In this book, you will learn how to efficiently use TensorFlow, Google's open source framework for deep learning. You will implement different deep learning networks such as Convolutional Neural Networks (CNNs), Recurrent Neural Networks (RNNs), Dee
语音识别LAS结构where d and y, are MLP networks. After training, the a; distribution Table 1: WER comparison on the clean and noisy Google voice
is typically very sharp and focuses on only a few frames of h; ci car
search task. The CLDNN-hMM system is the s
概述
语音识别是当前人工智能的比较热门的方向,技术也比较成熟,各大公司也相继推出了各自的语音助手机器人,如百度的小度机器人、阿里的天猫精灵等。语音识别算法当前主要是由RNN、LSTM、DNN-HMM等机器学习和深度学习技术做支撑。但训练这些模型的第一步就是将音频文件数据化,提取当中的语音特征。
MP3文件转化为WAV文件
录制音频文件的软件大多数都是以mp3格式输出的,但mp3格式文件对语音的压缩比例较重,因此首先利用ffmpeg将转化为wav原始文件有利于语音特征的提取。其转化代码如下:
f