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Topic: Removing blank space at end of mp3 (Read 8348 times) previous topic - next topic
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Removing blank space at end of mp3

This probably gets asked often...  I have a series of mp3's mixed from a DJ, but each song has about two seconds of blank space recorded at the end of it.  I want it to sound exactly like it was performed - no blank spaces in between songs.  So, how do I remove the space?  I've tried deleting the tail end of each mp3, but I can't get the end of one song to flow into the beginning of the other - no matter how hard I try I either chop too much or too little.  Is there a utility that will automatically do this?  Thanks for your help.

Removing blank space at end of mp3

Reply #1 –
Play them back with foobar2000.  It has the option to remove the two second pause.  I know of no other which can do this for MP3's.
Nov schmoz kapop.

Removing blank space at end of mp3

Reply #2 –
Quote
This probably gets asked often...  I have a series of mp3's mixed from a DJ, but each song has about two seconds of blank space recorded at the end of it.  I want it to sound exactly like it was performed - no blank spaces in between songs.  So, how do I remove the space?  I've tried deleting the tail end of each mp3, but I can't get the end of one song to flow into the beginning of the other - no matter how hard I try I either chop too much or too little.  Is there a utility that will automatically do this?  Thanks for your help.
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Short version: You cannot make the tracks anymore as they were performed

Long version: There are two ways to make the tracks gapless - but it will not be "truly" gapless but instead more a "patch":

A (lossless): Use a gapkiller + crossfader in your player with a really small timespan - something like 50ms may already be enough.

B (lossy): Decode the tracks into a WAV-editor, and manually perform the crossfade - then recompress them. Warning: this will reduce the soundquality of the entire files, not just the tracktransitions(because of recompression)
I am arrogant and I can afford it because I deliver.

Removing blank space at end of mp3

Reply #3 –
What if you use a mp3 stream editor to cut off the silent frames, then make a lame tag that instructs the decoder where the actual music begins and ends?

Foobar should be able to do the latter with it's "fix mp3 header" feature. Tedious and complicated, but it would make it true gapless, right?
Veni Vidi Vorbis.

Removing blank space at end of mp3

Reply #4 –
Yes.

There is a tutorial on the foobar2000 forum on how to do this, but it is very tricky.

I would decode to wav, then manually cut silences off.

This would be much easier.
I'm the one in the picture, sitting on a giant cabbage in Mexico, circa 1978.
Reseñas de Rock en Español: www.estadogeneral.com

Removing blank space at end of mp3

Reply #5 –
I use mpTrim Try it, I like it. The basic is free, but you pay for the pro version.

Removing blank space at end of mp3

Reply #6 –
Yes, but even if you do this, you need to modify the LAME Tag also, or the MP3 won't play back gapless. MP3 decoding reads the MP3 padding as silence, so you need to tell the decoder (a capable decoder, such as the one in foobar2000) where the song REALLY ends. This is done through the LAME tag, but it is --again-- very difficult.

Trimming WAVs (with something like GoldWave or Audacity) is much easier.
This has a problem, though, you WILL end up with WAVs, instead of MP3, so you will need to reencode, and you will lose quality.

But this problem has no easy solution I can think of. No program can "magically" do this.

Off topic: Whoa! 1000 posts!
I'm the one in the picture, sitting on a giant cabbage in Mexico, circa 1978.
Reseñas de Rock en Español: www.estadogeneral.com