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Oggs Let Down by Clipping ?
Buckster
post May 2 2007, 21:05
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whillst I really like the sound quality of OGGs over either MP3 and WMA -even at lower bit-rates - I seem to regularly suffer from clipping problems - perhaps I am over-sensitive to the effect of clipping on the sound of music - but it is very annoying.

I rip on my PC - and playback on my Samsung player - which supports WMA, MP3 and OGG.

problem is you use mp3gain to remove clipping on MP3s - but for OGGs since no portable (or very few) support the embedded gain levels produced by something equivalent of mp3gain - there is no solution ? Is this right ?

I've tried normalising (at say 85% max) before encoding - but that doesn't seem to really work.

I don't want to go through every track manually in wav format either.

any ideas please ? I'd love to enjoy my OGGs more than I do at the moment.

thanks, Mark.
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Alex B
post May 3 2007, 11:33
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QUOTE (Buckster @ May 2 2007, 23:05) *
whillst I really like the sound quality of OGGs over either MP3 and WMA -even at lower bit-rates - I seem to regularly suffer from clipping problems - perhaps I am over-sensitive to the effect of clipping on the sound of music - but it is very annoying.

I rip on my PC - and playback on my Samsung player - which supports WMA, MP3 and OGG.

problem is you use mp3gain to remove clipping on MP3s - but for OGGs since no portable (or very few) support the embedded gain levels produced by something equivalent of mp3gain - there is no solution ? Is this right ?

I've tried normalising (at say 85% max) before encoding - but that doesn't seem to really work.

I don't want to go through every track manually in wav format either.

any ideas please ? I'd love to enjoy my OGGs more than I do at the moment.

thanks, Mark.

It is possible to use the scale switch in the encoder command line for adjusting the file volume level. Also, some programs (e.g. foobar) can apply a replay gain adjustment on file conversions.

However, I wonder what you mean by "clipping". Do you hear the same clipping on PC playback or does it happen only with your Samsung? What programs, encoder version and encoding options do you use? Could you provide a sample of a file that does not "clip" before encoding and clearly "clips" after the conversion? (The forum rules allow max 30s samples. The sample should be compressed in a lossless format from the original source. The upload forum is here.)


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