Source code for espnet2.bin.enh_scoring

#!/usr/bin/env python3
import argparse
import logging
import re
import sys
from pathlib import Path
from typing import Dict, List, Union

import librosa
import numpy as np
import torch
from mir_eval.separation import bss_eval_sources
from pystoi import stoi
from typeguard import typechecked

from espnet2.enh.loss.criterions.time_domain import SISNRLoss
from espnet2.fileio.datadir_writer import DatadirWriter
from espnet2.fileio.sound_scp import SoundScpReader
from espnet2.train.dataset import kaldi_loader
from espnet2.utils import config_argparse
from espnet2.utils.types import str2bool
from espnet.utils.cli_utils import get_commandline_args

si_snr_loss = SISNRLoss()

[docs]def get_readers(scps: List[str], dtype: str): # Determine the audio format (sound or kaldi_ark) with open(scps[0], "r") as f: line = f.readline() filename = Path(line.strip().split(maxsplit=1)[1]).name if re.fullmatch(r".*\.ark(:\d+)?", filename): # xxx.ark or xxx.ark:123 readers = [kaldi_loader(f, float_dtype=dtype) for f in scps] audio_format = "kaldi_ark" else: readers = [SoundScpReader(f, dtype=dtype) for f in scps] audio_format = "sound" return readers, audio_format
[docs]def read_audio(reader, key, audio_format="sound"): if audio_format == "sound": return reader[key][1] elif audio_format == "kaldi_ark": return reader[key] else: raise ValueError(f"Unknown audio format: {audio_format}")
[docs]@typechecked def scoring( output_dir: str, dtype: str, log_level: Union[int, str], key_file: str, ref_scp: List[str], inf_scp: List[str], ref_channel: int, flexible_numspk: bool, is_tse: bool, use_dnsmos: bool, dnsmos_args: Dict, use_pesq: bool, ): logging.basicConfig( level=log_level, format="%(asctime)s (%(module)s:%(lineno)d) %(levelname)s: %(message)s", ) if use_dnsmos: if dnsmos_args["mode"] == "local": from espnet2.enh.layers.dnsmos import DNSMOS_local if not Path(dnsmos_args["primary_model"]).exists(): raise ValueError( f"The primary model '{dnsmos_args['primary_model']}' doesn't exist." " You can download the model from" "DNS-Challenge/tree/master/DNSMOS/DNSMOS/sig_bak_ovr.onnx" ) if not Path(dnsmos_args["p808_model"]).exists(): raise ValueError( f"The P808 model '{dnsmos_args['p808_model']}' doesn't exist." " You can download the model from" "DNS-Challenge/tree/master/DNSMOS/DNSMOS/model_v8.onnx" ) dnsmos = DNSMOS_local( dnsmos_args["primary_model"], dnsmos_args["p808_model"], use_gpu=dnsmos_args["use_gpu"], convert_to_torch=dnsmos_args["convert_to_torch"], ) logging.warning("Using local DNSMOS models for evaluation") elif dnsmos_args["mode"] == "web": from espnet2.enh.layers.dnsmos import DNSMOS_web if not dnsmos_args["auth_key"]: raise ValueError( "Please specify the authentication key for access to the Web-API. " "You can apply for the AUTH_KEY at" "DNS-Challenge/blob/master/DNSMOS/" ) dnsmos = DNSMOS_web(dnsmos_args["auth_key"]) logging.warning("Using the DNSMOS Web-API for evaluation") else: dnsmos = None if use_pesq: try: from pesq import PesqError, pesq logging.warning("Using the PESQ package for evaluation") except ImportError: raise ImportError("Please install pesq and retry: pip install pesq") else: pesq = None if not flexible_numspk: assert len(ref_scp) == len(inf_scp), ref_scp num_spk = len(ref_scp) keys = [ line.rstrip().split(maxsplit=1)[0] for line in open(key_file, encoding="utf-8") ] ref_readers, ref_audio_format = get_readers(ref_scp, dtype) inf_readers, inf_audio_format = get_readers(inf_scp, dtype) # get sample rate retval = ref_readers[0][keys[0]] if ref_audio_format == "kaldi_ark": sample_rate = ref_readers[0].rate elif ref_audio_format == "sound": sample_rate = retval[0] else: raise NotImplementedError(ref_audio_format) assert sample_rate is not None, (sample_rate, ref_audio_format) # check keys if not flexible_numspk: for inf_reader, ref_reader in zip(inf_readers, ref_readers): assert inf_reader.keys() == ref_reader.keys() with DatadirWriter(output_dir) as writer: for n, key in enumerate(keys):"[{n}] Scoring {key}") if not flexible_numspk: ref_audios = [ read_audio(ref_reader, key, audio_format=ref_audio_format) for ref_reader in ref_readers ] inf_audios = [ read_audio(inf_reader, key, audio_format=inf_audio_format) for inf_reader in inf_readers ] else: ref_audios = [ read_audio(ref_reader, key, audio_format=ref_audio_format) for ref_reader in ref_readers if key in ref_reader.keys() ] inf_audios = [ read_audio(inf_reader, key, audio_format=inf_audio_format) for inf_reader in inf_readers if key in inf_reader.keys() ] ref = np.array(ref_audios) inf = np.array(inf_audios) if ref.ndim > inf.ndim: # multi-channel reference and single-channel output ref = ref[..., ref_channel] elif ref.ndim < inf.ndim: # single-channel reference and multi-channel output inf = inf[..., ref_channel] elif ref.ndim == inf.ndim == 3: # multi-channel reference and output ref = ref[..., ref_channel] inf = inf[..., ref_channel] if not flexible_numspk: assert ref.shape == inf.shape, (ref.shape, inf.shape) else: # epsilon value to avoid divergence # caused by zero-value, e.g., log(0) eps = 0.000001 # if num_spk of ref > num_spk of inf if ref.shape[0] > inf.shape[0]: p = np.full((ref.shape[0] - inf.shape[0], inf.shape[1]), eps) inf = np.concatenate([inf, p]) num_spk = ref.shape[0] # if num_spk of ref < num_spk of inf elif ref.shape[0] < inf.shape[0]: p = np.full((inf.shape[0] - ref.shape[0], ref.shape[1]), eps) ref = np.concatenate([ref, p]) num_spk = inf.shape[0] else: num_spk = ref.shape[0] sdr, sir, sar, perm = bss_eval_sources( ref, inf, compute_permutation=not is_tse ) for i in range(num_spk): stoi_score = stoi(ref[i], inf[int(perm[i])], fs_sig=sample_rate) estoi_score = stoi( ref[i], inf[int(perm[i])], fs_sig=sample_rate, extended=True ) si_snr_score = -float( si_snr_loss( torch.from_numpy(ref[i][None, ...]), torch.from_numpy(inf[int(perm[i])][None, ...]), ) ) if dnsmos: with torch.no_grad(): dnsmos_score = dnsmos(inf[int(perm[i])], sample_rate) writer[f"OVRL_spk{i + 1}"][key] = str(float(dnsmos_score["OVRL"])) writer[f"SIG_spk{i + 1}"][key] = str(float(dnsmos_score["SIG"])) writer[f"BAK_spk{i + 1}"][key] = str(float(dnsmos_score["BAK"])) writer[f"P808_MOS_spk{i + 1}"][key] = str( float(dnsmos_score["P808_MOS"]) ) if pesq: if sample_rate == 8000: mode = "nb" ref_ = ref[i] inf_ = inf[int(perm[i])] elif sample_rate == 16000: mode = "wb" ref_ = ref[i] inf_ = inf[int(perm[i])] elif sample_rate > 16000: mode = "wb" ref_ = librosa.resample( ref[i], orig_sr=sample_rate, target_sr=16000 ) inf_ = librosa.resample( inf[int(perm[i])], orig_sr=sample_rate, target_sr=16000 ) sample_rate = 16000 logging.warning( "The sample rate is higher than 16000 Hz. " "PESQ is calculated in the wideband mode and " "the signal is resampled to 16 kHz." ) else: raise ValueError( "sample rate must be 8000 or 16000 for PESQ evaluation, " f"but got {sample_rate}" ) pesq_score = pesq( sample_rate, ref_, inf_, mode=mode, on_error=PesqError.RETURN_VALUES, ) if pesq_score == PesqError.NO_UTTERANCES_DETECTED: logging.warning( f"[PESQ] Error: No utterances detected for {key}. " "Skipping this utterance." ) else: writer[f"PESQ_{mode.upper()}_spk{i + 1}"][key] = str(pesq_score) writer[f"STOI_spk{i + 1}"][key] = str(stoi_score * 100) # in percentage writer[f"ESTOI_spk{i + 1}"][key] = str(estoi_score * 100) writer[f"SI_SNR_spk{i + 1}"][key] = str(si_snr_score) writer[f"SDR_spk{i + 1}"][key] = str(sdr[i]) writer[f"SAR_spk{i + 1}"][key] = str(sar[i]) writer[f"SIR_spk{i + 1}"][key] = str(sir[i]) # save permutation assigned script file if i < len(ref_scp): if inf_audio_format == "sound": writer[f"wav_spk{i + 1}"][key] = inf_readers[perm[i]].data[key] elif inf_audio_format == "kaldi_ark": # NOTE: SegmentsExtractor is not supported writer[f"wav_spk{i + 1}"][key] = inf_readers[ perm[i] ].loader._dict[key] else: raise ValueError(f"Unknown audio format: {inf_audio_format}")
[docs]def get_parser(): parser = config_argparse.ArgumentParser( description="Frontend inference", formatter_class=argparse.ArgumentDefaultsHelpFormatter, ) # Note(kamo): Use '_' instead of '-' as separator. # '-' is confusing if written in yaml. parser.add_argument( "--log_level", type=lambda x: x.upper(), default="INFO", choices=("CRITICAL", "ERROR", "WARNING", "INFO", "DEBUG", "NOTSET"), help="The verbose level of logging", ) parser.add_argument("--output_dir", type=str, required=True) parser.add_argument( "--dtype", default="float32", choices=["float16", "float32", "float64"], help="Data type", ) group = parser.add_argument_group("Input data related") group.add_argument( "--ref_scp", type=str, required=True, action="append", ) group.add_argument( "--inf_scp", type=str, required=True, action="append", ) group.add_argument("--key_file", type=str) group.add_argument("--ref_channel", type=int, default=0) group.add_argument("--flexible_numspk", type=str2bool, default=False) group.add_argument("--is_tse", type=str2bool, default=False) group = parser.add_argument_group("DNSMOS related") group.add_argument("--use_dnsmos", type=str2bool, default=False) group.add_argument( "--dnsmos_mode", type=str, choices=("local", "web"), default="local", help="Use local DNSMOS model or web API for DNSMOS calculation", ) group.add_argument( "--dnsmos_auth_key", type=str, default="", help="Required if dnsmsos_mode='web'" ) group.add_argument( "--dnsmos_use_gpu", type=str2bool, default=False, help="used when dnsmsos_mode='local'", ) group.add_argument( "--dnsmos_convert_to_torch", type=str2bool, default=False, help="used when dnsmsos_mode='local'", ) group.add_argument( "--dnsmos_primary_model", type=str, default="./DNSMOS/sig_bak_ovr.onnx", help="Path to the primary DNSMOS model. Required if dnsmsos_mode='local'", ) group.add_argument( "--dnsmos_p808_model", type=str, default="./DNSMOS/model_v8.onnx", help="Path to the p808 model. Required if dnsmsos_mode='local'", ) group = parser.add_argument_group("PESQ related") group.add_argument( "--use_pesq", type=str2bool, default=False, help="Bebore setting this to True, please make sure that you or " "your institution have the license " "(check!Amd2/en) to report PESQ", ) return parser
[docs]def main(cmd=None): print(get_commandline_args(), file=sys.stderr) parser = get_parser() args = parser.parse_args(cmd) kwargs = vars(args) kwargs.pop("config", None) dnsmos_args = { "mode": kwargs.pop("dnsmos_mode"), "auth_key": kwargs.pop("dnsmos_auth_key"), "primary_model": kwargs.pop("dnsmos_primary_model"), "p808_model": kwargs.pop("dnsmos_p808_model"), "use_gpu": kwargs.pop("dnsmos_use_gpu"), "convert_to_torch": kwargs.pop("dnsmos_convert_to_torch"), } kwargs["dnsmos_args"] = dnsmos_args scoring(**kwargs)
if __name__ == "__main__": main()