Support and General Use > Audio Playback, Database and Playlists

Make non-gapless MP3 files gapless without re-encoding?

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lowlight:
In foobar2000, I think you can use the Utils > "Edit MP3 Gapless Playback Information" option to add encoder padding/delay info for non-lame files. I've never tried it.

afruff23:
lowlight, I've seen that, but I have no idea what values to use.

lowlight:
There are some guides in the foobar forums. Encoder delay is a fixed value that depends on the encoder used and then you experiment with the number of samples, counting down from the actual number, until the result is gapless. It's clearly it's not an efficient way to process a large number of mp3s.

jaybeee:

--- Quote from: pabouk on October 30, 2006, 05:47:29 AM ---MP3packer does not add the LAME gapless tags but it can help some gapless players by adding correct VBR headers.

--- End quote ---
Yes you're right. My bad.

And about the foobar util: yep, that could work, but as already said it isn't elegant. And what surprises me is that no-one has created a little tool to do such a thing. Tools like MrQuestionMan can tell what encoder was used, and so if they can do that, then they can add the gapless data surely. Maybe something for someone to think about.

saratoga:

--- Quote from: jaybeee on October 31, 2006, 10:26:51 AM ---
Tools like MrQuestionMan can tell what encoder was used, and so if they can do that, then they can add the gapless data surely. Maybe something for someone to think about.

--- End quote ---

Its not possible.  The encoder delay isn't enough, otherwise gapless information wouldn't even be needed.  You have to know how many samples were in the original file before it was encoded.  

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