noisy interaction in three.js based app

[tperkis]

hi, i'm developing a 3d app that involves live sound synthesis, and we would like to use timbre.js for the awesome range of programming affordances it offers. But we've found that simple sound synthesis with timbre.js is interrupted by noise when we do any manipulation of our 3d model.

We've tried a range of other (less capable) libraries wrapping the Web Audio API, and have not had this same problem with them, but we'd much prefer to use timbre.js if we can solve this noise problem!

Our animation rendering is run by recursive calls to requestAnimationFrame(); running the app in Chrome 37.0.2062.0 dev. The 3d code is using three.js, with WebGL rendering.

my simple synthesis test, triggered by a mouse click is:

    var sine1 = T("sin", {freq:vcs(x), mul:0.2});
    var sine2 = T("sin", {freq:vcs(y), mul:0.2});
    var sine3 = T("sin", {freq:vcs(z), mul:0.2});
    T("perc", {r:900}, sine1, sine2, sine3).on("ended", function() {
     this.pause();
    }).bang().play();

[dirkk0]

Your code works perfectly without any background noise here: http://jsfiddle.net/dirkk0/3Ze9C/2/

Whatever problem there is must have to do with the code you didn't post.

[avh4]

The jsfiddle provided by dirkk0 plays noisily for me.

[mohayonao]

Timbre.js has performance problem.
I think it is difficult to resolve without redesign ignoring the compatibility.

[bassnode]

Perhaps this should be mentioned in the readme so devs know the limitations before spending time on implementation.

[avh4]

Thanks for the info. It sounds like timbre currently has no plans to do such a redesign? Are there any recommended alternative libraries that might be a good starting point for higher-performance audio synthesis for web-browser javascript?

[mohayonao]

I'm engaged on designing a new specification recently.
It will be optimized on Web Audio API to solve performance problem.
But, I maybe create another project, if too big change is needed.

[avh4]

Cool, I'll look forward to it.

[JackCA]

@mohayonao sounds great!

[dirkk0]

yes, it does!

[glompix]

I agree! This is an exciting project for me. 👍