Implementing MP3 audio codec on MATLAB

Question

Karamjit Singh Bedi 2023-4-25

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1952809-implementing-mp3-audio-codec-on-matlab

回答： Piyush 2023-6-15

I want to programmatically implement the algorithms for WAV to MP3 compression and decompression on MATLAB, without using any direct functions. I want to implement it in such a way that I can control the extent of compression.

Please dont send me MATLAB scripts without any explanation, because this implementation is a part of a research project.

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Image Analyst 2023-4-26

OK, good luck with your project. Thanks (I guess) for the announcement of your plans. If you want, when you're done, you can submit it to the File Exchange if you think it might be of benefit to other people.

Rik 2023-4-26

If and when you have a question: have a read here and here. It will greatly improve your chances of getting an answer.

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Answer 1

Piyush 2023-6-15

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https://ww2.mathworks.cn/matlabcentral/answers/1952809-implementing-mp3-audio-codec-on-matlab#answer_1256214

Hello,

I understand that you want to convert WAV to MP3 compression and decompression.

For this, you can refer this MATLAB answers that addresses the issue that you are trying to solve.

convert file from .wav to .mp3 - MATLAB Answers - MATLAB Central (mathworks.com)

Also, you want to control the extent of compression. For achieving this, there is a fixed bit rate being used in the above answer, you can try to experiment with different bitrate settings to achieve the desired level of audio quality.

Refer the following documentations to read in detail about the functions -

mp3read and mp3write - File Exchange - MATLAB Central (mathworks.com)

Read audio file - MATLAB audioread (mathworks.com) – To read audio file

Open file selection dialog box - MATLAB uigetfile (mathworks.com) – opens file selection dialogue box

Create object to read video files - MATLAB (mathworks.com)