toepler v0.1.0

toepler

convert images to audio and vice versa

API

toWav(image, options)

Returns a Promise<Buffer> for a 24-bit, mono .wav file.

• image: Type: Buffer. Expects the Buffer to be a .jpg image by default (can be changed by setting options.inputType).
• options: Type: Object
  • inputType: Type: string. Default: 'image/jpeg'. MIME type of the input image buffer. Only 'image/png' and 'image/jpeg' are supported. Any .png transparency information will be discarded.
  • sampleRate: Type: number. Default: 44100. The sample rate of the output .wav.

toImage(sound, options)

Returns a Promise<Buffer> for a 24-bit .jpg file.

• sound: Type: Buffer. Expects a Buffer of a 24-bit, mono .wav file.
• options: Type: Object
  • width: Type: number. Minimum: 1. The width of the image to output. If there are not enough samples to fill the image, the remaining pixels will be left black. If there are too many samples, the excess samples will be discarded. Missing dimensions will be extrapolated from the available samples and dimensions.
  • height: see width.
  • outputType: Type: string. Default: 'jpg'. The type of image to output. Can be 'png' or 'jpg'

License

MIT