用PocketSphinx写一个能够将m4a声音文件转成文字的python程序
时间: 2023-10-05 14:09:11 浏览: 52
使用PocketSphinx将m4a声音文件转成文字的python程序需要用到PocketSphinx和pydub两个module,具体实现步骤如下:
1. 安装PocketSphinx和pydub module
```python
pip install pocketsphinx
pip install pydub
```
2. 导入module
```python
from pydub import AudioSegment
from pocketsphinx import LiveSpeech
import os
```
3. 使用pydub将m4a文件转换为wav格式
```python
sound = AudioSegment.from_file("example.m4a", format="m4a")
sound.export("example.wav", format="wav")
```
4. 使用PocketSphinx进行语音识别
```python
speech = LiveSpeech(audio_device="hw:0,0", verbose=False, sampling_rate=16000)
with open("example.txt", "w") as file:
for phrase in speech:
file.write(str(phrase))
```
完整代码如下:
```python
from pydub import AudioSegment
from pocketsphinx import LiveSpeech
import os
sound = AudioSegment.from_file("example.m4a", format="m4a")
sound.export("example.wav", format="wav")
speech = LiveSpeech(audio_device="hw:0,0", verbose=False, sampling_rate=16000)
with open("example.txt", "w") as file:
for phrase in speech:
file.write(str(phrase))
```
需要注意的是,这个程序需要保证m4a文件和python程序在同一个文件夹下,并且需要先在电脑上安装好PocketSphinx所需的语言模型(比如英文语言模型en-us)才能进行语音识别。