matplotlib 中的 figsize 没有改变图形大小

Question

load imports

import IPython.display as ipd
import librosa
import librosa.display
import matplotlib.pyplot as plt

read and plot audio

filename = 'C:/Users/adil/Desktop/PROJ 2/Udacity-ML-Capstone-master/UrbanSound Dataset sample/audio/103074-7-0-0.wav'
plt.figure(figsize=(12,4))
data,sample_rate = librosa.load(filename)
_ = librosa.display.waveplot(data,sr=sample_rate)
ipd.Audio(filename)

problem !!

NoBackendError Traceback (most recent call last) in 3 filename = 'C:/Users/adil/Desktop/PROJ 2/Udacity-ML-Capstone-master/UrbanSound Dataset sample/audio/103074-7-0-0.wav' 4 plt.figure(figsize=(12,4)) ----> 5 data,sample_rate = librosa.load(filename) 6 _ = librosa.display.waveplot(data,sr=sample_rate) 7 ipd.Audio(filename)

~\Anaconda3\lib\site-packages\librosa\core\audio.py in load(path, sr, mono, offset, duration, dtype, res_type) 110 111 y = [] --> 112 with audioread.audio_open(os.path.realpath(path)) as input_file: 113 sr_native = input_file.samplerate 114 n_channels = input_file.channels

~\Anaconda3\lib\site-packages\audioread_ init _.py in audio_open(path, backends) 114 115 # All backends failed! --> 116 raise NoBackendError()

NoBackendError:

Figure size 864x288 with 0 Axes

Answer 1

I finally solved the above problem by removing the:

data,sample_rate = librosa.load(filename)