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feat(inference): type Cartesia turn-detection params #2173

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Merged
u9g merged 1 commit into from
Jul 30, 2026
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feat(inference): type Cartesia turn-detection params #2173

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5 changes: 5 additions & 0 deletions .changeset/type-cartesia-turn-detection.md
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---
'@livekit/agents': minor
---

Type Cartesia turn-detection parameters in inference STT model options.
16 changes: 14 additions & 2 deletions agents/src/inference/stt.ts
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Expand Up @@ -59,10 +59,22 @@ export type SpeechmaticsModels = 'speechmatics/enhanced' | 'speechmatics/standar
export type InworldSTTModels = 'inworld/inworld-stt-1';

export interface CartesiaOptions {
/** Minimum volume threshold. Default: not specified. */
/** Minimum volume threshold. Ink Whisper only. Default: not specified. */
min_volume?: number;
/** Maximum silence duration in seconds. Default: not specified. */
/** Maximum silence duration in seconds. Ink Whisper only. Default: not specified. */
max_silence_duration_secs?: number;
// Turn-detection tuning for turn-detecting models such as Ink 2. The gateway validates
// these values against Cartesia's documented ranges.
/** Turn-start threshold (0.5-0.9). Default: 0.8. */
turn_start_threshold?: number;
/** Eager turn-end threshold (0.3-0.6). Default: 0.4. */
turn_eager_end_threshold?: number;
/** Turn-end threshold (0.05-0.5). Default: 0.2. */
turn_end_threshold?: number;
/** Turn-end timeout in milliseconds (640-11200). Default: 5600. */
turn_end_timeout_ms?: number;
/** Key terms, up to 100 terms totaling 1200 characters. */
keyterm?: string | string[];
}

export interface DeepgramOptions {
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