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torch_pitch_shift_audio_tensor_by_semitones_fft.py

python

Applies a pitch shift of 2 semitones to a mono or multi-channel audio

15d ago11 linesv047/torch-pitch-shift
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torch_pitch_shift_audio_tensor_by_semitones_fft.py
1import torch
2import torch_pitch_shift as ps
3
4# generate sample (1 channel, 44100 samples)
5sample = torch.sin(torch.arange(44100) * (2 * 3.14159 * 440 / 44100)).view(1, -1)
6
7# shift up by 2 semitones
8up = ps.pitch_shift(sample, 2, 44100)
9
10# shift down by 2 semitones 
11down = ps.pitch_shift(sample, -2, 44100)