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notes.md
21
notes.md
@ -65,10 +65,31 @@ There are two types:
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1. lossless compression
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2. lossy compression
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[Here a comperison of audio coding formats.](https://en.wikipedia.org/wiki/Comparison_of_audio_coding_formats)
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The two criterias, which NEED to be met is:
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1. open source
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2. the encoder as well as the player need to be free to use
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## container
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[Wikipedia](https://en.wikipedia.org/wiki/Container_format)
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A container embeddes the metadata in a file. In this case I am interested in containers regarding audio.
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### considerations
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Important differences between container, that I need to consider when choosing one, *cuz I only implement this shit once*, are:
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1. advanced content, meaning which fields there are, for example title, length, ...
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2. popularity *(the more poppular it is, the better will be the support between different software)*
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3. support for different [codec features](#audio-codec) *(older codecs might not support newer frames)*
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4. overhead *(different file size with different data, though this certainly is less an issue with audio)*
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5. support streaming the media
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These destinctions are sorted from top to bottom.
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## audio codec
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[Wikipedia](https://en.wikipedia.org/wiki/Audio_codec)
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