Add files via upload

TTS/bin/resample.py

@@ -0,0 +1,90 @@
+import argparse
+import glob
+import os
+from argparse import RawTextHelpFormatter
+from multiprocessing import Pool
+from shutil import copytree
+
+import librosa
+import soundfile as sf
+from tqdm import tqdm
+
+
+def resample_file(func_args):
+    filename, output_sr = func_args
+    y, sr = librosa.load(filename, sr=output_sr)
+    sf.write(filename, y, sr)
+
+
+def resample_files(input_dir, output_sr, output_dir=None, file_ext="wav", n_jobs=10):
+    if output_dir:
+        print("Recursively copying the input folder...")
+        copytree(input_dir, output_dir)
+        input_dir = output_dir
+
+    print("Resampling the audio files...")
+    audio_files = glob.glob(os.path.join(input_dir, f"**/*.{file_ext}"), recursive=True)
+    print(f"Found {len(audio_files)} files...")
+    audio_files = list(zip(audio_files, len(audio_files) * [output_sr]))
+    with Pool(processes=n_jobs) as p:
+        with tqdm(total=len(audio_files)) as pbar:
+            for _, _ in enumerate(p.imap_unordered(resample_file, audio_files)):
+                pbar.update()
+
+    print("Done !")
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(
+        description="""Resample a folder recusively with librosa
+                       Can be used in place or create a copy of the folder as an output.\n\n
+                       Example run:
+                            python TTS/bin/resample.py
+                                --input_dir /root/LJSpeech-1.1/
+                                --output_sr 22050
+                                --output_dir /root/resampled_LJSpeech-1.1/
+                                --file_ext wav
+                                --n_jobs 24
+                    """,
+        formatter_class=RawTextHelpFormatter,
+    )
+
+    parser.add_argument(
+        "--input_dir",
+        type=str,
+        default=None,
+        required=True,
+        help="Path of the folder containing the audio files to resample",
+    )
+
+    parser.add_argument(
+        "--output_sr",
+        type=int,
+        default=22050,
+        required=False,
+        help="Samlple rate to which the audio files should be resampled",
+    )
+
+    parser.add_argument(
+        "--output_dir",
+        type=str,
+        default=None,
+        required=False,
+        help="Path of the destination folder. If not defined, the operation is done in place",
+    )
+
+    parser.add_argument(
+        "--file_ext",
+        type=str,
+        default="wav",
+        required=False,
+        help="Extension of the audio files to resample",
+    )
+
+    parser.add_argument(
+        "--n_jobs", type=int, default=None, help="Number of threads to use, by default it uses all cores"
+    )
+
+    args = parser.parse_args()
+
+    resample_files(args.input_dir, args.output_sr, args.output_dir, args.file_ext, args.n_jobs)