package domain

// Speaker identifies one of the checkpoint's trained voices.
type Speaker struct {
	ID   int
	Name string
}

// SynthesisParams are the VITS sampling knobs exposed to clients, matching
// uma-tts-api's defaults (noise_scale=0.37, noise_scale_w=0.46, length_scale=1.3).
type SynthesisParams struct {
	NoiseScale  float32
	NoiseScaleW float32
	LengthScale float32
}

// AudioClip is an encoded audio payload ready to return to a client.
type AudioClip struct {
	Data     []byte
	MimeType string
}

const (
	DefaultNoiseScale  float32 = 0.37
	DefaultNoiseScaleW float32 = 0.46
	DefaultLengthScale float32 = 1.3
)