WMA is a proprietary audio container format of Microsoft. There are 4 codec used in WMA – WMA, WMA Professional, WMA Lossless and WMA Voice. It uses one of the four WMA codec to encode audio. WMA contains the audio file in Advanced Systems Format (ASF) format. The ASF file decides how the metadata will be encoded.
Audio Interchange File Format (AIFF) is a container format for audio files without compression. It was developed by Apple and is similar to the WAV format, which is mainly used on Windows.
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