Merge pull request #5 from 5mdt/feature/fix-noise-loop

[NoiseProcessor]: rewrote noise processor

LICENSE.TLDR.md

@@ -0,0 +1,45 @@
+# The MIT License (MIT)
+
+A short, permissive software license. Basically, you can do whatever you want as long as you include the original copyright and license notice in any copy of the software/source.
+
+## Can
+
+- Commercial Use
+- Modify
+- Distribute
+- Sublicense
+- Private Use
+
+## Cannot
+
+- Hold lible
+
+## Must
+
+- Include Copyright
+- Include License
+
+---
+
+**Disclaimer:** This TL;DR summary is provided for convenience and informational
+purposes only. It is not a substitute for the
+[full text of the Apache License 2.0](LICENSE). The full license should be
+consulted for a comprehensive understanding of your rights and obligations.
+In the event of any discrepancies or legal questions, the full license text
+takes precedence.
+
+TL;DR for this licence was taken from
+[TLDRLegal](https://www.tldrlegal.com/license/apache-license-2-0-apache-2-0)
+
+
+---
+
+**Disclaimer:** This TL;DR summary is provided for convenience and informational
+purposes only. It is not a substitute for the
+[full text of the License](LICENSE). The full license should be
+consulted for a comprehensive understanding of your rights and obligations.
+In the event of any discrepancies or legal questions, the full license text
+takes precedence.
+
+TL;DR for this licence was taken from
+[TLDRLegal](https://www.tldrlegal.com/license/mit-license)

README.md

@@ -10,7 +10,7 @@
 
 The 5mdt Noise Generator is a web-based application that generates different types of noises locally, including brown, white, and pink noise. It allows users to play these noises and control their volume.
 
-There is no tracking, ads or even cookies here. It's absolutely free to use and modify
+There is no tracking, ads or even cookies here. It's absolutely free to use and modify.
 
 ## Demo
 
@@ -33,10 +33,12 @@ To use the 5mdt Noise Generator, simply open the `index.html` file in a web brow
 
 This project is licensed under the [MIT License](LICENSE).
 
-## Authors
+## Authors (alphabetically)
 
-- [@nett00n](https://github.com/nett00n)
+- [@akamenskiy](https://github.com/akamenskiy)
 - [@kawaiier](https://github.com/kawaiier)
+- [@nett00n](https://github.com/nett00n)
+
 ---
 
-2023, Tbilisi, Sakartvelo
+2023

RandomNoiseProcessor.js

@@ -0,0 +1,78 @@
+const tempo = 30;
+const types = {
+  pink: "pink",
+  brown: "brown",
+  white: "white",
+}
+
+function generateBrownNoise(buffer) {
+  let lastOut = 0.0;
+
+  for (let i = 0; i < buffer.length; i++) {
+    const whiteNoise = (Math.random() * 2 - 1) / tempo;
+    buffer[i] = (lastOut + (0.02 * whiteNoise)) / 1.02;
+    lastOut = buffer[i];
+    buffer[i] *= 3.5; // Amplify the sound
+  }
+}
+
+// Function to generate Pink noise
+function generatePinkNoise(buffer) {
+  let b0 = 0;
+  let b1 = 0;
+  let b2 = 0;
+  let b3 = 0;
+  let b4 = 0;
+  let b5 = 0;
+  let b6 = 0;
+
+  for (let i = 0; i < buffer.length; i++) {
+    const whiteNoise = (Math.random() * 2 - 1) / tempo;
+    b0 = 0.99886 * b0 + whiteNoise * 0.0555179;
+    b1 = 0.99332 * b1 + whiteNoise * 0.0750759;
+    b2 = 0.96900 * b2 + whiteNoise * 0.1538520;
+    b3 = 0.86650 * b3 + whiteNoise * 0.3104856;
+    b4 = 0.55000 * b4 + whiteNoise * 0.5329522;
+    b5 = -0.7616 * b5 - whiteNoise * 0.0168980;
+    buffer[i] = b0 + b1 + b2 + b3 + b4 + b5 + b6 + whiteNoise * 0.5362;
+    buffer[i] *= 0.11; // Amplify the sound
+    b6 = whiteNoise * 0.115926;
+  }
+}
+
+// Function to generate White noise
+function generateWhiteNoise(buffer) {
+
+  for (let i = 0; i < buffer.length; i++) {
+    buffer[i] = (Math.random() * 2 - 1) / tempo;
+  }
+}
+
+
+class RandomNoiseProcessor extends AudioWorkletProcessor {
+  constructor (options) {
+    super();
+    this.type = options.processorOptions.type;
+  };
+  process(inputs, outputs) {
+    const output = outputs[0];
+    output.forEach((channel) => {
+      switch (this.type) {
+        case types.brown:
+          generateBrownNoise(channel);
+          break;
+        case types.pink:
+          generatePinkNoise(channel);
+          break;
+        case types.white:
+          generateWhiteNoise(channel);
+          break;
+        default:
+          break;
+      }
+    });
+    return true;
+  }
+}
+
+registerProcessor("RandomNoiseProcessor", RandomNoiseProcessor);