You only need to specified the mp3 file then with some parameters you will have the wav file.įinally, we could use Python and utilize Scipy and it’s Fast Fourier Transform pack to convert this audio file into set of numbers. Somehow FFMPEG is really useful for this kind of task. Then, I try to run this command below for converting mp3 file into wav file : ffmpeg -i input.mp3 -acodec pcm_s16le -ac 1 -ar 16000 output.wav Therefore, I downloaded it to my local computer. I grabbed some mp3 files from Free Music Archive to avoid misconduct usage of a licensed audio files. But for the first step, I want to try to transform audio file with. Of course, that’s not the best solution though. I don’t have experience in audio processing (especially using MATLAB or something like that), but as far as I know if we could transform some file into text it might be searchable. But that still make me feel interest to build an audio search engine. I didn’t know if it suitable for production, and might be it became an abandoned project. I was trying to build an audio fingerprint system three years ago using Echoprint Server from Spotify for my prior company.
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