| |
| """Script to create stem level has_bleed annotations.""" |
|
|
| from __future__ import print_function |
|
|
| import argparse |
| import librosa |
| import numpy as np |
|
|
| from medleydb.multitrack import MultiTrack |
|
|
|
|
| def load_audio(filepath, samplerate): |
| y, sr = librosa.load(filepath, sr=samplerate) |
| return y, sr |
|
|
|
|
| def make_audio_stack(mtrack, fs=22050): |
| stems = mtrack.stems |
| n_stems = len(stems) |
|
|
| print("loading stem 1...") |
| stem1_audio, fs = load_audio(stems[1].audio_path, fs) |
| n_samples = len(stem1_audio) |
|
|
| audio_stack = np.zeros((n_stems, n_samples)) |
|
|
| for stem_idx in stems: |
| if stem_idx == 1: |
| audio_stack[0, :] = stem1_audio |
| else: |
| print("loading stem %s..." % stem_idx) |
| audio_path = stems[stem_idx].file_path |
| audio_stack[stem_idx - 1, :], _ = load_audio(audio_path, fs) |
|
|
| return audio_stack, fs, n_samples |
|
|
|
|
| def compute_bleed_estimation_matrix(audio_stack, fs, n_samples): |
| |
| pass |
|
|
|
|
| def main(args): |
| mtrack = MultiTrack(args.track_id) |
| audio_stack, fs, n_samples = make_audio_stack(mtrack) |
| compute_bleed_estimation_matrix(audio_stack, fs, n_samples) |
| |
|
|
|
|
| if __name__ == "__main__": |
| parser = argparse.ArgumentParser(description="") |
| parser.add_argument("track_id", |
| type=str, |
| help="MedleyDB track id. Ex. MusicDelta_Rock") |
| parser.add_argument("write_output", |
| type=bool, |
| default=True, |
| help="If true, write the output to a file") |
|
|
| main(parser.parse_args()) |
|
|
