Already I have created an iPhone application to record. It will record in .caf file. But I want to record in .m4a format. Please help me to do this. Thanks.

I'm looking for a way to modify ID3 tags with Swift. More specifically, I want to write the Album Art image to an mp3/m4a file. A Swift library would be the best, but I'll take anything that can ...

I'm converting an mp3 to m4a on iOS with this code: iOS swift convert mp3 to aac but I need to extract the left and right channel into seperate m4a files. I have this code working which is split...

How can i record M4A audio file with MediaRecorder in Android 2.2 ? What output format, encoder and sampling rate i need to set ? I need to record it from microphone and save it in SDCARD UPDATE ...

I've written some PHP code to pull out ID3 tags from mp3 files. The next step is to do the same with .m4a files. From the research I've done it looks like most m4a files do not use ID3 but instead ...

I try to export an audio file from the iPod-Library. I want to create with this iPod-Library file an new file. In the AV Foundation Programming Guide in chapter Reading and Writing Assets there is ...

I'm using AVAudioRecorder to record an audio file of varying length with the following configuration: - (AVAudioRecorder*)recorder { if(!_recorder) { // Set the audio file NSArray *pathComponen...

Is there any difference between M4A audio files and AAC audio files or are they exactly the same thing but with a different file extension?

I've looked and can't seem to find a concrete answer. My client wants to play sound clips on his website, currently he has over 2000 clips which are in m4a format. A lot of the audio players I ha...

I am fully aware the legal constraints in using libfaac but this is just for my testing purpose. I have compiled ffmpeg with faac enabled. So when I tried to convert an .mp3 to a .m4a here i...

I've made an app that plays music using AVAudioPlayer. It either uploads or downloads songs, writes them to Core Data, then recalls them to play when selected. All of the fifteen songs that I've be...

If I have an .mp4 file with a video stream and an audio stream. I f I execute this command: ffmpeg -i input.mp4 -ss 00:00:14.000 -t 00:00:01.000 -vn -c:a libfaac audio.m4a The result is Duration...

So I am faced with a very weird and strange problem and was wondering if anyone else has come across this issue. I am grabbing the raw data from MPMediaItem from the phones music library and then s...

I need to convert a WAVE file into an AAC encoded M4A file on iOS. I'm aware that AAC encoding is not supported on older devices or in the simulator. I'm testing that before I run the code. But I s...

I am using a AVAudioRecorder instance to record with the setting for AVFormatIDKey set to kAudioFormatMPEG4AAC. It records the audio in AAC format but a .caf audio container packages the audio file...

I'm looking for an open-source library for editing AAC metadata in M4A files (as appearing in iTunes). Specifically, I need to be able to add an album art tag. It should be something similar ...

I've been looking for a way to convert an mp3 to aac programmatically or via the command line with no luck. Ideally, I'd have a snippet of code that I could call from my rails app that converts an ...

This question is overflow from the following question: How do I programmatically convert mp3 to an itunes-playable aac/m4a file? Anyway, I learned how to create an aac file and then i found out t...