Update README.md
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README.md
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@@ -6,120 +6,4 @@ configs:
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path:
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- "*.wav"
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- "metadata.csv"
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---
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<!--
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from pydub import AudioSegment
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import os
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import re
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from datetime import timedelta
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def process_audio_with_srt(wav_path, srt_path, output_folder, max_duration_sec=10):
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"""
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根据SRT字幕分割WAV音频文件,并合并相邻片段
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参数:
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wav_path: 输入WAV文件路径
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srt_path: 输入SRT字幕文件路径
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output_folder: 输出文件夹路径
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max_duration_sec: 最大合并时长(秒)
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返回:
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无,直接生成分割后的WAV和TXT文件
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"""
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# 创建输出文件夹
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os.makedirs(output_folder, exist_ok=True)
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# 解析SRT文件
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def parse_srt(srt_content):
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pattern = r'(\d+)\n(\d{2}:\d{2}:\d{2},\d{3}) --> (\d{2}:\d{2}:\d{2},\d{3})\n([\s\S]*?)\n\n'
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matches = re.findall(pattern, srt_content + '\n\n')
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segments = []
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for match in matches:
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idx, start, end, text = match
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# 清理文本中的多余空格和换行
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text = ' '.join(text.strip().splitlines())
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segments.append({
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'index': int(idx),
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'start': start.replace(',', '.'),
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'end': end.replace(',', '.'),
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'text': text
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})
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return segments
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# 时间字符串转毫秒
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def time_str_to_ms(time_str):
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h, m, s = time_str.split(':')
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s, ms = s.split('.')
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return int(timedelta(
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hours=int(h),
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minutes=int(m),
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seconds=int(s),
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milliseconds=int(ms)
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).total_seconds() * 1000)
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# 读取并解析SRT文件
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with open(srt_path, 'r', encoding='utf-8') as f:
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srt_content = f.read()
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segments = parse_srt(srt_content)
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# 加载音频文件
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audio = AudioSegment.from_wav(wav_path)
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# 分割并合并相邻片段
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merged_segments = []
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current_group = []
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current_duration = 0
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for seg in segments:
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start_ms = time_str_to_ms(seg['start'])
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end_ms = time_str_to_ms(seg['end'])
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duration_ms = end_ms - start_ms
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# 检查是否需要新建合并组
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if current_duration + duration_ms > max_duration_sec * 1000 and current_group:
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merged_segments.append(current_group)
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current_group = [seg]
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current_duration = duration_ms
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else:
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current_group.append(seg)
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current_duration += duration_ms
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if current_group:
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merged_segments.append(current_group)
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# 生成输出文件
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for i, group in enumerate(merged_segments):
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# 计算合并片段的起止时间
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start_ms = time_str_to_ms(group[0]['start'])
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end_ms = time_str_to_ms(group[-1]['end'])
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# 提取音频片段
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segment_audio = audio[start_ms:end_ms]
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# 合并文本
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merged_text = '\n'.join([seg['text'] for seg in group])
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# 生成文件名(按字典序)
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filename = f"segment_{i:04d}"
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wav_output = os.path.join(output_folder, f"{filename}.wav")
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txt_output = os.path.join(output_folder, f"{filename}.txt")
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# 保存文件
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segment_audio.export(wav_output, format="wav")
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with open(txt_output, 'w', encoding='utf-8') as f:
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f.write(merged_text)
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print(f"处理完成! 共生成 {len(merged_segments)} 个合并片段")
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# 使用示例
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process_audio_with_srt(
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wav_path="Wang_Leehom_Music_Class_Wav/[P01]1-1呼吸与声音的健康.wav",
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srt_path="Wang_Leehom_Music_Class_Wav/[P01]1-1呼吸与声音的健康.srt",
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output_folder="output_segments",
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max_duration_sec=15 # 合并最长15秒的相邻片段
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)
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-->
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path:
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- "*.wav"
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- "metadata.csv"
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