Python wave play

Now it comes as a surprise to many people when I tell them that generating an audio waveform is extremely simple. One needs to have basic understanding on how audio signals work and basic python programming to generate any audio wave form. This post will show you exactly how. Link to code : GitHub. You can find a list of other waveforms that can be generated using SciPy here. Check this reddit post if you really want to have one. And this is a problem if you want to make larger audio files.

Feel free to play around with the code to change it to other formats.

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Like Liked by 1 person. Like Like. The code shown here does not generate wav files. The wav file format is not just a collection of samples. It is a collection of chunks of data. One of these chunks contains samples. You are right Nicolas, it does not generate a wav file. But it does generate a raw audio data file which contains the information.

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python wave play

You are commenting using your Twitter account. You are commenting using your Facebook account. Notify me of new comments via email. Notify me of new posts via email. Search for:. Updated: May 15, Now it comes as a surprise to many people when I tell them that generating an audio waveform is extremely simple. Python packages needed: Numpy, Scipy How to play the audio the generated audio file on computer?

Command line using SoX play -t raw -r Use Audacity check video. Share this: Twitter Facebook. Like this: Like Loading Just do y. But it does generate a raw audio data file which contains the information Like Like. Leave a Reply Cancel reply Enter your comment here Fill in your details below or click an icon to log in:.

python wave play

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If nothing happens, download the GitHub extension for Visual Studio and try again. Pure Python, cross platform, single function module with no dependencies for playing sounds. If you insist on the slightly harder way of installing, from source, you know how to do it already and don't need my help.

It requires one argument - the path to the file with the sound you'd like to play. This may be a local file, or a URL. There's an optional second argument, block, which is set to True by default. Setting it to False makes the function run asynchronously. On Windows, uses windll. Other file formats may work as well. On Linux, uses GStreamer. Known to work on Ubuntu Support for the block argument is currently not implemented. I've only tested playsound it with Python 2. Skip to content.

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The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I tried playing a. It works great on windows, but doesn't work in Ubuntu when another device is using sound. Here is an example from the wxPython demo. And finally, although I don't know the limitations of pyaudio, your error message sounds more like the library is not able to find the default output device more than the device is in use by another process.

You can try Simpleaudio :. I found playsound to be the simplest. Learn more. What's a cross platform way to play a sound file in python? Ask Question. Asked 11 years, 5 months ago. Active 2 years, 2 months ago. Viewed 9k times.

python wave play

Another method? Jon Seigel Gilbert Gilbert 4 4 silver badges 7 7 bronze badges. Active Oldest Votes.

Simple Wave Generation In Python (and SciPy)

Sound 'sound. Play wx. Have you looked at pymedia? It looks as easy as this to play a WAV file: import time, wave, pymedia. Erwin Mayer Erwin Mayer Sound from pygame import mixer mixer. Mauli Mauli Nae Nae 8, 4 4 gold badges 23 23 silver badges 51 51 bronze badges.

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Podcast Programming tutorials can be a real drag. Featured on Meta.Many of the applications out there records your voice as well as playing sounds, if you want to do that as well, then you came into the right place, in this tutorial, we will be using different Python libraries to play and record audio in Python.

Let's install the required libraries for this tutorial:. First, we gonna start with the most straightforward module here, playsound :. Yes, that's it required for this module, it is basically a pure Python, cross platform, single function module.

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The documentation says that WAV and MP3 extensions are known to work, and it may work for other formats as well. Another alternative is to use Pydub library:. Note : You need ffmpeg installed in your machine in order to use AudioSegment. Pydub is quite a popular library, as it isn't only for playing sound, you can use it for different purposes, such as converting audio files, slicing audio, boosting or reducing volume, and much more, check their repository for more information.

If you wish to play audio using PyAudio, check this link. To record voice, we gonna use PyAudio library, as it is the most convenient approach:. The above code basically intializes the PyAudio object, and then we open up a stream object that allow us to record from the microphone using stream.

After we finish recording, we use the built-in wave module to write that WAV audio file into the disk. Alright, in this tutorial, you learned how you can play audio files using playsoundPydub and PyAudio libraries as well as recording voice using PyAudio.

A great challenge for you, is to combine this with a screen recorderand you'll come up with a Python tool that records your voice and screen simultaneously, you will need to use a thread that records audio, and another one for the screen recorder, good luck with that! Using pyautogui and OpenCV to record display screen video and save it to a file in Python. Learn how to take full control of your keyboard with keyboard python module. Hooking global events, registering hotkeys, simulating key presses and much more.

Play WAV Sound File using Python

Monitoring Operating System processes in Python using psutil library and making a similar program of Windows Task Manager or Linux top utility. Sharing is caring! How to Control your Keyboard in Python Learn how to take full control of your keyboard with keyboard python module. Follow ThePythonCode.

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I read this link solutions and can't solve my problem with playing wave file! You can use PyAudio. An example here on my Linux it works:.

Your wav is probably 8k. So when pygame plays it, it plays roughly twice as fast. So specify your wav frequency in the init. Pyglet has some problems correctly reading RIFF headers. If you have a very basic wav file with exactly a 16 byte fmt block with no other information in the fmt chunk like 'fact' datait works. But it makes no provision for additional data in the chunks, so it's really not adhering to the RIFF interface specification.

Learn more. Ask Question. Asked 6 years, 9 months ago. Active 1 month ago. Viewed 79k times. I tried pygame for playing wav file like this: import pygame pygame. You mean, it sounds higher pitched than it should? Active Oldest Votes. An example here on my Linux it works:! I am getting ALSA errors stackoverflow. Only one add-on: changing while data! This problem only occurs after an update from python 3.

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The reason pygame changes your audio is mixer defaults to a 22k sample rate: initialize the mixer module pygame. Gene Gene 81 1 1 silver badge 1 1 bronze badge.

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The Overflow Blog. Socializing with co-workers while social distancing. Podcast Programming tutorials can be a real drag. Featured on Meta. Community and Moderator guidelines for escalating issues via new response…. Feedback on Q2 Community Roadmap. Triage needs to be fixed urgently, and users need to be notified upon…. Technical site integration observational experiment live on Stack Overflow.With PyAudio, you can easily use Python to play and record audio on a variety of platforms.

Read and write WAV files using Python (wave)

PyAudio is inspired by:. To use PyAudio, first instantiate PyAudio using pyaudio. PyAudio 1which sets up the portaudio system. To record or play audio, open a stream on the desired device with the desired audio parameters using pyaudio. This sets up a pyaudio.

Stream to play or record audio. Play audio by writing audio data to the stream using pyaudio. Use pyaudio. Finally, terminate the portaudio session using pyaudio. Note that PyAudio calls the callback function in a separate thread. Start processing the audio stream using pyaudio. A PortAudio Sample Format constant.

Close a stream. Typically use Stream. Return a dictionary containing the default Host API parameters. Return the default input Device parameters as a dictionary. Return the default output Device parameters as a dictionary. Returns the size in bytes for the specified sample format a PortAudio Sample Format constant. Check to see if specified device configuration is supported. Returns True if the configuration is supported; throws a ValueError exception otherwise.

Open a new stream.

python wave play

See constructor for Stream.The wave module provides a convenient interface to the WAV sound format. The wave module defines the following function and exception:. If file is a string, open the file by that name, otherwise treat it as a seekable file-like object. If mode is omitted and a file-like object is passed as filefile. A synonym for openmaintained for backwards compatibility. An error raised when something is impossible because it violates the WAV specification or hits an implementation deficiency.

Close the stream if it was opened by waveand make the instance unusable. This is called automatically on object collection. Returns number of audio channels 1 for mono, 2 for stereo.

How to Play and Record Audio in Python

Returns compression type 'NONE' is the only supported type. Human-readable version of getcomptype. Usually 'not compressed' parallels 'NONE'. Make sure nframes is correct, and close the file if it was opened by wave. This method is called upon object collection.

Set the compression type and description. At the moment, only compression type NONE is supported, meaning no compression. Sets all parameters.

Audio and Digital Signal Processing(DSP) in Python

Note that it is invalid to set any parameters after calling writeframes or writeframesrawand any attempt to do so will raise wave. The wave module defines the following function and exception: wave.

This will be changed later if more frames are written. Table of Contents Quick search. The Python Software Foundation is a non-profit corporation.


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