diff --git a/server/const.py b/server/const.py index 428b0439..89338d64 100644 --- a/server/const.py +++ b/server/const.py @@ -87,6 +87,7 @@ class EnumInferenceTypes(Enum): class EnumPitchExtractorTypes(Enum): harvest = "harvest" dio = "dio" + crepe = "crepe" class EnumFrameworkTypes(Enum): diff --git a/server/voice_changer/RVC/pitchExtractor/CrepePitchExtractor.py b/server/voice_changer/RVC/pitchExtractor/CrepePitchExtractor.py new file mode 100644 index 00000000..14d5a112 --- /dev/null +++ b/server/voice_changer/RVC/pitchExtractor/CrepePitchExtractor.py @@ -0,0 +1,47 @@ +import torchcrepe +import torch +import numpy as np + +from voice_changer.RVC.pitchExtractor.PitchExtractor import PitchExtractor + + +class CrepePitchExtractor(PitchExtractor): + def __init__(self): + super().__init__() + if torch.cuda.is_available(): + self.device = torch.device('cuda:' + str(torch.cuda.current_device())) + else: + self.device = torch.device('cpu') + + def extract(self, audio, f0_up_key, sr, window, silence_front=0): + n_frames = int(len(audio) // window) + 1 + start_frame = int(silence_front * sr / window) + real_silence_front = start_frame * window / sr + + silence_front_offset = int(np.round(real_silence_front * sr)) + audio = audio[silence_front_offset:] + + f0_min = 50 + f0_max = 1100 + f0_mel_min = 1127 * np.log(1 + f0_min / 700) + f0_mel_max = 1127 * np.log(1 + f0_max / 700) + + f0 = torchcrepe.predict(torch.tensor(audio).unsqueeze(0), sr, + hop_length=window, fmin=f0_min, fmax=f0_max, model='tiny', batch_size=256, + decoder=torchcrepe.decode.weighted_argmax, device=self.device) + f0 = f0.squeeze().detach().cpu().numpy() + + f0 = np.pad(f0.astype("float"), (start_frame, n_frames - f0.shape[0] - start_frame)) + + f0 *= pow(2, f0_up_key / 12) + f0bak = f0.copy() + f0_mel = 1127 * np.log(1 + f0 / 700) + f0_mel[f0_mel > 0] = (f0_mel[f0_mel > 0] - f0_mel_min) * 254 / ( + f0_mel_max - f0_mel_min + ) + 1 + f0_mel[f0_mel <= 1] = 1 + f0_mel[f0_mel > 255] = 255 + f0_coarse = np.rint(f0_mel).astype(np.int) + + return f0_coarse, f0bak + diff --git a/server/voice_changer/RVC/pitchExtractor/PitchExtractorManager.py b/server/voice_changer/RVC/pitchExtractor/PitchExtractorManager.py index 3c4ab1e2..8992d81e 100644 --- a/server/voice_changer/RVC/pitchExtractor/PitchExtractorManager.py +++ b/server/voice_changer/RVC/pitchExtractor/PitchExtractorManager.py @@ -2,6 +2,7 @@ from typing import Protocol from const import EnumPitchExtractorTypes from voice_changer.RVC.pitchExtractor.DioPitchExtractor import DioPitchExtractor from voice_changer.RVC.pitchExtractor.HarvestPitchExtractor import HarvestPitchExtractor +from voice_changer.RVC.pitchExtractor.CrepePitchExtractor import CrepePitchExtractor from voice_changer.RVC.pitchExtractor.PitchExtractor import PitchExtractor @@ -29,6 +30,11 @@ class PitchExtractorManager(Protocol): or pitchExtractorType == EnumPitchExtractorTypes.dio.value ): return DioPitchExtractor() + elif ( + pitchExtractorType == EnumPitchExtractorTypes.crepe + or pitchExtractorType == EnumPitchExtractorTypes.crepe.value + ): + return CrepePitchExtractor() else: # return hubert as default raise RuntimeError(