Class JsPreprocessor

constructor

• new JsPreprocessor(opts?: { nMels?: number }): JsPreprocessor

  Parameters

  • Optionalopts: { nMels?: number }

  Returns JsPreprocessor

ReadonlynMels

process

• process(audio: Float32Array): { features: Float32Array; length: number }

  Parameters

  • audio: Float32Array

  Returns { features: Float32Array; length: number }

computeRawMel

• computeRawMel(
      audio: Float32Array,
      startFrame?: number,
  ): { rawMel: Float32Array; nFrames: number; featuresLen: number }

  Parameters

  • audio: Float32Array
  • OptionalstartFrame: number

  Returns { rawMel: Float32Array; nFrames: number; featuresLen: number }

normalizeFeatures

• normalizeFeatures(
      rawMel: Float32Array,
      nFrames: number,
      featuresLen: number,
  ): Float32Array

  Parameters

  • rawMel: Float32Array
  • nFrames: number
  • featuresLen: number

  Returns Float32Array