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Questions tagged [mp3]

MP3 is the common name for the MPEG-1 Audio Layer 3(III) or MPEG-2. It is a patented digital audio encoding format using a form of lossy data compression.

MP3 is effectively the standard audio format for consumer audio storage and for the transfer and playback of music on digital audio players. It uses a lossy compression algorithm which, while removing some information, is "good enough" for most everyday uses.

For more information see the Wikipedia entry

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How to add a mp3 handler to sox?

I want to play music in the terminal with sox. # install sox/lame sudo apt-get install sox sudo apt-get install lame # play music play music.mp3 # play FAIL formats: no handler for file extension `mp3' # mp3 -> wav lame --decode music.mp3…
kev
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FFMPEG: Convert m4a to mp3 without significant loss

I have a load of audio files (about 1000) which I want to convert from m4a to mp3 so I can use play them on a CD player which has a USB port. I tried doing something simple like: ffmpeg -i FILE.m4a FILE.mp3 but this seems to reduce the bitrate to a…
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Auto-tagging MP3s

I have a ton of MP3s, but their ID tags are not filled in. Going in manually to populate them is simply too much work. I was wondering if there is a way to populate them automatically. Perhaps by feeding the MP3s to Shazam or Midori or something…
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Can I losslessly increase the volume of an MP3 file?

I want to increase the volume of some MP3 files that I have. Is there a way to do this in a lossless way (without re-compressing the MP3 file and hence decreasing its quality)?
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Convert mp3 to wav using FFmpeg for VBR

What command should I use to convert a mp3 file to wav whose bitrate is variable. Or better how would I know whether that source audio is fixed bitrate or variable?
Soham Dasgupta
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Convert an MP3 from 48000 to 44100 Hz?

I have some MP3s that are in 48000 Hz sampling frequency. I'd like to burn them to CD, so I have to reduce the sampling frequency into 441000. How to do that using ffmpeg?
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Extracting audio from MP4 video into MP3

I downloaded a few MP4-encoded videos from which I'd like to extract the audio stream into MP3 files for easy listening on my digital player. Most likely, VLC can do this, but the instructions followed on their forums gave out a "bubbly" sound…
OverTheRainbow
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How do I split an MP3 file without re-encoding it?

I have a 400 MB MP3 file at 96 kbps, taken from a CD.  I want to split this into many files. Is there any way to do that without affecting the quality of audio, or maybe without re-encoding the file?
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Is there a tool that can detect (and if possible, fix) glitches in MP3 files?

My collection contains some MP3s which have some glitches like: displaying the wrong duration on loading minor jumps suddenly ending despite the duration claims another minute remaining noise I'm looking for a tool that can detect as many of these…
Tobias Kienzler
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Get MP3 Length in Linux / FreeBSD

I have a bunch of mp3 files with various length. I want to cut it down to 50%-60% length. Says, from 1 minute down to 30 seconds. It should be trivial using ffmpeg. But, I don't know how to determine the original length of it as a base for…
ariefbayu
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Is there an easy way to split mp3 files?

I recently learned a neat trick. To join mp3 files together, you simply use the command (in Windows) copy /b *.mp3 joined.mp3 and voila, you have one large mp3 file. My question: is there a method of doing the opposite, i.e. splitting an mp3 file,…
Yuval
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Any beat detection software for Linux?

Amarok 2 can search through music collection using ID3v2 tag's 'bpm' field. That would be very nice to retag the entire music collection so I can find the 'mood' of the track I like. However I've not found any beat-detection software that could have…
kolypto
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FFmpeg command to convert MP3 to AAC

I can issue this command: ffmpeg -i input.mp3 -acodec alac -ab 128k -ar 48000 -ac 2 -y output.m4a to create a m4a file. But when I issue this command ffmpeg -i input.mp3 -acodec alac -ab 128k -ar 48000 -ac 2 -y output.aac ffmpeg is throwing an…
Soham Dasgupta
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Why are my MP3 files the same size, even when I change the bitrate with ffmpeg?

I converted an audio stream into 3 different settings using essentially the same format. They ended up being exactly the same size. Why is this? ffmpeg -i "Likoonl-Q1-All.mp4" -c:v copy -c:a libmp3lame -q:a 1 -b:a 192k "Q1-All-192k.mp4" ffmpeg -i…
Arlen Beiler
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Convert mp3 to ogg vorbis

Is there a command-line utility to convert mp3s to ogg vorbis that I can install with apt-get? Alternatively, is there an extension for nginx so I can point it to a directory with mp3 files and have it serve ogg files on the fly?
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