{"id":1108459,"date":"2025-01-08T17:00:32","date_gmt":"2025-01-08T09:00:32","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1108459.html"},"modified":"2025-01-08T17:00:36","modified_gmt":"2025-01-08T09:00:36","slug":"python%e5%a6%82%e4%bd%95%e5%8a%a0%e8%bd%bd%e4%b8%80%e6%ae%b5%e9%9f%b3%e9%a2%91%e6%96%87%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1108459.html","title":{"rendered":"python\u5982\u4f55\u52a0\u8f7d\u4e00\u6bb5\u97f3\u9891\u6587\u4ef6"},"content":{"rendered":"

\"python\u5982\u4f55\u52a0\u8f7d\u4e00\u6bb5\u97f3\u9891\u6587\u4ef6\"<\/p>\n

Python\u52a0\u8f7d\u97f3\u9891\u6587\u4ef6\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5e38\u89c1\u7684\u5305\u62ec\u4f7f\u7528\u5e93\u5982librosa<\/code>\u3001pydub<\/code>\u3001wave<\/code>\u3001scipy.io.wavfile<\/code>\u3001soundfile<\/code>\u7b49\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u7279\u70b9\u548c\u5e94\u7528\u573a\u666f\uff0c\u4f8b\u5982\uff0clibrosa<\/code>\u9002\u7528\u4e8e\u97f3\u9891\u5206\u6790\u3001pydub<\/code>\u9002\u7528\u4e8e\u97f3\u9891\u5904\u7406\u3001wave<\/code>\u548cscipy.io.wavfile<\/code>\u9002\u7528\u4e8eWAV\u6587\u4ef6\u64cd\u4f5c\u3001soundfile<\/code>\u5219\u652f\u6301\u591a\u79cd\u97f3\u9891\u683c\u5f0f\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528\u8fd9\u4e9b\u5e93\u52a0\u8f7d\u97f3\u9891\u6587\u4ef6\uff0c\u5e76\u63d0\u4f9b\u793a\u4f8b\u4ee3\u7801\u3002<\/strong><\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528librosa\u52a0\u8f7d\u97f3\u9891\u6587\u4ef6<\/p>\n<\/p>\n

librosa<\/code> \u662f\u4e00\u4e2a\u5f3a\u5927\u7684Python\u5e93\uff0c\u5e7f\u6cdb\u7528\u4e8e\u97f3\u9891\u548c\u97f3\u4e50\u5206\u6790\u3002\u5b83\u53ef\u4ee5\u8f7b\u677e\u52a0\u8f7d\u548c\u5904\u7406\u97f3\u9891\u6587\u4ef6\uff0c\u5e76\u4e14\u652f\u6301\u591a\u79cd\u97f3\u9891\u683c\u5f0f\u3002<\/p>\n<\/p>\n

import librosa<\/p>\n
\u52a0\u8f7d\u97f3\u9891\u6587\u4ef6<\/strong><\/h2>\n
file_path = 'path\/to\/your\/audiofile.wav'<\/p>\n
y, sr = librosa.load(file_path)<\/p>\n
print(f"Audio time series: {y}")<\/p>\n
print(f"Sample rate: {sr}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0clibrosa.load<\/code>\u51fd\u6570\u4f1a\u8fd4\u56de\u4e24\u4e2a\u503c\uff1a\u97f3\u9891\u65f6\u95f4\u5e8f\u5217y<\/code>\u548c\u91c7\u6837\u7387sr<\/code>\u3002\u97f3\u9891\u65f6\u95f4\u5e8f\u5217\u662f\u4e00\u4e2a\u4e00\u7ef4\u7684NumPy\u6570\u7ec4\uff0c\u8868\u793a\u97f3\u9891\u4fe1\u53f7\u7684\u632f\u5e45\u503c\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528pydub\u52a0\u8f7d\u97f3\u9891\u6587\u4ef6<\/p>\n<\/p>\n
pydub<\/code> \u662f\u4e00\u4e2a\u7528\u4e8e\u97f3\u9891\u5904\u7406\u7684\u5e93\uff0c\u5b83\u652f\u6301\u591a\u79cd\u97f3\u9891\u683c\u5f0f\uff0c\u5305\u62ecMP3\u3001WAV\u3001OGG\u7b49\u3002pydub<\/code> \u63d0\u4f9b\u4e86\u7b80\u5355\u7684\u63a5\u53e3\u6765\u52a0\u8f7d\u548c\u64cd\u4f5c\u97f3\u9891\u6587\u4ef6\u3002<\/p>\n<\/p>\n
from pydub import AudioSegment<\/p>\n
\u52a0\u8f7d\u97f3\u9891\u6587\u4ef6<\/strong><\/h2>\n
file_path = 'path\/to\/your\/audiofile.mp3'<\/p>\n
audio = AudioSegment.from_file(file_path)<\/p>\n
print(f"Audio duration: {len(audio)} milliseconds")<\/p>\n
print(f"Channels: {audio.channels}")<\/p>\n
print(f"Frame rate: {audio.frame_rate}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0cAudioSegment.from_file<\/code>\u51fd\u6570\u4f1a\u8fd4\u56de\u4e00\u4e2aAudioSegment<\/code>\u5bf9\u8c61\uff0c\u5305\u542b\u97f3\u9891\u6587\u4ef6\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u5982\u6301\u7eed\u65f6\u95f4\u3001\u901a\u9053\u6570\u548c\u5e27\u7387\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528wave\u52a0\u8f7dWAV\u6587\u4ef6<\/p>\n<\/p>\n
wave<\/code> \u662fPython\u6807\u51c6\u5e93\u4e2d\u7684\u4e00\u4e2a\u6a21\u5757\uff0c\u7528\u4e8e\u8bfb\u53d6\u548c\u5199\u5165WAV\u683c\u5f0f\u7684\u97f3\u9891\u6587\u4ef6\u3002\u867d\u7136\u5b83\u53ea\u80fd\u5904\u7406WAV\u6587\u4ef6\uff0c\u4f46\u5b83\u662f\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u7684\u9009\u62e9\u3002<\/p>\n<\/p>\n
import wave<\/p>\n
\u6253\u5f00\u97f3\u9891\u6587\u4ef6<\/strong><\/h2>\n
file_path = 'path\/to\/your\/audiofile.wav'<\/p>\n
with wave.open(file_path, 'rb') as wf:<\/p>\n
    # \u83b7\u53d6\u97f3\u9891\u6587\u4ef6\u7684\u53c2\u6570<\/p>\n
    n_channels = wf.getnchannels()<\/p>\n
    sample_width = wf.getsampwidth()<\/p>\n
    frame_rate = wf.getframerate()<\/p>\n
    n_frames = wf.getnframes()<\/p>\n
    print(f"Channels: {n_channels}")<\/p>\n
    print(f"Sample width: {sample_width} bytes")<\/p>\n
    print(f"Frame rate: {frame_rate} Hz")<\/p>\n
    print(f"Number of frames: {n_frames}")<\/p>\n
    # \u8bfb\u53d6\u97f3\u9891\u6570\u636e<\/p>\n
    audio_data = wf.readframes(n_frames)<\/p>\n
    print(f"Audio data: {audio_data[:10]}")  # \u6253\u5370\u524d10\u4e2a\u5b57\u8282<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528wave.open<\/code>\u51fd\u6570\u6253\u5f00\u4e00\u4e2aWAV\u6587\u4ef6\uff0c\u5e76\u83b7\u53d6\u97f3\u9891\u6587\u4ef6\u7684\u53c2\u6570\uff0c\u5982\u901a\u9053\u6570\u3001\u91c7\u6837\u5bbd\u5ea6\u3001\u5e27\u7387\u548c\u5e27\u6570\u3002\u7136\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528readframes<\/code>\u65b9\u6cd5\u8bfb\u53d6\u97f3\u9891\u6570\u636e\u3002<\/p>\n<\/p>\n
\u56db\u3001\u4f7f\u7528scipy.io.wavfile\u52a0\u8f7dWAV\u6587\u4ef6<\/p>\n<\/p>\n
scipy.io.wavfile<\/code> \u662fSciPy<\/code>\u5e93\u4e2d\u7684\u4e00\u4e2a\u6a21\u5757\uff0c\u7528\u4e8e\u8bfb\u53d6\u548c\u5199\u5165WAV\u683c\u5f0f\u7684\u97f3\u9891\u6587\u4ef6\u3002\u5b83\u63d0\u4f9b\u4e86\u7b80\u5355\u7684\u63a5\u53e3\u6765\u52a0\u8f7dWAV\u6587\u4ef6\uff0c\u5e76\u8fd4\u56de\u97f3\u9891\u6570\u636e\u548c\u91c7\u6837\u7387\u3002<\/p>\n<\/p>\n
from scipy.io import wavfile<\/p>\n
\u52a0\u8f7d\u97f3\u9891\u6587\u4ef6<\/strong><\/h2>\n
file_path = 'path\/to\/your\/audiofile.wav'<\/p>\n
sample_rate, audio_data = wavfile.read(file_path)<\/p>\n
print(f"Sample rate: {sample_rate}")<\/p>\n
print(f"Audio data: {audio_data[:10]}")  # \u6253\u5370\u524d10\u4e2a\u6837\u672c<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0cwavfile.read<\/code>\u51fd\u6570\u4f1a\u8fd4\u56de\u4e24\u4e2a\u503c\uff1a\u91c7\u6837\u7387\u548c\u97f3\u9891\u6570\u636e\u3002\u97f3\u9891\u6570\u636e\u662f\u4e00\u4e2aNumPy\u6570\u7ec4\uff0c\u8868\u793a\u97f3\u9891\u4fe1\u53f7\u7684\u632f\u5e45\u503c\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528soundfile\u52a0\u8f7d\u97f3\u9891\u6587\u4ef6<\/p>\n<\/p>\n
soundfile<\/code> \u662f\u4e00\u4e2a\u7528\u4e8e\u8bfb\u53d6\u548c\u5199\u5165\u97f3\u9891\u6587\u4ef6\u7684\u5e93\uff0c\u652f\u6301\u591a\u79cd\u97f3\u9891\u683c\u5f0f\uff0c\u5305\u62ecWAV\u3001FLAC\u3001OGG\u7b49\u3002\u5b83\u63d0\u4f9b\u4e86\u7075\u6d3b\u7684\u63a5\u53e3\u6765\u52a0\u8f7d\u548c\u64cd\u4f5c\u97f3\u9891\u6587\u4ef6\u3002<\/p>\n<\/p>\n
import soundfile as sf<\/p>\n
\u52a0\u8f7d\u97f3\u9891\u6587\u4ef6<\/strong><\/h2>\n
file_path = 'path\/to\/your\/audiofile.wav'<\/p>\n
audio_data, sample_rate = sf.read(file_path)<\/p>\n
print(f"Sample rate: {sample_rate}")<\/p>\n
print(f"Audio data: {audio_data[:10]}")  # \u6253\u5370\u524d10\u4e2a\u6837\u672c<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0csf.read<\/code>\u51fd\u6570\u4f1a\u8fd4\u56de\u4e24\u4e2a\u503c\uff1a\u97f3\u9891\u6570\u636e\u548c\u91c7\u6837\u7387\u3002\u97f3\u9891\u6570\u636e\u662f\u4e00\u4e2aNumPy\u6570\u7ec4\uff0c\u8868\u793a\u97f3\u9891\u4fe1\u53f7\u7684\u632f\u5e45\u503c\u3002<\/p>\n<\/p>\n
\u516d\u3001\u6bd4\u8f83\u4e0d\u540c\u65b9\u6cd5\u7684\u4f18\u7f3a\u70b9<\/p>\n<\/p>\n
\u4e0d\u540c\u7684\u65b9\u6cd5\u6709\u5404\u81ea\u7684\u4f18\u7f3a\u70b9\uff0c\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n<\/p>\n
    \n
  1. librosa<\/strong>\uff1a\u529f\u80fd\u5f3a\u5927\uff0c\u9002\u7528\u4e8e\u97f3\u9891\u5206\u6790\u548c\u5904\u7406\uff0c\u4f46\u4f9d\u8d56\u8f83\u591a\uff0c\u5b89\u88c5\u53ef\u80fd\u6bd4\u8f83\u9ebb\u70e6\u3002<\/li>\n
  2. pydub<\/strong>\uff1a\u652f\u6301\u591a\u79cd\u97f3\u9891\u683c\u5f0f\uff0c\u9002\u7528\u4e8e\u97f3\u9891\u5904\u7406\u548c\u8f6c\u6362\uff0c\u4f46\u4f9d\u8d56\u4e8effmpeg<\/code>\u6216avlib<\/code>\u3002<\/li>\n
  3. wave<\/strong>\uff1a\u8f7b\u91cf\u7ea7\uff0c\u9002\u7528\u4e8e\u7b80\u5355\u7684WAV\u6587\u4ef6\u64cd\u4f5c\uff0c\u4f46\u53ea\u652f\u6301WAV\u683c\u5f0f\u3002<\/li>\n
  4. scipy.io.wavfile<\/strong>\uff1a\u7b80\u5355\u6613\u7528\uff0c\u9002\u7528\u4e8eWAV\u6587\u4ef6\u52a0\u8f7d\uff0c\u4f46\u529f\u80fd\u8f83\u4e3a\u6709\u9650\u3002<\/li>\n
  5. soundfile<\/strong>\uff1a\u652f\u6301\u591a\u79cd\u97f3\u9891\u683c\u5f0f\uff0c\u9002\u7528\u4e8e\u7075\u6d3b\u7684\u97f3\u9891\u5904\u7406\uff0c\u4f46\u4f9d\u8d56\u4e8elibsndfile<\/code>\u3002<\/li>\n<\/ol>\n
    \u7efc\u4e0a\u6240\u8ff0\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u5e94\u7528\u9700\u6c42\u3002\u5982\u679c\u9700\u8981\u8fdb\u884c\u97f3\u9891\u5206\u6790\uff0c\u63a8\u8350\u4f7f\u7528librosa<\/code>\uff1b\u5982\u679c\u9700\u8981\u5904\u7406\u591a\u79cd\u97f3\u9891\u683c\u5f0f\uff0c\u63a8\u8350\u4f7f\u7528pydub<\/code>\u6216soundfile<\/code>\uff1b\u5982\u679c\u53ea\u9700\u8981\u7b80\u5355\u5730\u52a0\u8f7dWAV\u6587\u4ef6\uff0cwave<\/code>\u548cscipy.io.wavfile<\/code>\u90fd\u662f\u4e0d\u9519\u7684\u9009\u62e9\u3002<\/p>\n<\/p>\n
    \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
     \u5982\u4f55\u5728Python\u4e2d\u9009\u62e9\u9002\u5408\u7684\u97f3\u9891\u6587\u4ef6\u683c\u5f0f\u8fdb\u884c\u52a0\u8f7d\uff1f<\/strong>
    \u5728Python\u4e2d\u52a0\u8f7d\u97f3\u9891\u6587\u4ef6\u65f6\uff0c\u9009\u62e9\u5408\u9002\u7684\u6587\u4ef6\u683c\u5f0f\u81f3\u5173\u91cd\u8981\u3002\u5e38\u89c1\u7684\u97f3\u9891\u683c\u5f0f\u5305\u62ecWAV\u3001MP3\u3001FLAC\u7b49\u3002WAV\u6587\u4ef6\u901a\u5e38\u65e0\u635f\uff0c\u9002\u5408\u9ad8\u8d28\u91cf\u97f3\u9891\u5904\u7406\uff0c\u4f46\u6587\u4ef6\u8f83\u5927\uff1bMP3\u6587\u4ef6\u5219\u538b\u7f29\u6548\u679c\u597d\uff0c\u9002\u5408\u6d41\u5a92\u4f53\u5e94\u7528\u3002\u9009\u62e9\u65f6\u8981\u8003\u8651\u97f3\u9891\u8d28\u91cf\u3001\u6587\u4ef6\u5927\u5c0f\u4ee5\u53ca\u540e\u7eed\u5904\u7406\u9700\u6c42\u3002<\/p>\n
    \u4f7f\u7528\u54ea\u4e9b\u5e93\u53ef\u4ee5\u6709\u6548\u52a0\u8f7d\u97f3\u9891\u6587\u4ef6\uff1f<\/strong>
    \u5728Python\u4e2d\uff0c\u6709\u51e0\u4e2a\u6d41\u884c\u7684\u5e93\u53ef\u4ee5\u7528\u6765\u52a0\u8f7d\u97f3\u9891\u6587\u4ef6\u3002librosa<\/code>\u548cpydub<\/code>\u662f\u5e38\u7528\u7684\u97f3\u9891\u5904\u7406\u5e93\uff0c\u524d\u8005\u9002\u5408\u97f3\u9891\u5206\u6790\uff0c\u540e\u8005\u5219\u6613\u4e8e\u64cd\u4f5c\u97f3\u9891\u6587\u4ef6\u3002soundfile<\/code>\u5e93\u4e5f\u80fd\u9ad8\u6548\u5730\u8bfb\u53d6\u548c\u5199\u5165\u97f3\u9891\u6570\u636e\u3002\u6b64\u5916\uff0cwave<\/code>\u5e93\u4e13\u95e8\u7528\u4e8e\u5904\u7406WAV\u6587\u4ef6\uff0c\u63d0\u4f9b\u4e86\u7b80\u6d01\u7684\u63a5\u53e3\u3002<\/p>\n
    \u52a0\u8f7d\u97f3\u9891\u6587\u4ef6\u540e\uff0c\u5982\u4f55\u8fdb\u884c\u57fa\u672c\u7684\u97f3\u9891\u5904\u7406\uff1f<\/strong>
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