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Questions tagged [m4a]

M4A stands for MPEG 4 Audio, it is a filename extension used to represent audio files.

M4A stands for MPEG 4 Audio which is an audio-only MPEG-4 file. Audio-only MPEG-4 files generally have a .m4a filename extension. This is especially true of non-protected content (which often uses the file extension .m4p). MPEG-4 files with both audio and video generally use the standard .mp4 extension.

More details about MP4 file format( container format of all .m4a files) is at http://en.wikipedia.org/wiki/MPEG-4_Part_14

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Programmatically convert M4A to MP3

I want to create a tool where you can enter a lot of .m4a files, then it converts them to .mp3 and sorts them by id3 tags. The code for sorting is already complete and works really well but I can't find sample code that converts .m4a to .mp3. Anyone…
Xetoxyc
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Compress wav file to a small m4a or mp3 file by using AS3/PHP

Is it possible to compress a wav file to a small m4a or mp3 file by using AS3 OR PHP?
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Background music in a php/html webpage

I used an iPhone to record a piece of piano music as .m4a format. I would like to chop it and convert it into a suitable format to be used as the background music in a php/html website. I have the following questions:- 1. what kind of format is the…
Ham
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How can I produce a 9 channel audio file encoded using AAC from 9 (mono) input files?

I'd like to create an AAC encoded audio file with an MP4 container that has a large number of channels, ideally up to 64. I'm running something like this (but with 9 files and a larger list at the start of the filter): ffmpeg -hide_banner -i 0.wav…
Thomas Bratt
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How do I convert audio format from m4a to mp3 in iOS using Swift 4?

I am downloading audio from server in .m4a format and just want to convert it in .mp3 format.
ALOK RANJAN
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what should i do for playing a m4a file in python3?

I used pygame and mplayer library to play a m4a music file in python languages,but all failed. Is there a library i can use to play m4a file in python? here is my code: pipes = dict(stdin=PIPE, stdout=PIPE, stderr=PIPE) mplayer = Popen(["mplayer",…
user9978491
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How to dynamically re-sample M4A file in ObjectC

I want to take dynamically a song from iTunes and re-sample it to some lower quality rate. I'm able to import the song from iTunes, but I don't know how to re-sample from 320KBit (supposed that iTunes work at this quality) to 96KBit and keep the M4A…
Daniele Tassone
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Creating preview audio clips from m4a files

Another post here answered the question of creating 30 second preview clips from WAV audio files (Create mp3 previews from wav and aiff files). My needs slightly overlap, but differing details are beyond my knowledge. Requirements/Options: clip…
Paul Palm
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Downloading song preview m4a file from iTunes and merging it into recorded video

I have used iTunes api to search songs in iTunes store and after that user will select a song preview to merge it into previously recorded video. e.g. here If I try to play this song preview using AVPlayer it will play successfully, but it looks…
prasad
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