报错'tuple' object has no attribute 'shape'原因是元组不可改变？应该怎么破？

Question

这是我的代码，是提取fbank特征的

代码如下：

# -*- coding: utf-8 -*-
#导入相关的库
from keras.models import Model
from keras.layers import Input, Activation, Conv1D, Lambda, Add, Multiply, BatchNormalization
from keras.optimizers import Adam, SGD
from keras import backend as K
from keras.callbacks import ModelCheckpoint, ReduceLROnPlateau

import numpy as np
import matplotlib.pyplot as plt
from mpl_toolkits.axes_grid1 import make_axes_locatable

import random
import pickle
import glob
from tqdm import tqdm
import os

from python_speech_features import fbank
import scipy.io.wavfile as wav
import librosa
from IPython.display import Audio



#读取数据集文件
text_paths = glob.glob('E:\叶儿\课程课程\毕设\data2try/*.trn')
total = len(text_paths)
print(total)

with open(text_paths[0], 'r', encoding='utf8') as fr:
    lines = fr.readlines()
    print(lines)



#数据集文件trn内容读取保存到数组中
texts = []
paths = []
for path in text_paths:
    with open(path, 'r', encoding='utf8') as fr:
        lines = fr.readlines()
        line = lines[0].strip('\n').replace(' ', '')
        texts.append(line)
        paths.append(path.rstrip('.trn'))

print(paths[0], texts[0])





#根据数据集标定的音素读入
def load_and_trim(path):
    audio, sr = librosa.load(path)
    energy = librosa.feature.rms(audio)
    frames = np.nonzero(energy >= np.max(energy) / 5)
    indices = librosa.core.frames_to_samples(frames)[1]
    audio = audio[indices[0]:indices[-1]] if indices.size else audio[0:0]

    return audio, sr

#可视化，显示语音文件的Fbank图
def visualize(index):
    path = paths[index]
    text = texts[index]
    print('Audio Text:', text)

    audio, sr = load_and_trim(path)
    plt.figure(figsize=(12, 3))
    plt.plot(np.arange(len(audio)), audio)
    plt.title('Raw Audio Signal')
    plt.xlabel('Time')
    plt.ylabel('Audio Amplitude')
    plt.show()

    feature = fbank(audio, sr,nfft=512)
    print('Shape of Fbank:', feature.shape)

就是最后一行代码有报错，报错如下：

File "", line 91, in
Audio(visualize(0))

File "", line 76, in visualize
print('Shape of Fbank:', feature.shape)

AttributeError: 'tuple' object has no attribute 'shape'

这个no attribute 要怎么办啊？

Answer 1

我破了这个报错了家人们！！
我看了一下fbank函数的解释，fbank的函数返回是个元组，这个元组应该是有俩元素，一个是特征向量一个是每一帧的对数能量。我把fbank函数全换成logfbank函数就行啦！因为logfbank函数返回的只有一个特征向量！