https://github.com/xyproto/simplewav

Write a simple .wav file (includes a sawtooth example)
https://github.com/xyproto/simplewav

audio go sawtooth wav

Last synced: 6 months ago
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Write a simple .wav file (includes a sawtooth example)

• Host: GitHub
• URL: https://github.com/xyproto/simplewav
• Owner: xyproto
• License: bsd-3-clause
• Created: 2024-03-04T13:11:41.000Z (over 1 year ago)
• Default Branch: main
• Last Pushed: 2024-03-05T10:58:09.000Z (over 1 year ago)
• Last Synced: 2025-03-29T03:02:10.468Z (6 months ago)
• Topics: audio, go, sawtooth, wav
• Language: Go
• Homepage:
• Size: 1010 KB
• Stars: 5
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# simplewav

Given a `float64[]` and a sample rate (like `44100`), write the audio to a WAV file.

The example in `cmd/sawtooth` generates a 1 second long audio file containing a sawtooth wave at 220Hz.

This is only for 16-bit 1-channel WAV files, for now.

## Example use

```go

package main

import (

    "time"

    "github.com/xyproto/sawtooth"

    "github.com/xyproto/simplewav"

)

func main() {

    const (

        duration           = 1 * time.Second

        frequency  float64 = 220

        sampleRate         = 44100

    )

    // Generate a sawtooth signal

    wave := sawtooth.GenerateSawtoothParticle(frequency, sampleRate, duration)

    // Write the wave to test.wav

    if err := simplewav.Write(wave, "test.wav", sampleRate); err != nil {

        panic(err)

    }

}

```

## Image representation of the example sawtooth wave

![waveform](test.png)

## General info

* Version: 1.0.0

* License: BSD-3