vad

type EnhancedVAD struct {
	Options EnhancedVADOptions
}

type EnhancedVADOptions struct {
	ActivationThreshold float64
	MinSpeechDuration   float64 // ms
	MinSilenceDuration  float64 // ms
	SampleRate          int
}

type SimpleVAD struct {
	Threshold float64
}

type VAD interface {
	Stream(ctx context.Context) (VADStream, error)
}

type VADEvent struct {
	Type                  VADEventType
	SamplesIndex          int
	Timestamp             float64
	SpeechDuration        float64
	SilenceDuration       float64
	Frames                []*model.AudioFrame
	Probability           float64
	InferenceDuration     float64
	Speaking              bool
	RawAccumulatedSilence float64
	RawAccumulatedSpeech  float64
}

type VADEventType string

type VADStream interface {
	PushFrame(frame *model.AudioFrame) error
	Flush() error
	Close() error
	Next() (*VADEvent, error)
}