[Bug 532422] [NEW] Dolby Digital spdif output fails with usb-audio

Fri Mar 5 05:35:24 UTC 2010

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Binary package hint: alsa-utils

I've talked to upstream about this for a few years and never had any
movement.

I created an upstream bug..

https://bugtrack.alsa-project.org/alsa-bug/view.php?id=4864

a couple months ago and can't seem to get anyone to look at it.
Maybe someone here can help :)

To reproduce:
1. use usb sound card with spdif out.
2. Download DD and DTS file from http://www.sr.se/sida/default.aspx?programID=2445
3. Use aplay -D hw:1,0 file.dts     <--- produces sound
4. aplay -D hw:1,0 file.dd   <--- silence
(can also use dvd that has dd and dts tracks with mplayer as well)

You may need to use different device numbers based on your setup.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

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Dolby Digital spdif output fails with usb-audio
https://bugs.edge.launchpad.net/bugs/532422
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