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