5 Python Libraries to Record and Stream Audio


Python is a powerful programming language that can be used to develop different applications. One of these applications is audio processing. Audio processing using Python could be done using pyAudio or Librosa library. These libraries provide powerful APIs through which audio can be recorded and streamed.

In this blog, we will look at 5 python libraries that can be used to record and stream audio:

1. pyAudio

2. Librosa

3. Sounddevice

4. PyDub

5. Audioop

Let’s look at each one of them in detail below:

Audio is a key component in many applications. Whether you want to build an audio-streaming app or just need to record and analyze audio data, Python allows you to do so with minimal overhead.

In this article, we’ll look at some of the most popular libraries for recording, analyzing, and streaming audio data in Python.

5 Libraries to Record and Stream Audio in Python:

PyDub: Manipulation of audio with an simple and easy high level interface.

LibROSA: Python library for music and audio analysis.

PyAudio: A wrapper around PortAudio for cross-platform playback of WAV files.

Sounddevice: Playback and recording of sounds from Python.

Snack Sound Toolkit: A python module for sound processing.

There are many Python libraries out there that facilitate the recording of audio from different sources. The same is true for streaming audio, which has become more accessible as internet speeds have increased.

In this article we will review five different Python libraries for recording and streaming audio. The libraries are:

* PyAudio – allows Python to record and play audio on a variety of platforms.

* SoundFile – reads and writes audio files in a variety of formats and with a variety of parameters.

* SoundDevice – provides device interaction for the playback and recording of sound through python code.

* PyDub – manipulates audio with an simple and easy high level interface.

* LibROSA – a python library that analyzes digital music and communication signals.

In this blog post, we will discuss about the different Python libraries that can be used to record and stream audio.

Python is a high-level programming language which is widely used for the general purpose of programming. Python is also suitable as an extension language for customizable applications.

Audio is the main way we interact with computers, but it’s amazing how seldom we actually manipulate sound directly when programming. This is a shame, because working with audio is a lot of fun! You can make all sorts of things, like music and voice manipulation tools and even games.

There are few ways to manipulate audio in Python:

Wave: Read and write WAV files

Samples: Read and write NumPy arrays of audio samples

Frames: Read and write text files with one frame per line

Streams: Read from or write to arbitrary I/O streams (e.g. buffers or files)

The following Python libraries are used for recording and streaming audio:

pyaudio (for recording and playback)

wave (for loading, manipulating and writing WAV files)

numpy (for handling low-level arrays)

If you need to record and stream audio in real-time, you can use the following five Python libraries:

PyAudio is used to record and play audio on a variety of platforms. It provides bindings for Python. It can be used for processing live audio signals. You can also use it to record from the microphone and save files in various formats including WAV.

PySoundFile can open all file formats that libsndfile supports, for example WAV, FLAC, OGG and MAT files. This library supports reading and writing sound files. It also includes some useful functions such as resampling and combining sounds.

Audiolab is an open source package for Python that can be used for handling audio data that is compatible with scikit-learn. It contains functions for reading audio files into numpy arrays, as well getting information about the file like the sampling frequency. It also supports saving numpy arrays as WAV files. However, it does not support playing or recording sound.

sounddevice is another package that supports playing or recording sound via your computer’s sound card. Its main focus is on real-time input/output without excessively reducing performance with large blocksizes, or compromising accuracy of timing of the data passing through

Whether you’re working in the field of AI and machine learning or simply a curious person, recording and streaming audio are some of the most interesting tasks that beginners and experts can do. In this article, we’ll see which Python libraries to use to record and stream audio from your microphone or webcam.

PyAudio

PyAudio provides Python bindings for PortAudio, the cross-platform audio I/O library. With PyAudio, you can easily use Python to play and record audio on a variety of platforms. PyAudio is inspired by:

Python’s built-in wave module.

Mark Borgerding’s pyportaudio module.

The following are the main features of PyAudio:

Cross-platform PortAudio v18 API Bindings for Python (works on Windows, Linux & Mac).

Blocking and non-blocking operation on both Capture and Playback devices.

Full duplex support (simultaneous Capture and Playback).

All standard PCM formats (8-bit, 16-bit, 24-bit and 32-bit int; 32-bit and 64-bit float; additionally, 24-bit int on Mac OSX).

Device selection by name or host API & device index.

Query all device properties

Python is a versatile programming language that has become increasingly popular over the years. Its multi-platform capabilities make it suitable for a range of applications from web development to desktop apps, and even micro-controllers like Arduino.

In this blog post, we will explore five Python libraries that are useful when working with audio. The examples that we write below can be used as boilerplates for building more elaborate software.

Note: The code snippets in this blog post have been tested on Python 3.6.

Importing Audio Files

Let’s start by importing an audio file. The first library we will use is wave, which is part of the standard library and allows us to read and write .wav files. (Other common audio formats are .aiff and .mp3.)


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