MirOS Manual: sv(4)

SV(4)                      BSD Programmer's Manual                       SV(4)


     sv - S3 SonicVibes audio device driver


     sv* at pci? dev ? function ?
     audio* at sv?


     The sv driver provides support for S3 SonicVibes (S3-617) chipset-based
     cards. Disabling the SRS 3-D spatial feature of the chip is recommended
     for higher quality audio. This can be done in software by issuing the

           mixerctl -w outputs.spatial=off



     audio(4), intro(4), pci(4)


     This driver is based on the eap(4) driver by Lennart Augustsson. The sv
     device driver appeared in OpenBSD 2.6.


     The "FM" DAC, wavetable synth, and MIDI port are not supported. Recording
     at a rate different from playback is supported by the chip but not the
     driver. The mixer does not allow control of reverb, digital loopback, or
     3-D SRS features. The chip does not support exact record speeds (it
     seems) of 11025hz, 22050hz, and so on, used by Windows audio. Usually,
     the actual record is rate is around +/- 50hz of the specified.

MirOS BSD #10-current           July 13, 1998                                1

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