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HomeBackend DevelopmentPython TutorialUse Python programming to implement Baidu speech recognition interface docking so that the program can understand your voice

Use Python programming to implement Baidu speech recognition interface docking so that the program can understand your voice

Baidu speech recognition interface docking to achieve voice recognition

Introduction:
With the rapid development of artificial intelligence technology, speech recognition has become a very important technology . Baidu speech recognition interface is a relatively well-known and easy-to-use speech recognition tool in China. Through this interface, we can convert sounds into text. This article will introduce how to use Python programming to implement Baidu speech recognition interface docking, so that the program can understand our voices.

1. Create a Baidu account and obtain an API key
Before we begin, we first need to register an account on the Baidu Cloud Platform and create an application. Then, we can obtain the corresponding API key, which will be used for authentication of the program docking with the Baidu speech recognition interface. The specific steps are as follows:

  1. Visit the official website of Baidu Cloud Platform (https://console.bce.baidu.com/), register an account and log in.
  2. On the console page, select "Artificial Intelligence" -> "Application List" in the left menu bar, and click "Create Application".
  3. In the pop-up dialog box, fill in the application name and select the speech recognition service, and click "Create".
  4. In the application details page, find the "Application ID" and "API Key", which will be used as the credentials for the program to connect to the Baidu speech recognition interface.

2. Install the Python library
Before we start programming, we need to install the corresponding Python library first. In this example, we will use the Python SDK library provided by Baidu - baidu-aip library. You can install it through the following command:
pip install baidu-aip

3. Write code
The following is a simple Python code example to realize the docking function of Baidu speech recognition interface. In the code example, we need to pass in the Baidu Cloud API key and corresponding configuration information. Among them, it should be noted that "API Key" and "Secret Key" need to be replaced with the Baidu Cloud API key you applied for.

from aip import AipSpeech

# 百度云API密钥
APP_ID = 'your_app_id'
API_KEY = 'your_api_key'
SECRET_KEY = 'your_secret_key'

# 创建语音识别客户端对象
client = AipSpeech(APP_ID, API_KEY, SECRET_KEY)

# 配置信息
FORMAT = 'pcm'  # 语音文件格式
RATE = 16000  # 采样率
CUID = 'your_cuid'  # 用户唯一标识

# 读取音频文件
def get_file_content(filepath):
    with open(filepath, 'rb') as fp:
        return fp.read()

# 语音识别
def speech_recognition(filepath):
    # 读取音频文件
    speech = get_file_content(filepath)
    # 调用百度语音识别接口
    result = client.asr(speech, FORMAT, RATE, {'dev_pid': '1536', 'cuid': CUID})
    # 返回识别结果
    if 'result' in result.keys():
        return result['result'][0]
    else:
        return '识别失败'

# 测试语音识别功能
if __name__ == '__main__':
    filepath = 'path_to_your_audio_file'  # 音频文件路径
    result = speech_recognition(filepath)
    print(result)

The above code implements the speech recognition function. Among them, we first imported Baidu AI speech recognition library-baidu-aip library. Then, we created a speech recognition client object and set the format, sampling rate and user unique identification of the audio file in the configuration information. In the speech_recognition function, we recognize the audio file by calling the client.asr method and return the final recognition result.

4. Run the code
After pasting the code into your Python programming environment, you need to set the correct API key and audio file path. You can then run the code to test speech recognition. When you run the code, you will see the recognition results output to the console.

5. Summary
This article introduces how to use Python programming to implement Baidu speech recognition interface docking, so that the program can understand our voices. Through the Baidu speech recognition interface, we can convert sounds into text and provide convenience for subsequent text processing. I hope this article can be helpful to everyone's research and development in speech recognition.

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