/rnnoise-windows

This is a RNNoise windows demo. It was modified and restructured so that it can be compiled with MSVC, VS2017.

Primary LanguageC

rnnoise-windows

This is a RNNoise windows demo. It was modified and restructured so that it can be compiled with MSVC, VS2017.

Usage:

  1. Initialize the rnnoise module.

    DenoiseState *st = rnnoise_create();

  2. Frame process

    ...
for (size_t n = 0; n < totalSamples / FRAME_SIZE * FRAME_SIZE; n += FRAME_SIZE)
{
	 
	for (size_t i = 0; i < FRAME_SIZE; i++) processFrame[i] = inputS16[n + i];

	//  Apply the PCM data to the rnnoise and denoise the audio data
	flag = rnnoise_process_frame(st, processFrame, processFrame);

	for (size_t i = 0; i < FRAME_SIZE; i++) outputS16[n + i] = processFrame[i];

	//printf("%f \n", flag);
}
...

  3. Output and free resources

    // output to wav file
...
// free
rnnoise_destroy(st);

Note:

Although the input and output format of the |rnnoise_process_frame() |function is |float|, we should treat them as |S16|, short format PCM instead of |F32|, float format PCM.

If you feed the process function with |F32| PCM data, the function will result in a 0 return and will not denoise the data.

For more details, you can check the project and test yourself.

Reference: