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What format is m4a?
M4A is the file extension of the MPEG-4 audio standard. The most commonly used .m4a files are in the AAC format, but other formats such as Apple Lossless and even mp3 can also be placed in the .m4a container. You can safely change the extension of an audio-only .mp4 file to .m4a so that it plays in your favorite player, and vice versa. The php Chinese website has also prepared M4A related tutorials and articles for everyone. You are welcome to read them.
The difference between m4a and mp3The difference between m4a and mp3: 1. The sound quality of M4A files is usually better than that of MP3 files of the same size, but it is not compatible with many devices; 2. MP3 files are highly compatible with most devices and software, but the sound quality may not be as good as m4a or other Lossless format; 3. MP4 files can contain audio encoded using AAC or MP3, while the video portion of MP4 files can be encoded using a variety of video codecs.
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