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World.JS is a JavaScript Wrapper for World Vocoder Powered by Emscripten

Home Page: https://www.gloomyghost.com/World.JS/

License: MIT License

CMake 7.43% C++ 90.08% C 1.77% HTML 0.11% JavaScript 0.62%
vocoder world javascript javascript-library emscripten audio-processing dsp wrapper morise f0-estimation

world.js's Issues

CheapTrick_JS error

Thank you for developing the javascript version of World!!
I built WorldJS.js as described in the README, and tried it on a simple web server, but the following error came up.
It seems to be an error related to the detached ArrayBuffer in WorldJS.wasm.
I have confirmed that the Dio_JS function, written before CheapTrick_JS, can run and output an f0 value.
How can I resolve this?

Uncaught TypeError: Cannot perform %TypedArray%.prototype.set on a detached ArrayBuffer
    at Float64Array.set (<anonymous>)
    at methodCaller_emscripten$$val_$emscripten$$val_emscripten$$val$ (eval at new_ (WorldJS.js:5008), <anonymous>:6:26)
    at __emval_call_method (WorldJS.js:5513)
    at emscripten::internal::MethodCaller<emscripten::val, emscripten::val&, emscripten::val>::call(emscripten::internal::_EM_VAL*, char const*, emscripten::val&, emscripten::val&&) (static/js/lib/WorldJS.wasm:wasm-function[105]:0x325a)
    at emscripten::val emscripten::val::call<emscripten::val, emscripten::val&, emscripten::val>(char const*, emscripten::val&, emscripten::val&&) const (static/js/lib/WorldJS.wasm:wasm-function[57]:0x1556)
    at double* (anonymous namespace)::GetPtrFrom1XArray<double>(emscripten::val, int*) (static/js/lib/WorldJS.wasm:wasm-function[53]:0x13ba)
    at CheapTrick_JS(emscripten::val, emscripten::val, emscripten::val, int) (static/js/lib/WorldJS.wasm:wasm-function[59]:0x17af)
    at emscripten::internal::Invoker<emscripten::val, emscripten::val, emscripten::val, emscripten::val, int>::invoke(emscripten::val (*)(emscripten::val, emscripten::val, emscripten::val, int), emscripten::internal::_EM_VAL*, emscripten::internal::_EM_VAL*, emscripten::internal::_EM_VAL*, int) (static/js/lib/WorldJS.wasm:wasm-function[89]:0x2c67)
    at Object.CheapTrick_JS (eval at new_ (WorldJS.js:5008), <anonymous>:11:10)

The code and environment I tried to use is as follows.

<script>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script type="text/javascript" src="static/js/lib/WorldJS.js"></script>
</head>
<body>
<script>
  const x = Module.WavRead_JS('static/js/lib/vaiueo2d.wav')
  const f0 = Module.Dio_JS(x.x, x.fs, 2.0)
  const sp = Module.CheapTrick_JS(x.x, f0.f0, f0.time_axis, x.fs)
  const ap = Module.D4C_JS(x.x, f0.f0, f0.time_axis, sp.fft_size, x.fs)
  const synthesis = Module.Synthesis_JS(f0.f0 * 2.0, sp.spectral * 1.2, ap.aperiodicity, sp.fft_size, x.fs, 2.0)
  Module.WavWrite_JS(synthesis.x, synthesis.fs, synthesis.nbit, 'static/js/lib/out.wav')
</script>
</body>
</html>
</script>
OS: Mac OS 10.13.6（17G14042）
Browser: Chrome (version: 87.0.4280.141（Official Build） （x86_64）)

Can I use Dio_JS ( or other native method) with WebAudio API?

Thank you for you great product.

I tried to use this library with audio api.
But I'm not familiar with emscripten. so I could not do it .

Could you give me a hint?

there are my code ( Partially)

audio.js

import { default as Module } from "./WorldJS.js";
/**
   *
   * @param {Float32Array[]} input
   */
  static featureExtract(input) {

   // input is 128 * 32 float32ArrayArray
   // so I must change to Float64Array
    const buffer = new Float64Array(bufferSize * bufferingLength);
    for (const [i, f32] of input.entries()) {
      for (const [j, value] of f32.entries()) {
        buffer[i * bufferSize + j] = value;
      }
    }

    const { Dio_JS  } = Module;
    const { f0, time_axis: timeAxis } = Dio_JS(buffer, sampleRate, framePeriod);
    console.log(f0) // f0 is always zero array like  [0,0,....]

argument of featureExtract(input) come from mediaStream like mic.

I think I could not send buffer propery.
the first argument type of Dis_JS is emscripten::val
Do you know the way to use this function from javascript?

I'm looking forward your reply.

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