From: Clemens Ladisch <clemens@ladisch.de>
To: arun kumar <arun.esd@gmail.com>
Cc: alsa-devel@alsa-project.org
Subject: Re: PCM substream
Date: Thu, 09 Aug 2012 14:49:07 +0200 [thread overview]
Message-ID: <5023B1C3.40001@ladisch.de> (raw)
In-Reply-To: <CABnBtVDJQ_0nTLwfFrbMN1w16z7upNY3=ui1Oi1mZJmaHztiGQ@mail.gmail.com>
arun kumar wrote:
> From the last couple of days, I have been trying to understand the Linux
> Alsa Subsystem.I have read the Alsa Driver API and Application API's. But I
> could not understand the concept of PCM substreams,
A PCM stream has one or more substreams. Multiple substreams are used when
the hardware can mix them together for one output. This was used in old
wavetable sound cards; nowadays, you almost always have one substream.
Regards,
Clemens
next prev parent reply other threads:[~2012-08-09 12:19 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CABnBtVCEP0z_2_1NaPyvMpq1C=6CM9fPcM=6znpjGMZaT8STNQ@mail.gmail.com>
2012-08-07 9:16 ` PCM substream arun kumar
2012-08-09 12:49 ` Clemens Ladisch [this message]
2012-08-10 4:46 ` arun kumar
2012-08-10 6:45 ` Clemens Ladisch
2012-08-10 6:00 ` Raymond Yau
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