嘉渊
2023-05-25 ca79f9c404e68fcb55a09200abbe8547474605fe
egs/wenetspeech/conformer/local/process_opus.py
@@ -16,14 +16,15 @@
# usage: python3 process_opus.py wav.scp segments output_wav.scp
from pydub import AudioSegment
import sys
import os
import sys
from pydub import AudioSegment
def read_file(wav_scp, segments):
    wav_scp_dict = {}
    with open(wav_scp, 'r', encoding='UTF-8') as fin:
    with open(wav_scp, "r", encoding="UTF-8") as fin:
        for line_str in fin:
            wav_id, path = line_str.strip().split()
            wav_scp_dict[wav_id] = path
@@ -32,7 +33,7 @@
    seg_path_list = []
    start_time_list = []
    end_time_list = []
    with open(segments, 'r', encoding='UTF-8') as fin:
    with open(segments, "r", encoding="UTF-8") as fin:
        for line_str in fin:
            arr = line_str.strip().split()
            assert len(arr) == 4
@@ -44,30 +45,27 @@
# TODO(Qijie): Fix the process logic
def output(output_wav_scp, utt_list, seg_path_list, start_time_list,
           end_time_list):
def output(output_wav_scp, utt_list, seg_path_list, start_time_list, end_time_list):
    num_utts = len(utt_list)
    step = int(num_utts * 0.01)
    with open(output_wav_scp, 'w', encoding='UTF-8') as fout:
    with open(output_wav_scp, "w", encoding="UTF-8") as fout:
        previous_wav_path = ""
        for i in range(num_utts):
            utt_id = utt_list[i]
            current_wav_path = seg_path_list[i]
            output_dir = (os.path.dirname(current_wav_path)) \
                .replace("audio", 'audio_seg')
            seg_wav_path = os.path.join(output_dir, utt_id + '.wav')
            output_dir = (os.path.dirname(current_wav_path)).replace(
                "audio", "audio_seg"
            )
            seg_wav_path = os.path.join(output_dir, utt_id + ".wav")
            # if not os.path.exists(output_dir):
            #     os.makedirs(output_dir)
            os.makedirs(output_dir, exist_ok=True)
            if current_wav_path != previous_wav_path:
                source_wav = AudioSegment.from_file(current_wav_path)
            previous_wav_path = current_wav_path
            start = int(start_time_list[i] * 1000)
            end = int(end_time_list[i] * 1000)
            target_audio = source_wav[start:end].set_frame_rate(16000) \
                .set_sample_width(2)
            target_audio = source_wav[start:end].set_frame_rate(16000)
            target_audio.export(seg_wav_path, format="wav")
            fout.write("{} {}\n".format(utt_id, seg_wav_path))
@@ -80,11 +78,11 @@
    segments = sys.argv[2]
    output_wav_scp = sys.argv[3]
    utt_list, seg_path_list, start_time_list, end_time_list \
        = read_file(wav_scp, segments)
    output(output_wav_scp, utt_list, seg_path_list, start_time_list,
           end_time_list)
    utt_list, seg_path_list, start_time_list, end_time_list = read_file(
        wav_scp, segments
    )
    output(output_wav_scp, utt_list, seg_path_list, start_time_list, end_time_list)
if __name__ == '__main__':
if __name__ == "__main__":
    main()