How to Record Audio in Python

How to Record Audio in Python

Greetings in this Python tutorial we shall be looking at how to record audio and save that audio to a wav file. To record your voice in python you need to have the following installed:

pyaudio
keyboard

You can either do "pip install [name of module]" or if you are in Visual Studio you can use the python package manager to install keyboard and PyAudio. I show how to use the python package manager in Visual Studio in this Python tutorial.

We use pyaudio to record the audio from the microphone and we use keyboard to get keyboard input so we can toggle between recording and not recording.

At its core, the script employs the PyAudio library, a standard in Python audio recording, to capture audio in real-time. It initializes audio recording parameters such as format, channels, rate, and chunk size, crucial for ensuring high-quality audio capture.

The format is set to pyaudio.paInt16, a common audio format providing good balance between file size and quality. The script records in mono, as indicated by CHANNELS = 1, a choice that simplifies processing while maintaining sufficient audio quality for most voice recording applications. The rate of 44100 is a professional standard for audio quality, ensuring the recording is crisp and clear.

The use of a while loop in this script allows continuous audio capture until the user decides to stop, making it user-friendly and adaptable. This feature is particularly handy for various applications, such as voice memos, podcast recording, or even basic sound monitoring tasks. Keyboard integration for control adds to its user accessibility, allowing easy start and stop of recording with the spacebar, a familiar and intuitive control scheme for users.

This approach is especially valuable for beginners or those looking to integrate simple audio recording functionality into their Python projects.Saving the recorded audio is handled efficiently through the wave module, which is a standard Python library for dealing with WAV files. The script writes the captured audio frames into a WAV file, a universally recognized audio file format, making the output easily accessible and compatible with various audio playback and editing tools.

In summary, this Python script is an ideal starting point for anyone looking to delve into audio recording in Python. Its simplicity, combined with the use of standard Python libraries like PyAudio and wave, makes it an excellent example for educational content, DIY projects, or even as a foundation for more complex audio processing applications. It doesn't take long to record audio using python.

Thanks for watching this tutorial on how to make a voice recorder in Python.

Here is a video on how to combine multiple wav files together in Python:    • How to Combine Wav Files in Python  

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How to Record Audio in Python

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