目录

不错的功能介绍

librosa安装

语音识别

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不错的功能介绍

librosa，一个很有趣的 Python 库！ - 简书

音频转特征向量

GitHub - librosa/librosa: Python library for audio and music analysis

librosa安装

2024.04.27 测试ok Win11系统

pip install librosa

import osimport numpy as np
from transformers import Wav2Vec2Processor, Wav2Vec2Model
import torchimport librosadef load_example_input(audio_path, processor=None):if processor is None:processor = Wav2Vec2Processor.from_pretrained("facebook/wav2vec2-base-960h")speech_array, sampling_rate = librosa.load(os.path.join(audio_path), sr=16000)audio_feature = np.squeeze(processor(speech_array, sampling_rate=sampling_rate).input_values)audio_feature = np.reshape(audio_feature, (-1, audio_feature.shape[0]))return torch.FloatTensor(audio_feature)audio_path=r'demo/wav/man.wav'load_example_input(audio_path)

语音识别

pip install SpeechRecognition

pip install pyaudio

import librosa
import speech_recognition as sr# 录制音频
r = sr.Recognizer()
with sr.Microphone() as source:print("请开始说话...")audio = r.listen(source)# 将音频转换为文本
try:text = r.recognize_google(audio)print("识别结果：", text)
except sr.UnknownValueError:print("无法识别音频")
except sr.RequestError as e:print(f"请求出错：{e}")