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If you’re experiencing issues with voice quality or response timing, you can adjust several settings to optimize performance.

Response Speed vs. Accuracy

Your AI assistant has adjustable engine settings:
  • Dualplex: lowest latency, voice cloning available
  • Pipeline: transcription, model, speech — the widest choice of voices, with a pause between turns
  • Speech-to-speech: native voice generation, no transcription step
Pick one in General → Engine type. How accurate the answers are comes from the model, in Brain & prompt → Model.

Filler Audio

To minimize silence during processing:
  • Click Enable fillers in Voice & speech → Filler audios
  • The AI will use natural sounds (like “hmm” or “one moment”) while processing
  • The section only appears on the Pipeline engine, which is the one with a pause to cover

Common Issues & Solutions

  1. Slow Responses
    • Switch to the Dualplex engine
    • Enable Filler Audio
    • Simplify your system prompt
  2. Inaccurate Responses
    • Pick a stronger model in Brain & prompt → Model
    • Provide more context in your prompt
    • Add specific examples
  3. Voice Quality
    • Try different voice models
    • Adjust speech speed settings
    • Try cloning a voice
  4. Assistant Not Responding or Missing Speech in Transcript
    • Disable noise cancellation in Call behavior → Audio & recording
    • Noise cancellation can sometimes filter out speech or cause the assistant to not respond
    • Test with noise cancellation disabled to see if speech is properly detected

Optimization Tips

  • For sales calls: Dualplex, or Pipeline with filler audio if you need a specific voice
  • For support: keep the engine and pick a stronger model in Brain & prompt → Model

Need help? Contact support if these adjustments don’t resolve your issues.