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Paid plans only startTranscription(options?) Starts live transcription for all participants in the room, or a specific subset if participants is provided. Transcription is powered by Deepgram. Once started, transcription output is delivered via transcription-message events.

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Parameters

options?: DailyTranscriptionDeepgramOptions All fields are optional.
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language
string
Language to use (e.g. 'en', 'fr-CA'). See Deepgram language docs.
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model
string
Deepgram model to use (e.g. 'nova-2', 'finance'). See Deepgram model docs.
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profanity_filter
boolean
Whether to filter profanity from transcripts. See Deepgram profanity filter docs.
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punctuate
boolean
Whether to add punctuation to transcripts. See Deepgram punctuation docs.
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endpointing
number | boolean
Controls voice activity detection sensitivity. See Deepgram endpointing docs.
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redact
boolean | string[]
Whether to redact sensitive information. See Deepgram redaction docs.
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extra
object
Additional Deepgram streaming parameters not covered by the fields above. See Deepgram features overview.
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includeRawResponse
boolean
When true, Deepgram’s raw response object is included in each transcription-message event payload.
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instanceId
string
UUID for the transcription session. Defaults to 'a1f2f6b7-b1ac-4202-85e5-d446cb6c3d3f'.
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participants
string[]
Array of participant session IDs to transcribe. When provided, only those participants are transcribed.
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transcription_geo
'global' | 'eu'
The geographic region where transcription is processed. Set to 'eu' to ensure transcription data stays within the European Union.

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Return value

Returns void. Listen for transcription-started to confirm transcription is active.

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Examples

// Start transcription with defaults
await call.startTranscription();

// French Canadian, finance model
await call.startTranscription({
  language: 'fr-CA',
  model: 'finance',
});

// Transcribe specific participants only
await call.startTranscription({
  participants: [
    'd8a14d03-58ef-4b7c-824a-181779ab535a',
    '435fa323-65a1-4654-b788-069936da87a0',
  ],
});

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See also

Methods

Events

Guides

REST API