What is a m4a file and how do I open a m4a file?
M4A are container files that store audio data encoded with the MPEG4 Part-14 format. M4A files are implemented with AAC compression standards or ALAC (Apple Lossless Audio Codec) specifications. This file format was created by Apple in order for users not to have any difficulty in distinguishing MP4 files that contain audio and video content from MP4 files that only contain audio data. M4A files are mostly used for storing audio book content and digital music, and the Apple iTunes Store offers many selections in M4A format. Most of the M4A audio books and digital music tracks which may be downloaded from the Apple iTunes Store are integrated with AAC compression, thereby significantly reducing the size of the M4A. M4A files are compressed and have a high quality of sound. M4A files are small so they are able to download quickly and use less storage space. These files can be converted and opened with Apple's iTunes.
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Detail m4a file extension information:
File Format: MPEG-4 Audio File
Primary Association: MPEG Files
Relevant m4a file links:How to open m4a file on Youtube
How to open m4a file on Wikipedia
How to open m4a file on Microsoft.com