以下是绘制音频波形的基本代码示例: importlibrosaimportmatplotlib.pyplotasplt# 加载音频文件defload_audio(file_path):audio,sr=librosa.load(file_path)returnaudio,sr# 绘制波形defplot_waveform(audio,sr):plt.figure(figsize=(10,4))plt.p
# 创建时间轴time=np.arange(0,params.nframes)/params.framerate# 绘制波形图plt.plot(time,audio_data,color='b')plt.xlabel('Time (s)')plt.ylabel('Amplitude')plt.title('Audio Waveform')plt.grid(True)plt.show() 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 上述代码将创建一个时间轴,并使用提...
step = waveform.shape[0] // spectrogram.shape[0] if waveform.shape[0] % spectrogram.shape[0] == 0: return step return step + 1 fig, axes = plt.subplots(2, figsize=(12, 8)) timescale = np.arange(waveform.shape[0]) axes[0].plot(timescale, waveform.numpy()) axes[0].set_title...
1import matplotlib.pyplot as plt2import librosa34def plot_waveform(audio_path)：5 y， sr = librosa.load(audio_path)6 plt.figure(figsize=(12， 4))7 librosa.display.waveshow(y， sr=sr)8 plt.title('音频波形图')9 plt.savefig('waveform.png')视频添加水印 给视频加个水印，防...
plot(audio_data*500) update_plot(audio_data) # wave_output_file.writeframes(audio_data) except KeyboardInterrupt: breakdisplay_audio_waveform()stream.stop_stream()stream.close()audio.terminate()wave_output_file.close()print('Audio saved to', WAVE_OUTPUT_FILENAME)
ipd.Audio(audio_path) 然后返回jupyter笔记本中的音频小部件,如下图所示,这个小部件在这里不起作用,但它可以在你的笔记本中使用,你甚至可以使用mp3或WMA格式作为音频示例。 可视化音频 波形 我们可以绘制音频数组librosa.display.waveplot: %matplotlib inline ...
(CHUNK), dtype=np.int16) # update_plot(audio_data*500) update_plot(audio_data) # wave_output_file.writeframes(audio_data) except KeyboardInterrupt: break display_audio_waveform() stream.stop_stream() stream.close() audio.terminate() wave_output_file.close() print('Audio saved to', WAVE...
Plot a Static Waveform Using Matplotlib Read a Slice of Audio Frames Process Large WAV Files in Python Efficiently Animate the Waveform Graph in Real Time Show a Real-Time Spectrogram Visualization Record an Internet Radio Station as a WAV File Widen the Stereo Field of a WAV File Conclusion Ma...
plottingWaveform.py"""importwaveimportpylab as plimportnumpy as npprint('working')#打开wav文档file = wave.open(r"mic4.wav","rb")#读取格式信息#(nchannels, sampwidth,framerate, nframes, comptype, compname)params =file.getparams() nchannels,sampwidth,framerate,nframes= params[:4]#读取波形数...
「Waveform Audio File Format(WAVE,又或者是因为扩展名而被大众所知的WAV),是微软与IBM公司所开发在个人电脑存储音频流的编码格式,在Windows平台的应用软件受到广泛的支持,地位上类似于麦金塔电脑里的AIFF.此格式属于资源交换档案格式(RIFF)的应用之一,通常会将采用脉冲编码调制的音频资存储在区块中。也是其音乐发烧友...