How get sound input from microphone in python and process it on the fly
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Certainly! To capture sound input from a microphone and process it on the fly in Python, you can use the sounddevice library for audio I/O and numpy for processing the audio data. Here's a step-by-step tutorial with code examples:
Make sure you have the necessary libraries installed. You can install them using the following commands:
Create a Python script (e.g., microphone_processing.py) and use the following code as a starting point:
The callback function is called whenever there is new audio data available. Inside this function, you can implement your custom audio processing logic.
The process_audio function is a placeholder for your actual audio processing code. In this example, it simply applies a gain to the input data.
The script uses the sounddevice library to open an input stream from the microphone and set up the callback function.
The sd.sleep function is used to keep the script running for the specified duration. You can adjust the duration variable to control how long the script records audio.
Save the script and run it using the command:
You should see the script printing the processed audio data on the console in real-time.
Feel free to replace the process_audio function with your own audio processing logic, such as filtering, feature extraction, or any other signal processing technique based on your requirements.
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