61 lines
1.7 KiB
Groff
61 lines
1.7 KiB
Groff
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." Automatically generated text
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.TH 7 "August 31, 2006" "OSS" "OSS Devices"
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.SH NAME
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oss_cmi878x - CMedia CMI8788 audio driver.
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.SH DESCRIPTION
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Open Sound System driver for CMedia Electronics CMI8788 audio
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CMI87xx device characteristics:
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o 8/16/24/32 bit playback/record
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o mono/stereo/4ch/5.1/7.1 playback
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o 8KHz to 192Khz sample rate.
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The CMedia 8788 device provides 3 types of devices. The first devices is
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a Multichannel full duplex device. The second device provides Front Panel
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audio access and the SPDIF device provide SPDIF (Digital) audio I/O.
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.SH MIXER PANEL
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The CMedia chip provides some unique features that are set up
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by the Mixer chip. There are 3 mixer devices presented to the user.
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Main Mixer Panel (/dev/mixer0)
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.IP \(bu 3
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Master Mixer panel is for controlling output volumes for each of the 8
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channels.
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.IP \(bu 3
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Monitor buttons will allow you to monitor the input from the Rear Panel
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inputs, Front Panel Inputs and SPDIF IN.
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.IP \(bu 3
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Speaker-Spread function duplicates the front channel output on all 8
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speakers.
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.IP \(bu 3
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SPDIF Loopback simply takes SPDIF Input and Plays it out the SPDIF Output.
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panel.
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AC97 Input Mixer Panel (/dev/mixer1)
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This mixer panel is used to switch between the various inputs like line-in,
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mic, cd. When the Rear Panel Monitor button is check marked in the Main
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mixer panel, the IGAIN slider in this panel controls the level of the input
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that can be hear on the speakers.
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AC97 Front Panel Mixer (/dev/mixer2)
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This mixer controls the front panel ac97 device. It can be used to control
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all the volumes and inputs as well as SPDIF output on the front panel device.
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.SH OPTIONS
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None
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.SH FILES
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/usr/lib/oss/conf/oss_cmi878x.conf Device configuration file
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.SH AUTHOR
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4Front Technologies
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