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- #!/usr/bin/env python
- # -*- encoding: utf-8 -*-
- '''
- @Contact : liuyuqi.gov@msn.cn
- @Time : 2025/03/18 13:45:29
- @License : Copyright © 2017-2022 liuyuqi. All Rights Reserved.
- @Desc :
- 批量把音频转换为abc乐谱格式
- pip install pydub music21
- apt-get update
- apt-get install ffmpeg
- '''
- import os
- from pydub import AudioSegment
- from music21 import *
- def audio_to_score(audio_file_path):
- try:
- # 读取音频文件
- audio = AudioSegment.from_file(audio_file_path)
- # 这里可以添加更复杂的音频特征提取逻辑，例如音高检测等
- # 为了简化示例，我们假设已经提取到了音高和节奏信息
- # 这里简单创建一个简单的音符序列
- s = stream.Stream()
- # 添加一个 C4 音符，持续时间为 1 拍
- n = note.Note('C4', quarterLength=1)
- s.append(n)
- return s
- except Exception as e:
- print(f"音频转换为乐谱时出现错误: {e}")
- return None
- def batch_audio_to_score(input_folder, output_folder):
- # 确保输出文件夹存在
- os.makedirs(output_folder, exist_ok=True)
- # 遍历输入文件夹中的所有文件
- for root, dirs, files in os.walk(input_folder):
- for file in files:
- if file.endswith(('.mp3', '.wav', '.ogg')):
- audio_file_path = os.path.join(root, file)
- score = audio_to_score(audio_file_path)
- if score:
- # 生成输出文件路径
- output_file_name = os.path.splitext(file)[0] + '.midi'
- output_file_path = os.path.join(output_folder, output_file_name)
- # 保存乐谱
- score.write('midi', fp=output_file_path)
- print(f"已将 {audio_file_path} 转换为 {output_file_path}")
- if __name__ == "__main__":
- input_folder = 'your_input_audio_folder'
- output_folder = 'your_output_score_folder'
- batch_audio_to_score(input_folder, output_folder)
-
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