similarityBoost method

ElevenLabsBuilder similarityBoost(
  1. double similarityBoost
)

Sets similarity boost parameter for ElevenLabs TTS (0.0-1.0)

Controls how closely the AI should adhere to the original voice. Higher values make the output more similar to the original voice, while lower values allow for more creative interpretation.

  • 0.0: Maximum creative freedom
  • 1.0: Maximum similarity to original voice
  • Default: Usually around 0.75

Implementation

ElevenLabsBuilder similarityBoost(double similarityBoost) {
  _baseBuilder.extension('similarityBoost', similarityBoost);
  return this;
}