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
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.