p5.js | sampleRate() Function

The sampleRate() function is an inbuilt function in p5.js library. This function is used to get the number of samples of loaded audio carried per second. The sample rate of audio measured by kHz or Hz, 1000Hz = 1kHz. This is not changeable and it depends on the operating system’s sound card.

    The higher sample rate of any audio makes that audio good quality.

  • The sample rate for the CDs is 44100Hz
  • The sample rate for the DVDsis 48000Hz



Note: All the sound-related functions only work when the sound library is included in the head section of the index.html file.

Parameter: This function does not accept any parameter

Return Value: This function return an integer that holds the samples per second of the played audio on the web.

Below example illustrates the p5.samplerate() function in JavaScript:






var sound; 
var spmlrt; 
function preload() { 
    // Initialize sound 
    sound = loadSound("pfivesound.mp3"); 
function setup() { 
    // Playing the preloaded sound 
    //Checking loaded or not 
    var spmlrt = sound.sampleRate(); 


Online editor: https://editor.p5js.org/
Environment Setup: https://www.geeksforgeeks.org/p5-js-soundfile-object-installation-and-methods/

Supported Browsers:
The browsers supported by p5.sampleRate() function are listed below:

  • Google Chrome
  • Internet Explorer
  • Firefox
  • Safari
  • Opera


My Personal Notes arrow_drop_up

Check out this Author's contributed articles.

If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below.

Article Tags :

Be the First to upvote.

Please write to us at contribute@geeksforgeeks.org to report any issue with the above content.