diff --git a/mindspore/ccsrc/minddata/dataset/CMakeLists.txt b/mindspore/ccsrc/minddata/dataset/CMakeLists.txt
index 6107952a89a..454d33ebb6d 100644
--- a/mindspore/ccsrc/minddata/dataset/CMakeLists.txt
+++ b/mindspore/ccsrc/minddata/dataset/CMakeLists.txt
@@ -93,6 +93,7 @@ add_dependencies(engine-gnn core)
 add_dependencies(engine core)
 add_dependencies(callback core)
 add_dependencies(audio-kernels core)
+add_dependencies(audio-ir core)
 add_dependencies(audio-ir-kernels core)
 add_dependencies(text core)
 add_dependencies(text-kernels core)
@@ -156,6 +157,7 @@ set(submodules
         $<TARGET_OBJECTS:engine-cache-client>
         $<TARGET_OBJECTS:engine>
         $<TARGET_OBJECTS:audio-kernels>
+        $<TARGET_OBJECTS:audio-ir>
         $<TARGET_OBJECTS:audio-ir-kernels>
         $<TARGET_OBJECTS:text>
         $<TARGET_OBJECTS:text-kernels>
diff --git a/mindspore/ccsrc/minddata/dataset/api/audio.cc b/mindspore/ccsrc/minddata/dataset/api/audio.cc
index 64a43bfaa2b..8cdf1d24869 100644
--- a/mindspore/ccsrc/minddata/dataset/api/audio.cc
+++ b/mindspore/ccsrc/minddata/dataset/api/audio.cc
@@ -17,6 +17,7 @@
 #include "minddata/dataset/include/dataset/audio.h"
 
 #include "minddata/dataset/audio/ir/kernels/allpass_biquad_ir.h"
+#include "minddata/dataset/audio/ir/kernels/amplitude_to_db_ir.h"
 #include "minddata/dataset/audio/ir/kernels/angle_ir.h"
 #include "minddata/dataset/audio/ir/kernels/band_biquad_ir.h"
 #include "minddata/dataset/audio/ir/kernels/bandpass_biquad_ir.h"
@@ -43,11 +44,27 @@ std::shared_ptr<TensorOperation> AllpassBiquad::Parse() {
   return std::make_shared<AllpassBiquadOperation>(data_->sample_rate_, data_->central_freq_, data_->Q_);
 }
 
+// AmplitudeToDB Operation.
+struct AmplitudeToDB::Data {
+  Data(ScaleType stype, float ref_value, float amin, float top_db)
+      : stype_(stype), ref_value_(ref_value), amin_(amin), top_db_(top_db) {}
+  ScaleType stype_;
+  float ref_value_;
+  float amin_;
+  float top_db_;
+};
+
+AmplitudeToDB::AmplitudeToDB(ScaleType stype, float ref_value, float amin, float top_db)
+    : data_(std::make_shared<Data>(stype, ref_value, amin, top_db)) {}
+
+std::shared_ptr<TensorOperation> AmplitudeToDB::Parse() {
+  return std::make_shared<AmplitudeToDBOperation>(data_->stype_, data_->ref_value_, data_->amin_, data_->top_db_);
+}
+
 // Angle Transform Operation.
 Angle::Angle() {}
 
 std::shared_ptr<TensorOperation> Angle::Parse() { return std::make_shared<AngleOperation>(); }
-
 // BandBiquad Transform Operation.
 struct BandBiquad::Data {
   Data(int32_t sample_rate, float central_freq, float Q, bool noise)
diff --git a/mindspore/ccsrc/minddata/dataset/api/python/bindings/dataset/audio/kernels/ir/bindings.cc b/mindspore/ccsrc/minddata/dataset/api/python/bindings/dataset/audio/kernels/ir/bindings.cc
index 6ad774d8cf9..07a2a16ae67 100644
--- a/mindspore/ccsrc/minddata/dataset/api/python/bindings/dataset/audio/kernels/ir/bindings.cc
+++ b/mindspore/ccsrc/minddata/dataset/api/python/bindings/dataset/audio/kernels/ir/bindings.cc
@@ -18,6 +18,7 @@
 #include "minddata/dataset/api/python/pybind_conversion.h"
 #include "minddata/dataset/api/python/pybind_register.h"
 #include "minddata/dataset/audio/ir/kernels/allpass_biquad_ir.h"
+#include "minddata/dataset/audio/ir/kernels/amplitude_to_db_ir.h"
 #include "minddata/dataset/audio/ir/kernels/angle_ir.h"
 #include "minddata/dataset/audio/ir/kernels/band_biquad_ir.h"
 #include "minddata/dataset/audio/ir/kernels/bandpass_biquad_ir.h"
@@ -39,6 +40,24 @@ PYBIND_REGISTER(
       }));
   }));
 
+PYBIND_REGISTER(
+  AmplitudeToDBOperation, 1, ([](const py::module *m) {
+    (void)py::class_<audio::AmplitudeToDBOperation, TensorOperation, std::shared_ptr<audio::AmplitudeToDBOperation>>(
+      *m, "AmplitudeToDBOperation")
+      .def(py::init([](ScaleType stype, float ref_value, float amin, float top_db) {
+        auto amplitude_to_db = std::make_shared<audio::AmplitudeToDBOperation>(stype, ref_value, amin, top_db);
+        THROW_IF_ERROR(amplitude_to_db->ValidateParams());
+        return amplitude_to_db;
+      }));
+  }));
+
+PYBIND_REGISTER(ScaleType, 0, ([](const py::module *m) {
+                  (void)py::enum_<ScaleType>(*m, "ScaleType", py::arithmetic())
+                    .value("DE_SCALETYPE_MAGNITUDE", ScaleType::kMagnitude)
+                    .value("DE_SCALETYPE_POWER", ScaleType::kPower)
+                    .export_values();
+                }));
+
 PYBIND_REGISTER(AngleOperation, 1, ([](const py::module *m) {
                   (void)py::class_<audio::AngleOperation, TensorOperation, std::shared_ptr<audio::AngleOperation>>(
                     *m, "AngleOperation")
diff --git a/mindspore/ccsrc/minddata/dataset/audio/ir/CMakeLists.txt b/mindspore/ccsrc/minddata/dataset/audio/ir/CMakeLists.txt
index ceebec399c9..f6f6040e52a 100644
--- a/mindspore/ccsrc/minddata/dataset/audio/ir/CMakeLists.txt
+++ b/mindspore/ccsrc/minddata/dataset/audio/ir/CMakeLists.txt
@@ -2,3 +2,5 @@ add_subdirectory(kernels)
 
 file(GLOB_RECURSE _CURRENT_SRC_FILES RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} "*.cc")
 set_property(SOURCE ${_CURRENT_SRC_FILES} PROPERTY COMPILE_DEFINITIONS SUBMODULE_ID=mindspore::SubModuleId::SM_MD)
+
+add_library(audio-ir OBJECT validators.cc)
diff --git a/mindspore/ccsrc/minddata/dataset/audio/ir/kernels/CMakeLists.txt b/mindspore/ccsrc/minddata/dataset/audio/ir/kernels/CMakeLists.txt
index 6ebf43fe92b..ebc87851bc2 100644
--- a/mindspore/ccsrc/minddata/dataset/audio/ir/kernels/CMakeLists.txt
+++ b/mindspore/ccsrc/minddata/dataset/audio/ir/kernels/CMakeLists.txt
@@ -3,6 +3,7 @@ set_property(SOURCE ${_CURRENT_SRC_FILES} PROPERTY COMPILE_DEFINITIONS SUBMODULE
 
 add_library(audio-ir-kernels OBJECT
         allpass_biquad_ir.cc
+        amplitude_to_db_ir.cc
         angle_ir.cc
         band_biquad_ir.cc
         bandpass_biquad_ir.cc
diff --git a/mindspore/ccsrc/minddata/dataset/audio/ir/kernels/amplitude_to_db_ir.cc b/mindspore/ccsrc/minddata/dataset/audio/ir/kernels/amplitude_to_db_ir.cc
new file mode 100644
index 00000000000..80412b1c437
--- /dev/null
+++ b/mindspore/ccsrc/minddata/dataset/audio/ir/kernels/amplitude_to_db_ir.cc
@@ -0,0 +1,58 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "minddata/dataset/audio/ir/kernels/amplitude_to_db_ir.h"
+#include "minddata/dataset/audio/kernels/amplitude_to_db_op.h"
+
+#include "minddata/dataset/audio/ir/validators.h"
+
+namespace mindspore {
+namespace dataset {
+namespace audio {
+
+// AmplitudeToDB
+AmplitudeToDBOperation::AmplitudeToDBOperation(ScaleType stype, float ref_value, float amin, float top_db)
+    : stype_(stype), ref_value_(ref_value), amin_(amin), top_db_(top_db) {}
+
+AmplitudeToDBOperation::~AmplitudeToDBOperation() = default;
+
+std::string AmplitudeToDBOperation::Name() const { return kAmplitudeToDBOperation; }
+
+Status AmplitudeToDBOperation::ValidateParams() {
+  RETURN_IF_NOT_OK(CheckFloatScalarNonNegative("AmplitudeToDB", "top_db", top_db_));
+  RETURN_IF_NOT_OK(CheckFloatScalarPositive("AmplitudeToDB", "amin", amin_));
+  RETURN_IF_NOT_OK(CheckFloatScalarPositive("AmplitudeToDB", "ref_value", ref_value_));
+
+  return Status::OK();
+}
+
+std::shared_ptr<TensorOp> AmplitudeToDBOperation::Build() {
+  std::shared_ptr<AmplitudeToDBOp> tensor_op = std::make_shared<AmplitudeToDBOp>(stype_, ref_value_, amin_, top_db_);
+  return tensor_op;
+}
+
+Status AmplitudeToDBOperation::to_json(nlohmann::json *out_json) {
+  nlohmann::json args;
+  args["stype"] = stype_;
+  args["ref_value"] = ref_value_;
+  args["amin"] = amin_;
+  args["top_db"] = top_db_;
+  *out_json = args;
+  return Status::OK();
+}
+}  // namespace audio
+}  // namespace dataset
+}  // namespace mindspore
diff --git a/mindspore/ccsrc/minddata/dataset/audio/ir/kernels/amplitude_to_db_ir.h b/mindspore/ccsrc/minddata/dataset/audio/ir/kernels/amplitude_to_db_ir.h
new file mode 100644
index 00000000000..18e080e76b7
--- /dev/null
+++ b/mindspore/ccsrc/minddata/dataset/audio/ir/kernels/amplitude_to_db_ir.h
@@ -0,0 +1,58 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MINDSPORE_CCSRC_MINDDATA_DATASET_AUDIO_IR_KERNELS_AMPLITUDE_TO_DB_IR_H_
+#define MINDSPORE_CCSRC_MINDDATA_DATASET_AUDIO_IR_KERNELS_AMPLITUDE_TO_DB_IR_H_
+
+#include <memory>
+#include <string>
+#include <vector>
+
+#include "include/api/status.h"
+#include "minddata/dataset/include/dataset/constants.h"
+#include "minddata/dataset/kernels/ir/tensor_operation.h"
+
+namespace mindspore {
+namespace dataset {
+namespace audio {
+
+constexpr char kAmplitudeToDBOperation[] = "AmplitudeToDB";
+
+class AmplitudeToDBOperation : public TensorOperation {
+ public:
+  AmplitudeToDBOperation(ScaleType stype, float ref_value, float amin, float top_db);
+
+  ~AmplitudeToDBOperation();
+
+  std::shared_ptr<TensorOp> Build() override;
+
+  Status ValidateParams() override;
+
+  std::string Name() const override;
+
+  Status to_json(nlohmann::json *out_json) override;
+
+ private:
+  ScaleType stype_;
+  float ref_value_;
+  float amin_;
+  float top_db_;
+};
+
+}  // namespace audio
+}  // namespace dataset
+}  // namespace mindspore
+#endif  // MINDSPORE_CCSRC_MINDDATA_DATASET_AUDIO_IR_KERNELS_AMPLITUDE_TO_DB_IR_H_
diff --git a/mindspore/ccsrc/minddata/dataset/audio/ir/validators.cc b/mindspore/ccsrc/minddata/dataset/audio/ir/validators.cc
new file mode 100644
index 00000000000..f1cdea91dc3
--- /dev/null
+++ b/mindspore/ccsrc/minddata/dataset/audio/ir/validators.cc
@@ -0,0 +1,82 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "minddata/dataset/audio/ir/validators.h"
+
+namespace mindspore {
+namespace dataset {
+/* ####################################### Validator Functions ############################################ */
+Status CheckFloatScalarPositive(const std::string &op_name, const std::string &scalar_name, float scalar) {
+  RETURN_IF_NOT_OK(CheckScalar(op_name, scalar_name, scalar, {0}, true));
+  return Status::OK();
+}
+
+Status CheckFloatScalarNonNegative(const std::string &op_name, const std::string &scalar_name, float scalar) {
+  RETURN_IF_NOT_OK(CheckScalar(op_name, scalar_name, scalar, {0}, false));
+  return Status::OK();
+}
+
+Status CheckStringScalarInList(const std::string &op_name, const std::string &scalar_name, const std::string &scalar,
+                               const std::vector<std::string> &str_vec) {
+  auto ret = std::find(str_vec.begin(), str_vec.end(), scalar);
+  if (ret == str_vec.end()) {
+    std::string interval_description = "[";
+    for (int m = 0; m < str_vec.size(); m++) {
+      std::string word = str_vec[m];
+      interval_description = interval_description + word;
+      if (m != str_vec.size() - 1) interval_description = interval_description + ", ";
+    }
+    interval_description = interval_description + "]";
+
+    std::string err_msg = op_name + ": " + scalar_name + " must be one of " + interval_description + ", got: " + scalar;
+    MS_LOG(ERROR) << err_msg;
+    return Status(StatusCode::kMDSyntaxError, __LINE__, __FILE__, err_msg);
+  }
+  return Status::OK();
+}
+
+template <typename T>
+Status CheckScalar(const std::string &op_name, const std::string &scalar_name, const T scalar,
+                   const std::vector<T> &range, bool left_open_interval, bool right_open_interval) {
+  if (range.empty() || range.size() > 2) {
+    std::string err_msg = "Range check expecting size 1 or 2, but got: " + std::to_string(range.size());
+    MS_LOG(ERROR) << err_msg;
+    return Status(StatusCode::kMDSyntaxError, __LINE__, __FILE__, err_msg);
+  }
+  if ((left_open_interval && scalar <= range[0]) || (!left_open_interval && scalar < range[0])) {
+    std::string interval_description = left_open_interval ? " greater than " : " greater than or equal to ";
+    std::string err_msg = op_name + ":" + scalar_name + " must be" + interval_description + std::to_string(range[0]) +
+                          ", got: " + std::to_string(scalar);
+    MS_LOG(ERROR) << err_msg;
+    return Status(StatusCode::kMDSyntaxError, __LINE__, __FILE__, err_msg);
+  }
+  if (range.size() == 2) {
+    if ((right_open_interval && scalar >= range[1]) || (!right_open_interval && scalar > range[1])) {
+      std::string left_bracket = left_open_interval ? "(" : "[";
+      std::string right_bracket = right_open_interval ? ")" : "]";
+      std::string err_msg = op_name + ":" + scalar_name + " is out of range " + left_bracket +
+                            std::to_string(range[0]) + ", " + std::to_string(range[1]) + right_bracket +
+                            ", got: " + std::to_string(scalar);
+      MS_LOG(ERROR) << err_msg;
+      return Status(StatusCode::kMDSyntaxError, __LINE__, __FILE__, err_msg);
+    }
+  }
+  return Status::OK();
+}
+template Status CheckScalar(const std::string &op_name, const std::string &scalar_name, const float scalar,
+                            const std::vector<float> &range, bool left_open_interval, bool right_open_interval);
+
+}  // namespace dataset
+}  // namespace mindspore
diff --git a/mindspore/ccsrc/minddata/dataset/audio/ir/validators.h b/mindspore/ccsrc/minddata/dataset/audio/ir/validators.h
index 837c3f0a0f4..d966bcee7fb 100644
--- a/mindspore/ccsrc/minddata/dataset/audio/ir/validators.h
+++ b/mindspore/ccsrc/minddata/dataset/audio/ir/validators.h
@@ -18,8 +18,13 @@
 #define MINDSPORE_CCSRC_MINDDATA_DATASET_AUDIO_IR_VALIDATORS_H_
 
 #include <string>
+#include <vector>
 #include "minddata/dataset/kernels/ir/validators.h"
 
+#include "minddata/dataset/core/tensor.h"
+#include "minddata/dataset/kernels/ir/tensor_operation.h"
+#include "minddata/dataset/util/status.h"
+
 namespace mindspore {
 namespace dataset {
 
@@ -34,6 +39,20 @@ Status CheckScalarNotZero(const std::string &op_name, const std::string &scalar_
   return Status::OK();
 }
 
+// Helper function to positive float scalar
+Status CheckFloatScalarPositive(const std::string &op_name, const std::string &scalar_name, float scalar);
+
+// Helper function to non-negative float scalar
+Status CheckFloatScalarNonNegative(const std::string &op_name, const std::string &scalar_name, float scalar);
+
+// Helper function to check string scalar
+Status CheckStringScalarInList(const std::string &op_name, const std::string &scalar_name, const std::string &scalar,
+                               const std::vector<std::string> &str_vec);
+
+// Helper function to validate scalar
+template <typename T>
+Status CheckScalar(const std::string &op_name, const std::string &scalar_name, const T scalar,
+                   const std::vector<T> &range, bool left_open_interval = false, bool right_open_interval = false);
 }  // namespace dataset
 }  // namespace mindspore
 #endif  // MINDSPORE_CCSRC_MINDDATA_DATASET_ADUIO_IR_VALIDATORS_H_
diff --git a/mindspore/ccsrc/minddata/dataset/audio/kernels/CMakeLists.txt b/mindspore/ccsrc/minddata/dataset/audio/kernels/CMakeLists.txt
index dc2b60ef11c..a14896118ac 100644
--- a/mindspore/ccsrc/minddata/dataset/audio/kernels/CMakeLists.txt
+++ b/mindspore/ccsrc/minddata/dataset/audio/kernels/CMakeLists.txt
@@ -3,7 +3,9 @@ set_property(SOURCE ${_CURRENT_SRC_FILES} PROPERTY COMPILE_DEFINITIONS SUBMODULE
 
 add_library(audio-kernels OBJECT
         allpass_biquad_op.cc
+        amplitude_to_db_op.cc
         angle_op.cc
+        audio_utils.cc
         band_biquad_op.cc
         bandpass_biquad_op.cc
         bandreject_biquad_op.cc
diff --git a/mindspore/ccsrc/minddata/dataset/audio/kernels/amplitude_to_db_op.cc b/mindspore/ccsrc/minddata/dataset/audio/kernels/amplitude_to_db_op.cc
new file mode 100644
index 00000000000..dbebec42d39
--- /dev/null
+++ b/mindspore/ccsrc/minddata/dataset/audio/kernels/amplitude_to_db_op.cc
@@ -0,0 +1,56 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <limits>
+
+#include "minddata/dataset/audio/kernels/amplitude_to_db_op.h"
+#include "minddata/dataset/audio/kernels/audio_utils.h"
+#include "minddata/dataset/kernels/data/data_utils.h"
+#include "minddata/dataset/util/status.h"
+
+namespace mindspore {
+namespace dataset {
+
+Status AmplitudeToDBOp::Compute(const std::shared_ptr<Tensor> &input, std::shared_ptr<Tensor> *output) {
+  IO_CHECK(input, output);
+  if (input->shape().Rank() < 2) {
+    std::string err_msg = "AmplitudeToDB: input tensor shape should be <..., freq, time>";
+    MS_LOG(ERROR) << err_msg;
+    RETURN_STATUS_SYNTAX_ERROR(err_msg);
+  }
+
+  std::shared_ptr<Tensor> input_tensor;
+
+  float top_db = top_db_;
+  float multiplier = stype_ == ScaleType::kPower ? 10.0 : 20.0;
+  float amin = 1e-10;
+  float db_multiplier = std::log10(std::max(amin_, ref_value_));
+
+  // typecast
+  CHECK_FAIL_RETURN_UNEXPECTED(input->type() != DataType::DE_STRING,
+                               "AmplitudeToDB: input type should be float, but got string.");
+  if (input->type() != DataType::DE_FLOAT64) {
+    CHECK_FAIL_RETURN_UNEXPECTED(TypeCast(input, &input_tensor, DataType(DataType::DE_FLOAT32)),
+                                 "AmplitudeToDB: input type should be float, but got " + input->type().ToString());
+    return AmplitudeToDB<float>(input_tensor, output, multiplier, amin, db_multiplier, top_db);
+
+  } else {
+    input_tensor = input;
+    return AmplitudeToDB<double>(input_tensor, output, multiplier, amin, db_multiplier, top_db);
+  }
+}
+
+}  // namespace dataset
+}  // namespace mindspore
diff --git a/mindspore/ccsrc/minddata/dataset/audio/kernels/amplitude_to_db_op.h b/mindspore/ccsrc/minddata/dataset/audio/kernels/amplitude_to_db_op.h
new file mode 100644
index 00000000000..bd84e888f9e
--- /dev/null
+++ b/mindspore/ccsrc/minddata/dataset/audio/kernels/amplitude_to_db_op.h
@@ -0,0 +1,51 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MINDSPORE_CCSRC_MINDDATA_DATASET_AUDIO_KERNELS_AMPLITUDE_TO_DB_OP_H_
+#define MINDSPORE_CCSRC_MINDDATA_DATASET_AUDIO_KERNELS_AMPLITUDE_TO_DB_OP_H_
+
+#include <algorithm>
+#include <memory>
+#include <string>
+#include <utility>
+#include <vector>
+
+#include "minddata/dataset/core/tensor.h"
+#include "minddata/dataset/include/dataset/constants.h"
+#include "minddata/dataset/kernels/tensor_op.h"
+
+namespace mindspore {
+namespace dataset {
+class AmplitudeToDBOp : public TensorOp {
+ public:
+  AmplitudeToDBOp(ScaleType stype, float ref_value, float amin, float top_db)
+      : stype_(stype), ref_value_(ref_value), amin_(amin), top_db_(top_db) {}
+
+  ~AmplitudeToDBOp() override = default;
+
+  Status Compute(const std::shared_ptr<Tensor> &input, std::shared_ptr<Tensor> *output) override;
+
+  std::string Name() const override { return kAmplitudeToDBOp; }
+
+ private:
+  ScaleType stype_;
+  float ref_value_;
+  float amin_;
+  float top_db_;
+};
+}  // namespace dataset
+}  // namespace mindspore
+#endif  // MINDSPORE_CCSRC_MINDDATA_DATASET_AUDIO_KERNELS_AMPLITUDE_TO_DB_OP_H_
diff --git a/mindspore/ccsrc/minddata/dataset/audio/kernels/audio_utils.cc b/mindspore/ccsrc/minddata/dataset/audio/kernels/audio_utils.cc
new file mode 100644
index 00000000000..6f23b475192
--- /dev/null
+++ b/mindspore/ccsrc/minddata/dataset/audio/kernels/audio_utils.cc
@@ -0,0 +1,65 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "minddata/dataset/audio/kernels/audio_utils.h"
+
+namespace mindspore {
+namespace dataset {
+
+template <typename T>
+Status AmplitudeToDB(const std::shared_ptr<Tensor> &input, std::shared_ptr<Tensor> *output, T multiplier, T amin,
+                     T db_multiplier, T top_db) {
+  TensorShape input_shape = input->shape();
+  TensorShape to_shape = input_shape.Rank() == 2
+                           ? TensorShape({1, 1, input_shape[-2], input_shape[-1]})
+                           : TensorShape({input->Size() / (input_shape[-3] * input_shape[-2] * input_shape[-1]),
+                                          input_shape[-3], input_shape[-2], input_shape[-1]});
+  RETURN_IF_NOT_OK(input->Reshape(to_shape));
+
+  std::vector<T> max_val;
+  int step = to_shape[-3] * input_shape[-2] * input_shape[-1];
+  int cnt = 0;
+  T temp_max = std::numeric_limits<T>::lowest();
+  for (auto itr = input->begin<T>(); itr != input->end<T>(); itr++) {
+    // do clamp
+    *itr = *itr < amin ? log10(amin) * multiplier : log10(*itr) * multiplier;
+    *itr -= multiplier * db_multiplier;
+    // calculate max by axis
+    cnt++;
+    if ((*itr) > temp_max) temp_max = *itr;
+    if (cnt % step == 0) {
+      max_val.push_back(temp_max);
+      temp_max = std::numeric_limits<T>::lowest();
+    }
+  }
+
+  if (!std::isnan(top_db)) {
+    int ind = 0;
+    for (auto itr = input->begin<T>(); itr != input->end<T>(); itr++, ind++) {
+      float lower_bound = max_val[ind / step] - top_db;
+      *itr = std::max((*itr), static_cast<T>(lower_bound));
+    }
+  }
+  RETURN_IF_NOT_OK(input->Reshape(input_shape));
+  *output = input;
+  return Status::OK();
+}
+template Status AmplitudeToDB<float>(const std::shared_ptr<Tensor> &input, std::shared_ptr<Tensor> *output,
+                                     float multiplier, float amin, float db_multiplier, float top_db);
+template Status AmplitudeToDB<double>(const std::shared_ptr<Tensor> &input, std::shared_ptr<Tensor> *output,
+                                      double multiplier, double amin, double db_multiplier, double top_db);
+}  // namespace dataset
+}  // namespace mindspore
diff --git a/mindspore/ccsrc/minddata/dataset/audio/kernels/audio_utils.h b/mindspore/ccsrc/minddata/dataset/audio/kernels/audio_utils.h
index d2dcd9ad938..755650d0a0c 100644
--- a/mindspore/ccsrc/minddata/dataset/audio/kernels/audio_utils.h
+++ b/mindspore/ccsrc/minddata/dataset/audio/kernels/audio_utils.h
@@ -17,8 +17,11 @@
 #ifndef MINDSPORE_CCSRC_MINDDATA_DATASET_AUDIO_KERNELS_AUDIO_UTILS_H_
 #define MINDSPORE_CCSRC_MINDDATA_DATASET_AUDIO_KERNELS_AUDIO_UTILS_H_
 
+#include <algorithm>
 #include <cmath>
+#include <limits>
 #include <memory>
+#include <string>
 #include <vector>
 
 #include "minddata/dataset/core/tensor.h"
@@ -28,6 +31,17 @@
 constexpr double PI = 3.141592653589793;
 namespace mindspore {
 namespace dataset {
+/// \brief Turn a tensor from the power/amplitude scale to the decibel scale.
+/// \param input/output: Tensor of shape <...,freq,time>
+/// \param multiplier: power - 10, amplitude - 20
+/// \param amin: lower bound
+/// \param db_multiplier: multiplier for decibels
+/// \param top_db: the lower bound for decibels cut-off
+/// \return Status code
+template <typename T>
+Status AmplitudeToDB(const std::shared_ptr<Tensor> &input, std::shared_ptr<Tensor> *output, T multiplier, T amin,
+                     T db_multiplier, T top_db);
+
 /// \brief Calculate the angles of the complex numbers
 /// \param input/output: Tensor of shape <...,time>
 template <typename T>
@@ -162,7 +176,6 @@ Status LFilter(const std::shared_ptr<Tensor> &input, std::shared_ptr<Tensor> *ou
   delete m_py;
   return Status::OK();
 }
-
 }  // namespace dataset
 }  // namespace mindspore
 #endif  // MINDSPORE_CCSRC_MINDDATA_DATASET_AUDIO_KERNELS_AUDIO_UTILS_H_
diff --git a/mindspore/ccsrc/minddata/dataset/include/dataset/audio.h b/mindspore/ccsrc/minddata/dataset/include/dataset/audio.h
index adceff4cff0..ded1501d851 100644
--- a/mindspore/ccsrc/minddata/dataset/include/dataset/audio.h
+++ b/mindspore/ccsrc/minddata/dataset/include/dataset/audio.h
@@ -17,6 +17,7 @@
 #ifndef MINDSPORE_CCSRC_MINDDATA_DATASET_INCLUDE_DATASET_AUDIO_H_
 #define MINDSPORE_CCSRC_MINDDATA_DATASET_INCLUDE_DATASET_AUDIO_H_
 
+#include <limits>
 #include <memory>
 #include <string>
 #include <utility>
@@ -92,6 +93,31 @@ class AllpassBiquad final : public TensorTransform {
   std::shared_ptr<Data> data_;
 };
 
+/// \brief AmplitudeToDB TensorTransform.
+/// \notes Turn a tensor from the power/amplitude scale to the decibel scale.
+class AmplitudeToDB final : public TensorTransform {
+ public:
+  /// \brief Constructor.
+  /// \param[in] stype ['kPower', 'kMagnitude']
+  /// \param[in] ref_value Calculate db_multiplier
+  /// \param[in] amin Clamp the input waveform
+  /// \param[in] top_db Decibels cut-off value
+  explicit AmplitudeToDB(ScaleType stype = ScaleType::kPower, float ref_value = 1.0, float amin = 1e-10,
+                         float top_db = 80.0);
+
+  /// \brief Destructor.
+  ~AmplitudeToDB() = default;
+
+ protected:
+  /// \brief Function to convert TensorTransform object into a TensorOperation object.
+  /// \return Shared pointer to TensorOperation object.
+  std::shared_ptr<TensorOperation> Parse() override;
+
+ private:
+  struct Data;
+  std::shared_ptr<Data> data_;
+};
+
 /// \brief Design two-pole band-pass filter.
 class BandpassBiquad final : public TensorTransform {
  public:
diff --git a/mindspore/ccsrc/minddata/dataset/include/dataset/constants.h b/mindspore/ccsrc/minddata/dataset/include/dataset/constants.h
index 851ca5637e2..7af6fb81267 100644
--- a/mindspore/ccsrc/minddata/dataset/include/dataset/constants.h
+++ b/mindspore/ccsrc/minddata/dataset/include/dataset/constants.h
@@ -49,6 +49,12 @@ enum class ShuffleMode {
   kInfile = 3   ///< Shuffle data within each file.
 };
 
+/// \brief Possible scale for input audio.
+enum class ScaleType {
+  kMagnitude = 0,  ///< Audio scale is magnitude.
+  kPower = 1,      ///< Audio scale is power.
+};
+
 /// \brief The method of padding.
 enum class BorderType {
   kConstant = 0,  ///< Fill the border with constant values.
diff --git a/mindspore/ccsrc/minddata/dataset/kernels/tensor_op.h b/mindspore/ccsrc/minddata/dataset/kernels/tensor_op.h
index b345994b0d0..dff6016880d 100644
--- a/mindspore/ccsrc/minddata/dataset/kernels/tensor_op.h
+++ b/mindspore/ccsrc/minddata/dataset/kernels/tensor_op.h
@@ -139,6 +139,7 @@ constexpr char kSentencepieceTokenizerOp[] = "SentencepieceTokenizerOp";
 
 // audio
 constexpr char kAllpassBiquadOp[] = "AllpassBiquadOp";
+constexpr char kAmplitudeToDBOp[] = "AmplitudeToDBOp";
 constexpr char kAngleOp[] = "AngleOp";
 constexpr char kBandBiquadOp[] = "BandBiquadOp";
 constexpr char kBandpassBiquadOp[] = "BandpassBiquadOp";
diff --git a/mindspore/dataset/audio/transforms.py b/mindspore/dataset/audio/transforms.py
index 88b9e760645..2589efe17bb 100644
--- a/mindspore/dataset/audio/transforms.py
+++ b/mindspore/dataset/audio/transforms.py
@@ -20,8 +20,9 @@ to improve their training models.
 import mindspore._c_dataengine as cde
 import numpy as np
 from ..transforms.c_transforms import TensorOperation
-from .validators import check_allpass_biquad, check_band_biquad, check_bandpass_biquad, check_bandreject_biquad, \
-    check_bass_biquad
+from .utils import ScaleType
+from .validators import check_allpass_biquad, check_amplitude_to_db, check_band_biquad, check_bandpass_biquad, \
+    check_bandreject_biquad, check_bass_biquad
 
 
 class AudioTensorOperation(TensorOperation):
@@ -74,6 +75,42 @@ class AllpassBiquad(AudioTensorOperation):
         return cde.AllpassBiquadOperation(self.sample_rate, self.central_freq, self.Q)
 
 
+DE_C_SCALETYPE_TYPE = {ScaleType.MAGNITUDE: cde.ScaleType.DE_SCALETYPE_MAGNITUDE,
+                       ScaleType.POWER: cde.ScaleType.DE_SCALETYPE_POWER}
+
+
+class AmplitudeToDB(AudioTensorOperation):
+    """
+    Converts the input tensor from amplitude/power scale to decibel scale.
+
+    Args:
+        stype (ScaleType, optional): Scale of the input tensor. (Default="ScaleType.POWER").
+        It can be any of [ScaleType.MAGNITUDE, ScaleType.POWER].
+        ref_value (float, optional): Param for generate db_multiplier.
+        amin (float, optional): Lower bound to clamp the input waveform.
+        top_db (float, optional): Minimum cut-off decibels. The range of values is non-negative. Commonly set at 80.
+            (Default=80.0)
+    Examples:
+        >>> channel = 1
+        >>> n_fft = 400
+        >>> n_frame = 30
+        >>> specrogram = np.random.random([channel, n_fft//2+1, n_frame])
+        >>> numpy_slices_dataset = ds.NumpySlicesDataset(data=specrogram, column_names=["audio"])
+        >>> transforms = [audio.AmplitudeToDB(stype=ScaleType.POWER)]
+        >>> numpy_slices_dataset = numpy_slices_dataset.map(operations=transforms, input_columns=["audio"])
+    """
+
+    @ check_amplitude_to_db
+    def __init__(self, stype=ScaleType.POWER, ref_value=1.0, amin=1e-10, top_db=80.0):
+        self.stype = stype
+        self.ref_value = ref_value
+        self.amin = amin
+        self.top_db = top_db
+
+    def parse(self):
+        return cde.AmplitudeToDBOperation(DE_C_SCALETYPE_TYPE[self.stype], self.ref_value, self.amin, self.top_db)
+
+
 class Angle(AudioTensorOperation):
     """
     Calculate the angle of the complex number sequence of shape (..., 2).
diff --git a/mindspore/dataset/audio/utils.py b/mindspore/dataset/audio/utils.py
new file mode 100644
index 00000000000..1bf00f2da0d
--- /dev/null
+++ b/mindspore/dataset/audio/utils.py
@@ -0,0 +1,23 @@
+# Copyright 2021 Huawei Technologies Co., Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""
+enum for audio ops
+"""
+from enum import Enum
+
+
+class ScaleType(str, Enum):
+    """Scale Type"""
+    POWER: str = "power"
+    MAGNITUDE: str = "magnitude"
diff --git a/mindspore/dataset/audio/validators.py b/mindspore/dataset/audio/validators.py
index f70a465dc14..42dc5d88511 100644
--- a/mindspore/dataset/audio/validators.py
+++ b/mindspore/dataset/audio/validators.py
@@ -16,8 +16,41 @@
 Validators for TensorOps.
 """
 from functools import wraps
+from mindspore.dataset.core.validator_helpers import check_not_zero, check_int32, check_float32, \
+    check_value_normalize_std, check_value_ratio, FLOAT_MAX_INTEGER, parse_user_args, type_check
+from .utils import ScaleType
 
-from mindspore.dataset.core.validator_helpers import check_not_zero, check_int32, check_float32, check_value_normalize_std, parse_user_args, type_check
+
+def check_amplitude_to_db(method):
+    """Wrapper method to check the parameters of amplitude_to_db."""
+
+    @wraps(method)
+    def new_method(self, *args, **kwargs):
+        [stype, ref_value, amin, top_db], _ = parse_user_args(method, *args, **kwargs)
+
+        # type check stype
+        type_check(stype, (ScaleType,), "stype")
+
+        # type check ref_value
+        type_check(ref_value, (int, float), "ref_value")
+        # value check ref_value
+        if not ref_value is None:
+            check_value_ratio(ref_value, (0, FLOAT_MAX_INTEGER), "ref_value")
+
+        # type check amin
+        type_check(amin, (int, float), "amin")
+        # value check amin
+        if not amin is None:
+            check_value_ratio(amin, (0, FLOAT_MAX_INTEGER), "amin")
+
+        # type check top_db
+        type_check(top_db, (int, float), "top_db")
+        # value check top_db
+        if not top_db is None:
+            check_value_ratio(top_db, (0, FLOAT_MAX_INTEGER), "top_db")
+
+        return method(self, *args, **kwargs)
+    return new_method
 
 
 def check_biquad_sample_rate(sample_rate):
diff --git a/tests/ut/cpp/dataset/c_api_audio_a_to_q_test.cc b/tests/ut/cpp/dataset/c_api_audio_a_to_q_test.cc
index 2a265455da6..089029ffd13 100644
--- a/tests/ut/cpp/dataset/c_api_audio_a_to_q_test.cc
+++ b/tests/ut/cpp/dataset/c_api_audio_a_to_q_test.cc
@@ -30,6 +30,65 @@ class MindDataTestPipeline : public UT::DatasetOpTesting {
  protected:
 };
 
+TEST_F(MindDataTestPipeline, TestAmplitudeToDBPipeline) {
+  MS_LOG(INFO) << "Basic Function Test";
+  // Original waveform
+  std::shared_ptr<SchemaObj> schema = Schema();
+  ASSERT_OK(schema->add_column("inputData", mindspore::DataType::kNumberTypeFloat32, {2, 200}));
+  std::shared_ptr<Dataset> ds = RandomData(50, schema);
+  EXPECT_NE(ds, nullptr);
+
+  ds = ds->SetNumWorkers(4);
+  EXPECT_NE(ds, nullptr);
+
+  auto amplitude_to_db_op = audio::AmplitudeToDB();
+
+  ds = ds->Map({amplitude_to_db_op});
+  EXPECT_NE(ds, nullptr);
+
+  std::shared_ptr<Iterator> iter = ds->CreateIterator();
+  EXPECT_NE(ds, nullptr);
+
+  std::unordered_map<std::string, mindspore::MSTensor> row;
+  ASSERT_OK(iter->GetNextRow(&row));
+
+  std::vector<int64_t> expected = {2, 200};
+
+  int i = 0;
+  while (row.size() != 0) {
+    auto col = row["inputData"];
+    ASSERT_EQ(col.Shape(), expected);
+    ASSERT_EQ(col.Shape().size(), 2);
+    ASSERT_EQ(col.DataType(), mindspore::DataType::kNumberTypeFloat32);
+    ASSERT_OK(iter->GetNextRow(&row));
+    i++;
+  }
+  EXPECT_EQ(i, 50);
+
+  iter->Stop();
+}
+
+TEST_F(MindDataTestPipeline, TestAmplitudeToDBWrongArgs) {
+  MS_LOG(INFO) << "Basic Function Test";
+  // Original waveform
+  std::shared_ptr<SchemaObj> schema = Schema();
+  ASSERT_OK(schema->add_column("inputData", mindspore::DataType::kNumberTypeFloat32, {2, 200}));
+  std::shared_ptr<Dataset> ds = RandomData(50, schema);
+  EXPECT_NE(ds, nullptr);
+
+  ds = ds->SetNumWorkers(4);
+  EXPECT_NE(ds, nullptr);
+
+  auto amplitude_to_db_op = audio::AmplitudeToDB(ScaleType::kPower, 1.0, -1e-10, 80.0);
+
+  ds = ds->Map({amplitude_to_db_op});
+  EXPECT_NE(ds, nullptr);
+
+  std::shared_ptr<Iterator> iter = ds->CreateIterator();
+  // Expect failure
+  EXPECT_EQ(iter, nullptr);
+}
+
 TEST_F(MindDataTestPipeline, Level0_TestBandBiquad001) {
   MS_LOG(INFO) << "Basic Function Test";
   // Original waveform
@@ -313,7 +372,7 @@ TEST_F(MindDataTestPipeline, Level0_TestBassBiquad001) {
   ds = ds->SetNumWorkers(4);
   EXPECT_NE(ds, nullptr);
 
-  auto BassBiquadOp = audio::BassBiquad(44100,50,200.0);
+  auto BassBiquadOp = audio::BassBiquad(44100, 50, 200.0);
 
   ds = ds->Map({BassBiquadOp});
   EXPECT_NE(ds, nullptr);
@@ -353,7 +412,7 @@ TEST_F(MindDataTestPipeline, Level0_TestBassBiquad002) {
 
   // Check sample_rate
   MS_LOG(INFO) << "sample_rate is zero.";
-  auto bass_biquad_op_01 = audio::BassBiquad(0,50,200.0);
+  auto bass_biquad_op_01 = audio::BassBiquad(0, 50, 200.0);
   ds01 = ds->Map({bass_biquad_op_01});
   EXPECT_NE(ds01, nullptr);
 
@@ -362,7 +421,7 @@ TEST_F(MindDataTestPipeline, Level0_TestBassBiquad002) {
 
   // Check Q_
   MS_LOG(INFO) << "Q_ is zero.";
-  auto bass_biquad_op_02 = audio::BassBiquad(44100,50,200.0,0);
+  auto bass_biquad_op_02 = audio::BassBiquad(44100, 50, 200.0, 0);
   ds02 = ds->Map({bass_biquad_op_02});
   EXPECT_NE(ds02, nullptr);
 
diff --git a/tests/ut/cpp/dataset/execute_test.cc b/tests/ut/cpp/dataset/execute_test.cc
index df63d30d05d..e98c8cd989f 100644
--- a/tests/ut/cpp/dataset/execute_test.cc
+++ b/tests/ut/cpp/dataset/execute_test.cc
@@ -20,6 +20,7 @@
 #include "minddata/dataset/include/dataset/execute.h"
 #include "minddata/dataset/include/dataset/transforms.h"
 #include "minddata/dataset/include/dataset/vision.h"
+#include "minddata/dataset/include/dataset/audio.h"
 #include "minddata/dataset/include/dataset/text.h"
 #include "utils/log_adapter.h"
 
@@ -99,6 +100,65 @@ TEST_F(MindDataTestExecute, TestAdjustGammaEager2) {
   EXPECT_EQ(rc, Status::OK());
 }
 
+TEST_F(MindDataTestExecute, TestAmplitudeToDB) {
+  MS_LOG(INFO) << "Basic Function Test With Eager.";
+  // Original waveform
+  std::vector<float> labels = {
+    2.716064453125000000e-03, 6.347656250000000000e-03, 9.246826171875000000e-03, 1.089477539062500000e-02,
+    1.138305664062500000e-02, 1.156616210937500000e-02, 1.394653320312500000e-02, 1.550292968750000000e-02,
+    1.614379882812500000e-02, 1.840209960937500000e-02, 1.718139648437500000e-02, 1.599121093750000000e-02,
+    1.647949218750000000e-02, 1.510620117187500000e-02, 1.385498046875000000e-02, 1.345825195312500000e-02,
+    1.419067382812500000e-02, 1.284790039062500000e-02, 1.052856445312500000e-02, 9.368896484375000000e-03,
+    1.419067382812500000e-02, 1.284790039062500000e-02, 1.052856445312500000e-02, 9.368896484375000000e-03};
+  std::shared_ptr<Tensor> input;
+  ASSERT_OK(Tensor::CreateFromVector(labels, TensorShape({2, 2, 2, 3}), &input));
+  auto input_ms = mindspore::MSTensor(std::make_shared<mindspore::dataset::DETensor>(input));
+  std::shared_ptr<TensorTransform> amplitude_to_db_op = std::make_shared<audio::AmplitudeToDB>();
+  // apply amplitude_to_db
+  mindspore::dataset::Execute trans({amplitude_to_db_op});
+  Status status = trans(input_ms, &input_ms);
+  EXPECT_TRUE(status.IsOk());
+}
+
+TEST_F(MindDataTestExecute, TestAmplitudeToDBWrongArgs) {
+  MS_LOG(INFO) << "Wrong Arg.";
+  // Original waveform
+  std::vector<float> labels = {
+    2.716064453125000000e-03, 6.347656250000000000e-03, 9.246826171875000000e-03, 1.089477539062500000e-02,
+    1.138305664062500000e-02, 1.156616210937500000e-02, 1.394653320312500000e-02, 1.550292968750000000e-02,
+    1.614379882812500000e-02, 1.840209960937500000e-02, 1.718139648437500000e-02, 1.599121093750000000e-02,
+    1.647949218750000000e-02, 1.510620117187500000e-02, 1.385498046875000000e-02, 1.345825195312500000e-02,
+    1.419067382812500000e-02, 1.284790039062500000e-02, 1.052856445312500000e-02, 9.368896484375000000e-03};
+  std::shared_ptr<Tensor> input;
+  ASSERT_OK(Tensor::CreateFromVector(labels, TensorShape({2, 10}), &input));
+  auto input_ms = mindspore::MSTensor(std::make_shared<mindspore::dataset::DETensor>(input));
+  std::shared_ptr<TensorTransform> amplitude_to_db_op =
+    std::make_shared<audio::AmplitudeToDB>(ScaleType::kPower, 1.0, -1e-10, 80.0);
+  // apply amplitude_to_db
+  mindspore::dataset::Execute trans({amplitude_to_db_op});
+  Status status = trans(input_ms, &input_ms);
+  EXPECT_FALSE(status.IsOk());
+}
+
+TEST_F(MindDataTestExecute, TestAmplitudeToDBWrongInput) {
+  MS_LOG(INFO) << "Wrong Input.";
+  // Original waveform
+  std::vector<float> labels = {
+    2.716064453125000000e-03, 6.347656250000000000e-03, 9.246826171875000000e-03, 1.089477539062500000e-02,
+    1.138305664062500000e-02, 1.156616210937500000e-02, 1.394653320312500000e-02, 1.550292968750000000e-02,
+    1.614379882812500000e-02, 1.840209960937500000e-02, 1.718139648437500000e-02, 1.599121093750000000e-02,
+    1.647949218750000000e-02, 1.510620117187500000e-02, 1.385498046875000000e-02, 1.345825195312500000e-02,
+    1.419067382812500000e-02, 1.284790039062500000e-02, 1.052856445312500000e-02, 9.368896484375000000e-03};
+  std::shared_ptr<Tensor> input;
+  ASSERT_OK(Tensor::CreateFromVector(labels, TensorShape({20}), &input));
+  auto input_ms = mindspore::MSTensor(std::make_shared<mindspore::dataset::DETensor>(input));
+  std::shared_ptr<TensorTransform> amplitude_to_db_op = std::make_shared<audio::AmplitudeToDB>();
+  // apply amplitude_to_db
+  mindspore::dataset::Execute trans({amplitude_to_db_op});
+  Status status = trans(input_ms, &input_ms);
+  EXPECT_FALSE(status.IsOk());
+}
+
 TEST_F(MindDataTestExecute, TestComposeTransforms) {
   MS_LOG(INFO) << "Doing TestComposeTransforms.";
 
diff --git a/tests/ut/python/dataset/test_amplitude_to_db.py b/tests/ut/python/dataset/test_amplitude_to_db.py
new file mode 100644
index 00000000000..448b8b09ef4
--- /dev/null
+++ b/tests/ut/python/dataset/test_amplitude_to_db.py
@@ -0,0 +1,137 @@
+# Copyright 2021 Huawei Technologies Co., Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ==============================================================================
+"""
+Testing AmplitudeToDB op in DE
+"""
+import numpy as np
+import pytest
+
+import mindspore.dataset as ds
+import mindspore.dataset.audio.transforms as c_audio
+from mindspore import log as logger
+from mindspore.dataset.audio.utils import ScaleType
+
+
+CHANNEL = 1
+FREQ = 20
+TIME = 15
+
+
+def gen(shape):
+    np.random.seed(0)
+    data = np.random.random(shape)
+    yield(np.array(data, dtype=np.float32),)
+
+
+def _count_unequal_element(data_expected, data_me, rtol, atol):
+    """ Precision calculation func """
+    assert data_expected.shape == data_me.shape
+    total_count = len(data_expected.flatten())
+    error = np.abs(data_expected - data_me)
+    greater = np.greater(error, atol + np.abs(data_expected) * rtol)
+    loss_count = np.count_nonzero(greater)
+    assert (loss_count / total_count) < rtol, \
+        "\ndata_expected_std:{0}\ndata_me_error:{1}\nloss:{2}". \
+        format(data_expected[greater], data_me[greater], error[greater])
+
+
+def allclose_nparray(data_expected, data_me, rtol, atol, equal_nan=True):
+    """ Precision calculation formula  """
+    if np.any(np.isnan(data_expected)):
+        assert np.allclose(data_me, data_expected, rtol, atol, equal_nan=equal_nan)
+    elif not np.allclose(data_me, data_expected, rtol, atol, equal_nan=equal_nan):
+        _count_unequal_element(data_expected, data_me, rtol, atol)
+    else:
+        assert True
+
+
+def test_func_amplitude_to_db_eager():
+    """ mindspore eager mode normal testcase:amplitude_to_db op"""
+
+    logger.info("check amplitude_to_db op output")
+    ndarr_in = np.array([[[[-0.2197528, 0.3821656]]],
+                         [[[0.57418776, 0.46741104]]],
+                         [[[-0.20381108, -0.9303914]]],
+                         [[[0.3693608, -0.2017813]]],
+                         [[[-1.727381, -1.3708513]]],
+                         [[[1.259975, 0.4981323]]],
+                         [[[0.76986176, -0.5793846]]]]).astype(np.float32)
+    # cal from benchmark
+    out_expect = np.array([[[[-84.17748, -4.177484]]],
+                           [[[-2.4094608, -3.3030105]]],
+                           [[[-100., -100.]]],
+                           [[[-4.325492, -84.32549]]],
+                           [[[-100., -100.]]],
+                           [[[1.0036192, -3.0265532]]],
+                           [[[-1.1358725, -81.13587]]]]).astype(np.float32)
+
+    amplitude_to_db_op = c_audio.AmplitudeToDB()
+    out_mindspore = amplitude_to_db_op(ndarr_in)
+
+    allclose_nparray(out_mindspore, out_expect, 0.0001, 0.0001)
+
+
+def test_func_amplitude_to_db_pipeline():
+    """ mindspore pipeline mode normal testcase:amplitude_to_db op"""
+
+    logger.info("test AmplitudeToDB op with default value")
+    generator = gen([CHANNEL, FREQ, TIME])
+
+    data1 = ds.GeneratorDataset(source=generator, column_names=["multi_dimensional_data"])
+
+    transforms = [
+        c_audio.AmplitudeToDB()
+    ]
+    data1 = data1.map(operations=transforms, input_columns=["multi_dimensional_data"])
+
+    for item in data1.create_dict_iterator(num_epochs=1, output_numpy=True):
+        out_put = item["multi_dimensional_data"]
+    assert out_put.shape == (CHANNEL, FREQ, TIME)
+
+
+def test_amplitude_to_db_invalid_input():
+
+    def test_invalid_input(test_name, stype, ref_value, amin, top_db, error, error_msg):
+        logger.info("Test AmplitudeToDB with bad input: {0}".format(test_name))
+        with pytest.raises(error) as error_info:
+            c_audio.AmplitudeToDB(stype=stype, ref_value=ref_value, amin=amin, top_db=top_db)
+        assert error_msg in str(error_info.value)
+
+    test_invalid_input("invalid stype parameter value", "test", 1.0, 1e-10, 80.0, TypeError,
+                       "Argument stype with value test is not of type [<enum 'ScaleType'>], but got <class 'str'>.")
+    test_invalid_input("invalid ref_value parameter value", ScaleType.POWER, -1.0, 1e-10, 80.0, ValueError,
+                       "Input ref_value is not within the required interval of (0, 16777216]")
+    test_invalid_input("invalid amin parameter value", ScaleType.POWER, 1.0, -1e-10, 80.0, ValueError,
+                       "Input amin is not within the required interval of (0, 16777216]")
+    test_invalid_input("invalid top_db parameter value", ScaleType.POWER, 1.0, 1e-10, -80.0, ValueError,
+                       "Input top_db is not within the required interval of (0, 16777216]")
+
+    test_invalid_input("invalid stype parameter value", True, 1.0, 1e-10, 80.0, TypeError,
+                       "Argument stype with value True is not of type [<enum 'ScaleType'>], but got <class 'bool'>.")
+    test_invalid_input("invalid ref_value parameter value", ScaleType.POWER, "value", 1e-10, 80.0, TypeError,
+                       "Argument ref_value with value value is not of type [<class 'int'>, <class 'float'>], " +
+                       "but got <class 'str'>")
+    test_invalid_input("invalid amin parameter value", ScaleType.POWER, 1.0, "value", -80.0, TypeError,
+                       "Argument amin with value value is not of type [<class 'int'>, <class 'float'>], " +
+                       "but got <class 'str'>")
+    test_invalid_input("invalid top_db parameter value", ScaleType.POWER, 1.0, 1e-10, "value", TypeError,
+                       "Argument top_db with value value is not of type [<class 'int'>, <class 'float'>], " +
+                       "but got <class 'str'>")
+
+
+if __name__ == "__main__":
+    test_func_amplitude_to_db_eager()
+    test_func_amplitude_to_db_pipeline()
+    test_amplitude_to_db_invalid_input()