table of contents
- unstable 4.2-build2017-2
oss_cmi878x(7) | OSS Devices | oss_cmi878x(7) |
NAME¶
oss_cmi878x - CMedia CMI8788 audio driver.
DESCRIPTION¶
Open Sound System driver for CMedia Electronics CMI8788 audio
CMI87xx device characteristics:
- 8/16/24/32 bit playback/record
- mono/stereo/4ch/5.1/7.1 playback
- 8KHz to 192Khz sample rate.
The CMedia 8788 device provides 3 types of devices. The first devices is a Multichannel full duplex device. The second device provides Front Panel audio access and the SPDIF device provide SPDIF (Digital) audio I/O.
MIXER PANEL¶
The CMedia chip provides some unique features that are set up by the Mixer chip. There are 3 mixer devices presented to the user.
Main Mixer Panel (/dev/mixer0)
- Master Mixer panel is for controlling output volumes for each of the 8 channels.
- Monitor buttons will allow you to monitor the input from the Rear Panel inputs, Front Panel Inputs and SPDIF IN.
- Speaker-Spread function duplicates the front channel output on all 8 speakers.
- SPDIF Loopback simply takes SPDIF Input and Plays it out the SPDIF Output. panel.
OPTIONS¶
None
FILES¶
/etc/oss4/conf/oss_cmi878x.conf Device configuration file
AUTHOR¶
4Front Technologies
31 January 2016 |