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Diffstat (limited to 'kernel/drv/oss_usb/oss_usb.man')
| -rw-r--r-- | kernel/drv/oss_usb/oss_usb.man | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/kernel/drv/oss_usb/oss_usb.man b/kernel/drv/oss_usb/oss_usb.man new file mode 100644 index 0000000..556e4de --- /dev/null +++ b/kernel/drv/oss_usb/oss_usb.man @@ -0,0 +1,56 @@ +NAME + oss_usb - USB Audio/MIDI/Mixer driver + +DESCRIPTION + The Open Sound System driver for USB Audio and MIDI devices. + + AUDIO + The Audio driver supports: + + o 8-96Khz Playback/Recording + o 8 or 16 or 32 bits + o 2, 4, 6 or 8 channel audio. + o SPDIF digital output and Input + o AC3 passthrough + o Volume control and device input mixer + + MIDI +The oss_usb driver supports all MIDI devices that are compatible with the +official USB MIDI specification. In addition the driver supports few devices +that use their own private protocol (including some Yamaha and Midiman models). + + USB MIXER + The USB Audio mixer is a new type of mixer that doesn't have + the normal volume controls found on AC97 or Legacy SB devices. + The USB audio mixer provides control for selecting the Alternate + device setting - this usually allows the device to be switched + into a Professional audio mode (eg 24bit or 96Khz mode) + + ALTERNATIVE SETTINGS + Some USB audio devices use a feature called as alternative settings for + bandwidth management. Typically such devices have multiple high speed + inputs and outputs that may require more bandwidth than provided by the USB + bus. The alternative settings feature is used to select between multiple + low speed devices or just few high speed devices. + + When the device has multiple alternative settings an "altsetting" selector + will be visible in the control panel for the device (use ossmix(1) or + ossxmix(1) to change it). Alternative setting OFF means that all + audio devices are disabled. The other settings provide different combinations + of high/medium speed devices. You can use the ossinfo(1) command + (ossinfo -a -v3) to find out the devices supported by the currently selected + alternative settings and the capabilities of them. + +KNOWN BUGS + Under Linux it is necessary to run the ossdetect -d and ossdevlinks commands + after an USB device has been hot-plugged. Alternatively you can execute + soundoff and soundon to reload OSS. + +OPTIONS +None + +FILES +CONFIGFILEPATH/oss_usb.conf Device configuration file + +AUTHOR +4Front Technologies |