Date: Tue, 19 Sep 2000 22:05:36 +0100 From: "Cameron Grant" <gandalf@vilnya.demon.co.uk> To: "FUJISHIMA Satsuki" <k5@cheerful.com>, <gwk@sgi.com> Cc: <freebsd-multimedia@freebsd.org> Subject: Re: SB16: recording 8 bit ok, 16 bit recording just gives noise Message-ID: <008a01c0227d$5e175e20$0504020a@haveblue> References: <39C54B37.A229A4F@sgi.com><39C62553.B79294A7@mitre.org> <86d7i0f992.wl@cheerful.com>
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> I suspect newpcm is broken for this card.
it seems so; i will investigate soon.
> At Mon, 18 Sep 2000 10:23:15 -0400,
> Andresen,Jason R. <jandrese@mitre.org> wrote:
> > These early ISA Soundblaster cards have a bug that prevents you from
> > playing and recording at 16 bits. If you are playing a sound, you are
> > limited to recording at 8 bits. (1 1/2 duplex card).
>
> So I believe this is not the case.
the sb16 has an 8 bit channel and a 16 bit channel. both can be used for
play OR record, but only one in each direction at a time. the driver
allocates the 16 bit channel to the first operation, but it seems this is
not functioning right.
-cg
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