gap in mp3 loops, how to avoid it ?

[Bojan]

Hi,
I have problem with mp3 loop sound.
Any sound editor adds little gap on the beginning and on the end of sound loop when I convert it to mp3, if I save it as wav it’s ok, there’s no gap.

Deleting gap is useless, after reload it’s still there…

In CS3 I can’t play wav sound trough Sound object, or ?
Thanks in advance,

[ChromeDemon]

These sections of silence are needed by the mp3 encoder and decoder to ensure that there are an equal number of "samples" in each part or "frame" of the mp3 file. The mp3 encoder/decoder needs this so that it can perform its frequency analysis properly in order to compress and later play back the audio signal.

Almost every audio track encoded to mp3 will have these small gaps added to either the beginning and/or end of the final mp3 file. Generally they are less than a second (often 0.1-0.2 seconds long) and may not noticeable at all. But they clearly can be heard when playing tracks sequentially where no break originally occured in the sound or playing between tracks on the CD. Operas and vocal works are an example where this happens frequently.

[Bojan]

Thanks for explanation,
cheers