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2
votes
1answer
181 views

FFMPEG: Convert m4a files to mp3 without significant loss of information / quality. Automated bitrate

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 ...
0
votes
0answers
15 views

Organise M4A files into folders from its metadata

I have a folder with a load of .m4a files which all have metadata (track, artist, album, album artist) and I want to put them into the same structure as iTunes would. I found a script that someone has ...
0
votes
0answers
198 views

What is the purpose of the [ITUNMOVI] tag?

I've been rebuilding my music library repurchasing music I've had as mp3s and lower bitrates back in iTunes. However I'm not really satisfied with how iTunes handles the tags. It's not consistent ...
0
votes
1answer
79 views

Read/Write albumart cover type in mp4/m4a with AtomicParsley or any other CLI tool?

Is it possible (and how) to read and/or write the cover type of the artwork embedded in mp4/m4a audio with AP? MP4 audio supports 'Front Cover' and 'Back Cover' types, and I can read/set those values ...
3
votes
1answer
255 views

FFmpeg corrupts iTunes files

I am trying to create .m4a files to play in my car, which has a USB interface. Files downloaded from this website work fine as is. However for example if I remux them using ffmpeg -i infile.m4a -c ...
1
vote
2answers
1k views

How do I upload my .M4A (Apple Lossless) files to Google Music?

Google Music does not support .M4A (Apple Lossless) files and so Google's Music Manager skips them. How do I upload those?
0
votes
1answer
520 views

How to merge an image into an audio file?

I am trying to merge a thumbnail-size (104x80) image into an audio file (M4A). I want it to be played in JW Player, but it doesn't seem to support thumbnails. I have tried it in VLC Player, but the ...
3
votes
2answers
1k views

Splitting an audio file into chunks of a specified length

I have several long audio files (80 minutes each; m4a) and want them split into 5- or 10-minute pieces. I see many questions for splitting an audio file at extended pauses, tones, etc. but can't seem ...
3
votes
1answer
1k views

Can FFMPEG convert mp3 files into m4a in full, i.e. with both audio and video streams (jpeg cover) copied?

I use Zeranoe build of ffmpeg. It converts mp3 files into m4a files just fine, as far as the audio stream is concerned, but I can't figure out a way to keep the songs album cover jpeg, which ffmpeg ...
2
votes
2answers
163 views

How to extract the audo track from an m4a file?

I've got an m4a video file and would like to extract the sound. How can I do that? Running Arch Linux.
0
votes
1answer
534 views

How to increase volume of a track on OSX

I'm looking for some software to increase the volume of a track that I have in m4a (but I know how to convert it to whatever) for osx. Can anyone name such a thing? I tried macMP3gain but that ...
0
votes
1answer
941 views

m4a file with Quicktime: Error - 2041: an invalid sample description was found in the movie

I have a number of m4a files that don't play properly. I previously thought that it was a problem with Media Monkey, but I managed to get Media Monkey to play some m4a files and the files I know don't ...
1
vote
1answer
2k views

Windows Media Center/Player doesn't show all songs in a folder

I have a home theater computer running Windows 7 and WMC. It is a fresh install from 5 days ago, fully patched/updated, though I have not installed WMP 12. All my music is in a second hard drive ...
3
votes
2answers
2k views

Media monkey doesn't play m4a

I have a number of songs on my Windows computer that were copied over from Ubuntu. My mp3's work fine in Media Monkey, but none of my m4a's do. As I guess I believe that it might have something do ...
1
vote
1answer
115 views

How to pause an m4b file

When I play m4b files on my computer, they open with iTunes. I can stop the file, but I cannot resume the file from within iTunes. In order to pick up where I left off, I have to open the file ...
1
vote
3answers
488 views

Why is my ogg bigger than my m4a?

I am using the following commands to encode an audio file to m4a & ogg formats: ffmpeg.exe -i 0123456789 -ab 192k out.m4a ffmpeg.exe -i 0123456789 -f wav - | oggenc2.exe - -r -q 6 -o out.ogg ...
2
votes
3answers
2k views

Best Audio bitrate/encoding? [closed]

I want to rip all my CDs again. What is the best bitrate to use? I am thinking of OGG with 192 (it seems OGG uses ABR and doesnt have a VBR?). I cant remember what i used but i many ripped as m4a and ...
6
votes
2answers
7k views

How to increase the volume in an m4a file?

I have an m4a file. When listening to it on my iPod Touch, the volume is too low, even when I turn it all the way up. I need to increase the volume in the file so that I can hear what is being said. ...
1
vote
1answer
962 views

Merging m4a audio

Does anyone know any utilities for merging M4a files? Can be on PC, Mac or even Ubuntu/Linux. Done a lot of searching but haven't been able to turn up anything.
2
votes
3answers
2k views

Looking for audio-book style CD ripper

I have a number of audio books on CD that I'd like to convert to MP3 (or M4A) format. I'd prefer to have one large audio file per CD, with chapter marks at the track boundaries. Almost all the CD ...
5
votes
5answers
13k views

MP3 vs M4A (AAC): what is the audio codec for portable devices which gives maximum independence?

A couple of years back MP3 was the most supported format for portable devices. Then Apple came along and wiped the floor of all the portable devices with the iPod as well as the iPhone. They clearly ...
5
votes
8answers
33k views

Play Apple Lossless (.m4a, ALAC) files in Windows 7 Media Player?

Is there a good plugin or codec that allows Media Player/Media Center on Windows 7 to play Apple Lossless (ALAC) encoded files? As the files are shared between multiple iTunes installations and one ...
3
votes
6answers
10k views

How to decode AAC (.m4a) audio files into WAV?

How would you convert (decode) AAC files into WAV format? (Or, if you prefer, how to decode & re-encode them into MP3 or Ogg Vorbis? But WAV is sufficient as I already have good tools for WAV ➔ ...
1
vote
1answer
2k views

How to enable MP3, M4a support for Amarok?

Note: Amarok Version 2.0.1 KDE 4.1.3 Opensuse 11.1