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@ -69,7 +69,13 @@ Each audio channel in the file is transformed separately. The resulting JSON has
``` ```
Every supplied audio file will result in one JSON file. The magnitude is the absolute value of the real and imaginary part of the Fourier transformation. Every supplied audio file will result in one JSON file. The magnitude is the absolute value of the real and imaginary part of the Fourier transformation.
## Example use case
This tool can theoretically be used to visualize music. The visualization part has to be written by you, though. For my little experiment I used python with matplotlib to create a line diagram from the spectra:
https://user-images.githubusercontent.com/24511538/116532180-4218e300-a8e0-11eb-8914-6b3b50228e58.mp4
## Used libraries ## Used libraries
* [AudioFile](https://github.com/adamstark/AudioFile) for loading audio files * [AudioFile](https://github.com/adamstark/AudioFile) for loading audio files
* [JSON for Modern C++](https://github.com/nlohmann/json) for writing JSON data * [JSON for Modern C++](https://github.com/nlohmann/json) for writing JSON data
* [cxxopts](https://github.com/jarro2783/cxxopts) for parsing commandline arguments * [cxxopts](https://github.com/jarro2783/cxxopts) for parsing commandline arguments