sv man page on OpenBSD

sv man page on OpenBSD

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

NAME
     sv - S3 SonicVibes audio device

SYNOPSIS
     sv* at pci?
     audio* at sv?

DESCRIPTION
     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
     following command:

	   $ mixerctl outputs.spatial=off

SEE ALSO
     audio(4), intro(4), pci(4)

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

BUGS
     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.

OpenBSD 4.9		       November 2, 2009			   OpenBSD 4.9

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