Voder

Voice things.

Crates to try:

• hound

  • Encoder/decoder
  • Very mature (3.4.0)

• cpal

  • Hardware audio out, low level
  • Tons of downloads!

• wavy

  • Microphone in, speaker out
  • ALSA

• sample

  • convert between floats, u8s, u16s, etc. via a trait
  • clip amplitude
  • scale playback
  • iterators
  • signal generators (sine, saw, noise, etc.)

• sonogram

  • generate spectrograms!
  • THEY LOOK SICK!

• audrey

  • supports range of audio encoders/decoders
  • flac, ogg, wav, alac

• waveform

  • generate images from wave files
  • con "it is probably threadsafe"

• samplerate

  • sample rate conversion

• riff-wave

  • read and write wav files
  • con: old (2016)

• wavefile

  • con: old (2016)
  • con: low on doc

• pitch

  • determine pitch and volume of samples
  • uses "bistream autocorrelation function (bcf)"
  • todo: also investigate BACF, uses peaks instead of zero-crossings

• libwave

  • wav library, based on nom zero-copy parser
  • PCM support
  • 18/16/32/64 bit support