From: bugtrack@alsa-project.org
To: alsa-devel@alsa-project.org
Subject: [ALSA - driver 0000813]: Terratec USB surround broken
Date: Wed, 23 Feb 2005 22:29:04 +0100 [thread overview]
Message-ID: <3453a79e71da2b1da338ad7f5d682358@bugtrack.alsa-project.org> (raw)
A NOTE has been added to this issue.
======================================================================
<https://bugtrack.alsa-project.org/alsa-bug/view.php?id=813>
======================================================================
Reported By: ilikejam
Assigned To: Clemens Ladisch
======================================================================
Project: ALSA - driver
Issue ID: 813
Category: USB - usb-audio
Reproducibility: always
Severity: minor
Priority: normal
Status: assigned
Distribution: Fedora Core 3
Kernel Version: 2.6.10 (ALSA compiled in)
======================================================================
Date Submitted: 01-12-2005 19:41 CET
Last Modified: 02-23-2005 22:29 CET
======================================================================
Summary: Terratec USB surround broken
Description:
I'm using a Terratec USB 5.1 card. The 6 channels test correctly using
'./speaker-test -c6', but any attempt to use 5.1 channel in Xine, or using
'aplay -Dsurround51 file.wav' results in errors e.g.
-----
ALSA lib pcm.c:1851:(snd_pcm_open_conf) Invalid type for PCM surround51
definition (id: surround51, value: cards.pcm.surround51)
aplay: main:508: audio open error: Invalid argument
-----
Xine similarly fails saying the sound card is in use. Xine works fine for
stereo audio, even when configured to use 5.1 channel sound.
======================================================================
----------------------------------------------------------------------
Clemens Ladisch - 02-07-05 10:40
----------------------------------------------------------------------
The contents of the stream0 file indicate that your device doesn't support
any other sample rate than 48 kHz. So, when recording from a digital
44.1kHz source, the data still gets labeled as "48kHz".
----------------------------------------------------------------------
ilikejam - 02-23-05 22:29
----------------------------------------------------------------------
OK. Sounds fair enough.
Having looked at the stream0 output again I noticed that the only playback
rate is 48000. Where is the resampling done if I'm playing a 44100
source? Is it done by ALSA, or the soundcard? Also, is it possible to tell
ALSA not to resample (I'd imagine if I can record 44100 audio without
resampling through the digital connection, I could also play it back in
the same manner, without resampling).
Cheers.
Dave
Issue History
Date Modified Username Field Change
======================================================================
01-12-05 19:41 ilikejam New Issue
01-12-05 19:41 ilikejam Distribution => Fedora Core 3
01-12-05 19:41 ilikejam Kernel Version => 2.6.10 (ALSA compiled
in)
01-26-05 09:02 ilikejam Note Added: 0003413
01-26-05 10:40 Clemens LadischNote Added: 0003414
01-26-05 11:11 ilikejam Note Added: 0003415
01-31-05 20:52 ilikejam Note Added: 0003458
02-07-05 10:40 Clemens LadischNote Added: 0003528
02-23-05 22:29 ilikejam Note Added: 0003716
======================================================================
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next reply other threads:[~2005-02-23 21:29 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-23 21:29 bugtrack [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-05-31 16:03 [ALSA - driver 0000813]: Terratec USB surround broken bugtrack
2005-02-24 15:37 bugtrack
2005-02-24 15:33 bugtrack
2005-02-24 7:55 bugtrack
2005-02-07 9:40 bugtrack
2005-02-07 15:41 ` Frank Barknecht
2005-01-31 19:52 bugtrack
2005-01-26 10:11 bugtrack
2005-01-26 9:40 bugtrack
2005-01-26 8:02 bugtrack
2005-01-12 18:41 bugtrack
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