Date: Fri, 08 Mar 1996 12:18:09 +1000 From: Stephen Hocking <sysseh@devetir.qld.gov.au> To: multimedia@freebsd.org Cc: hannu@voxware.pp.fi, Hannu.Savolainen@cctap.carel.fi Subject: Full duplex devices & the SB16 Message-ID: <199603080218.CAA24602@netfl15a.devetir.qld.gov.au>
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I've been having a bit of a think about this. As you know, it is possible (and I have some DOS code) to do full duplex audio with the SB16, with the 16bit channel in one direction and the 8bit in the other. This does not fit in with our model of the world (identical capabilities both ways) so what I was thinking of was converting the data to/from 16/bit when copying in/out to/from the user. For cards like the PAS16 we could also do something similar, with stereo<->mono conversion as well. I don't know about rate conversion where the different channels have different limits on the maximum sampling rate (such as the PAS16). I could swipe some code from the NAS server for this. Stephen -- I do not speak for the Worker's Compensation Board of Queensland - They don't pay me enough for that!
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