chan
Channel to be updated
reset
Boolean. If non-zero, channel will be reset to 8-bit mono mode.
Stores the settings of the current PCM format,
8-bit or 16-bit, and mono/stereo, into the
hardware settings for the specified channel.
If reset
is non-zero, the channel is reset
to 8-bit mono mode. Otherwise, the channel
is set to the values stored in the channel
information struct chan
.