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[ALSA] Fixes typos in Audiophile-USB.txt 

Modules: Documentation

Fixes typos in Audiophile-USB.txt.

Signed-off-by: Thibault LE MEUR <Thibault.LeMeur@supelec.fr>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Thibault LE MEUR 2006-03-21 11:06:40 +01:00 committed by Jaroslav Kysela
parent 01a00e5e42
commit 19739fef02
1 changed files with 16 additions and 13 deletions
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29
Documentation/sound/alsa/Audiophile-Usb.txt
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@ -1,4 +1,4 @@
Guide to using M-Audio Audiophile USB with ALSA and Jack v1.1
Guide to using M-Audio Audiophile USB with ALSA and Jack v1.2
========================================================
Thibault Le Meur <Thibault.LeMeur@supelec.fr>
@ -13,6 +13,9 @@ of the device.
The device has 4 audio interfaces, and 2 MIDI ports:
* Analog Stereo Input (Ai)
- This port supports 2 pairs of line-level audio inputs (1/4" TS and RCA)
- When the 1/4" TS (jack) connectors are connected, the RCA connectors
are disabled
* Analog Stereo Output (Ao)
* Digital Stereo Input (Di)
* Digital Stereo Output (Do)
@ -42,7 +45,7 @@ Important facts about the Digital interface:
though I haven't tested it under linux
- Note that in this setup only the Do interface can be enabled
* Apart from recording an audio digital stream, enabling the Di port is a way
to syncrhonize the device to an external sample clock
to synchronize the device to an external sample clock
- As a consequence, the Di port must be enable only if an active Digital
source is connected
- Enabling Di when no digital source is connected can result in a
@ -180,7 +183,7 @@ IMPORTANT NOTE WHEN SWITCHING CONFIGURATION:
or changing modprobe.conf)
- turn on the device
2.2.2.3 - Setting and switching configurations with the device_setup parameter
2.2.2.3 - Audiophile USB's device_setup structure
If you want to understand the device_setup magic numbers for the Audiophile
USB, you need some very basic understanding of binary computation. However,
@ -226,7 +229,7 @@ Caution:
- choosing b2 will prepare all interfaces for 24bits/96kHz but you'll
only be able to use one at the same time
2.2.3 - Technical Details for Audiophile Usb
2.2.3 - USB implementation details for this device
You may safely skip this section if you're not interrested in driver
development.
@ -234,20 +237,20 @@ development.
This section describes some internals aspect of the device and summarize the
data I got by usb-snooping the windows and linux drivers.
The M-Audio Audiophile USB has 7 Usb Interfaces:
The M-Audio Audiophile USB has 7 USB Interfaces:
a "USB interface":
* Usb Interface nb.0
* Usb Interface nb.1
* USB Interface nb.0
* USB Interface nb.1
- Audio Control function
* Usb Interface nb.2
* USB Interface nb.2
- Analog Output
* Usb Interface nb.3
* USB Interface nb.3
- Digital Output
* Usb Interface nb.4
* USB Interface nb.4
- Analog Input
* Usb Interface nb.5
* USB Interface nb.5
- Digital Input
* Usb Interface nb.6
* USB Interface nb.6
- MIDI interface compliant with the MIDIMAN quirk
Each interface has 5 altsettings (AltSet 1,2,3,4,5) except:
@ -326,5 +329,5 @@ atid=425939
After having applied the patch you can run jackd with the following command
line:
# /usr/local/bin/jackd -R -dalsa -Phw:1,0 -r48000 -p128 -n2 -D -Chw:1,1
% jackd -R -dalsa -Phw:1,0 -r48000 -p128 -n2 -D -Chw:1,1