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Index > Windows > Simple mp3 converting to wav.

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Roman



Joined: 21 Apr 2012
Posts: 1718
Roman 02 Jan 2024, 08:35
I search assembler variant convert mp3 data sound to wav.
In 2007 I see c example for dos 4kb

Or get info ogg file format structure.
https://formats.kaitai.io/ogg/

And I want get decoding formula.
How decoding mathematecly do.
https://stacktuts.com/how-to-generate-the-audio-spectrum-using-fft-in-c
Post 02 Jan 2024, 08:35
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Roman



Joined: 21 Apr 2012
Posts: 1718
Roman 02 Jan 2024, 12:38
How using id3lib.dll from mbx(music box) ?

How using libogg.dll 33kb ?
For libogg.dll need vorbis dll ?
Post 02 Jan 2024, 12:38
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comrade



Joined: 16 Jun 2003
Posts: 1150
Location: Russian Federation
comrade 03 Jan 2024, 00:49
I'd suggest grabbing an existing decoder (e.g. libavcodec which is what ffmpeg uses to decode MP3) and linking it with your app. See here for an example
Post 03 Jan 2024, 00:49
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comrade



Joined: 16 Jun 2003
Posts: 1150
Location: Russian Federation
comrade 03 Jan 2024, 00:51
If you want to write your own MP3 decoder, I'd suggest writing it first in a higher-level language (e.g. MATLAB/Python) then a lower-level language like C and then finally assembly if it is really what you want.
Post 03 Jan 2024, 00:51
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DOS386



Joined: 08 Dec 2006
Posts: 1900
DOS386 03 Jan 2024, 18:00
Note that MP3 is not the same thing as OGG Vorbis (OGG is the outer container, Vorbis is the audio codec). https://gitlab.xiph.org/xiph/tremor
Post 03 Jan 2024, 18:00
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