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p5.js | duration() Function

  • Last Updated : 17 Jan, 2020

The duration() function is an inbuilt function in p5.js library. This function is used to return the duration of a sound file in seconds which is loaded the audio on the web. Basically when you trigger this function then it will return the time in the second dot microsecond format of that audio’s playing time.

Syntax:

duration()

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 Values: This function return the duration of a sound file when this function is triggered.

Below example illustrate the p5.js duration() function in JavaScript:
Example:




var sound; 
var dur; 
  
function preload() { 
   
    // Initialize sound 
    sound = loadSound("pfivesound.mp3"); 
   
function setup() { 
           
    //Checking duration time of the audio
    var dur = sound.duration();
    console.log(dur);
      
    // Playing the preloaded sound 
    sound.play(); 

Output:

212.53875 // Duration of that audio approx 3 min 32 seconds

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.js duration() function are listed below:

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

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