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Reading WAV / RIFF Texts

I am writing a simple sound recording utility that also wants to be able to mark received files with metadata. It is very easy to find libraries for MP3 tags with ID3 tags, but I'm more interested in lossless codecs such as WAV and possibly FLAC.

As I understand it, WAVE files are indeed a subset of the type of RIFF file, which can contain both “chunks” of the waveform and “chunks” of metadata.

Can someone point me towards libraries, specifications or sample projects that will help me figure out how to read and write these RIFF tags to and from WAVE files?

Is it also known whether there are similar tags for FLAC and any good resources for writing metadata in FLAC files?

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2 answers

For RIFF-WAV.

Yes, metadata is stored in a special block. It should be noted that you will not be able to display ID3 (or other tags) in RIFF-WAV metadata in the standard way. Some common tag fields have corresponding standard RIFF-WAV fields, for others you have to make your personal inventions. Also, most programs do not recognize RIFF-WAV tags.

For FLAC.

FLAC FLAC.

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Source: https://habr.com/ru/post/1739102/

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