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Highspeed Playback with some podcast files

Open designrDevelopr opened this issue 11 years ago • 5 comments

I have a problem with some of my podcasts. I use Android 4.2 and AntennaPod 0.9.8.0 with Prestissimo 1.0.

Some podcasts are playing well, no problem with neither 1× nor 1.4× speed. But some other are just running at very high playback speed, no mather if I choose 1× or 1.4× (it sounds like 5× or 10×). As soon as I deinstall Prestissimo from my device, all podcasts run at 1× without problems.

I downloaded some of the files to my computer, imported them into iTunes and had a look at the properties (see attached screenshot, green means: works with AntennaPod/Prestissimo in different speeds, red means: only works when Prestissimo is deinstalled). fileinfo Maybe that is an CBR/VBR issue?

The URLs for the files (for reproducing or reexamining) are: http://cdn-storage.br.de/MUJIuUOVBwQIbtChb6OHu7ODifWH_-bG/_-iS/_yNd5-v6/140120_0905_radioWissen_Der-Krimkrieg---Der-allererste-Weltkrieg.mp3 http://workingdraft.de/podpress_trac/web/2256/0/wd-153.mp3 http://www.bitsundso.de/podpress_trac/web/532/0/bits-2014-01-20.mp3 http://www.culinaricast.de/podpress_trac/web/3434/0/CC097-Mie_Nudeln_mit_Huhnchen.mp3

designrDevelopr avatar Jan 23 '14 10:01 designrDevelopr

@maxspam : What is your device?

I believe this is related to issue #3 .

pettarin avatar Jan 23 '14 13:01 pettarin

Yes, maybe it’s related to #3. But I wanted to point out the differences:

  1. podcasts going faster, not slower.
  2. happens to files with 44kHz, (didn’t test 22kHz-ones)
  3. so far happens evertime with a CBR, never with a VBR – see updated screen: fileinfo2

Hardware is FairPhone (don’t know what’s under the hood, I think some HUAWEI)

designrDevelopr avatar Jan 23 '14 13:01 designrDevelopr

Can someone repoduce the effect? And/Or confirm that it has to do with CBR/VBR?

designrDevelopr avatar Jan 29 '14 10:01 designrDevelopr

I have the same issue, also on a fairphone. Not sure how to check whether it is CBR/VBR. I know it does happen with: http://twit.tv/show/floss-weekly/281

I must say podax also gave me weird issues on the Fairphone, so it might be a Fairphone specific bug.

BlackEdder avatar Mar 04 '14 11:03 BlackEdder

It is probably related to this bug: https://fairphone.zendesk.com/hc/communities/public/questions/200735703-Internal-audio-player-issue?locale=en-us

BlackEdder avatar Mar 04 '14 11:03 BlackEdder