wave_generator 0.1.0

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A dart package to generate audio wave data on the fly

wave_generator #

A dart package to generate audio wave data on the fly.

Usage #

To use this plugin, add wave_generator as a dependency in your pubspec.yaml file.

Example #

import 'package:wave_generator/wave_generator.dart';

() async {

    var generator = WaveGenerator(
        /* sample rate */ 44100,
        BitDepth.Depth8bit);

    var note = Note(
        /* frequency */ 220,
        /* msDuration */ 3000,
        /* waveform */ Waveform.Triangle,
        /* volume */ 0.5);

    var file = new File('output.wav');

    List<int> bytes = List<int>();
    await for (int byte in generator.generate(note)) {
      bytes.add(byte);
    }

    file.writeAsBytes(bytes, mode: FileMode.append);
  });

Or string together a sequence of Notes


 await for (int byte in generator.generateSequence([note1, note2, note3 /* etc */])) {
   // ...
 }

Features #

  • Sin, Square, Triangle waves
  • 8 Bit depth
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likes
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A dart package to generate audio wave data on the fly

Repository (GitHub)
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Documentation

API reference

Uploader

patchandthat@gmail.com

License

MIT (LICENSE)

Dependencies

flutter

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Packages that depend on wave_generator