使用 SpeechRecognition 讀取音訊檔案

Python 的口語語言處理

Daniel Bourke

Machine Learning Engineer/YouTube Creator

AudioFile 類別

import speech_recognition as sr

# Setup recognizer instance
recognizer = sr.Recognizer()

# Read in audio file
clean_support_call = sr.AudioFile("clean-support-call.wav")

# Check type of clean_support_call
type(clean_support_call)

<class 'speech_recognition.AudioFile'>

從 AudioFile 到 AudioData

recognizer.recognize_google(audio_data=clean_support_call)

AssertionError: ``audio_data`` must be audio data

# Convert from AudioFile to AudioData
with clean_support_call as source:

    # Record the audio
    clean_support_call_audio = recognizer.record(source)

# Check the type
type(clean_support_call_audio)

<class 'speech_recognition.AudioData'>

轉錄 AudioData

# Transcribe clean support call
recognizer.recognize_google(audio_data=clean_support_call_audio)

hello I'd like to get some help setting up my account please

duration 與 offset

duration 與 offset 預設皆為 None

# 使用預設的 duration 與 offset
with clean_support_call as source:
    clean_support_call_audio = recognizer.record(source,
                                                 duration=None,
                                                 offset=None)

# 擷取前 2 秒音訊
with clean_support_call as source:
    clean_support_call_audio = recognizer.record(source,
                                                 duration=2.0)

hello I'd like to get

一起來練習吧！

Python 的口語語言處理