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[IOhannes m zmoelnig <642465@xxxxxxxxxxxxxxxxxx>]

11 years later: is this still an issue?

- is your soundcard supporting full-duplex at all?
- are other applications able to play back sound properly?
- have you tried adjusting the buffersize?
- have you tried using JACK instead of ALSA (or the other way round)?

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https://bugs.launchpad.net/bugs/642465

Title:
  Puredata outputs Very bad sound when using ALSA backend

Status in puredata package in Ubuntu:
  New

Bug description:
  Binary package hint: puredata

  Runnig Puredata with the alsa backend outputs very bad sound. Also it only outputs sound if the sound input is disconnected.
  This is a link for the resulting sound. This is suposed to be continuous sound changing frequency overtime, the results its a bunch of crackles.
  http://dl.dropbox.com/u/1333955/soundtestarmpd.ogg

  There is some more info about this bug at
  http://puredata.info/docs/developer/BuildingPdForBeagleboard

  I supose this is somewhat related to the alsa driver of the SoC

  For reference i am using a IGEPv2 Board rev/RC 3

  ProblemType: Bug
  DistroRelease: Ubuntu 10.10
  Package: puredata 0.42.6-1build1
  Uname: Linux 2.6.35.4-l1 armv7l
  Architecture: armel
  Date: Sun Sep 19 01:46:10 2010
  ProcEnviron:
   LANG=pt_PT.UTF-8
   SHELL=/bin/bash
  SourcePackage: puredata

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