Comment 97 for bug 644644

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e_james (e-james) wrote :

EeePC 901, Ubuntu 10.10

I'm a newcomer to linux and there is much I don't understand but I do have some computer skills and I have noticed that no-one has mentioned audio sampling rate. When I discovered this problem and looked for a solution I found that some video files will play properly and some won't. So I did some experiments with the following results.

Any file where the audio is mp3 or aac or ac3 with a sampling rate of 22.05 kHz will play in Totem without problems.

Any file where the audio is mp3 or aac or ac3 with a sampling rate of 24 kHz will fail to play in Totem with the error messages described above.

Since 44.1 kHz or 22.05 kHz seems to be the accepted standard in North America, I suspect that someone wrote a piece of code which, in effect, assumes that the sampling rate can only be 44.1 kHz or 22.05 kHz. Many years ago I made a similar mistake and trashed an operating system.

Unfortunately for me, the majority of my video files use mp3 at 24 kHz because I have found that 22.05 kHz doesn't sync properly with the video. I believe that it's something to do with the PAL TV standard in Europe.