ActionHume AIUpdated May 2026

How do I generate emotional speech with Hume Octave?

Short answer: Drop the "Hume AI → Hume Octave TTS" action anywhere in your workflow, map the inputs from upstream nodes, and publish.

Use this action All 3 Hume AI actions

Inputs

The fields this action accepts.

Every field can be mapped from an upstream trigger, AI step, table row, or hard-coded literal.

Field	Type	Required	Description
Text text	string	Required	Text (required)
Voice Name voice_name	string	Optional	e.g. Male English Actor
Voice Description description	string	Optional	warm, calm, slightly amused
Speed speed	string	Optional	0.5 - 2.0

Sample request

{
  "text": "{{trigger.text}}",
  "voice_name": "e.g. Male English Actor",
  "description": "warm, calm, slightly amused",
  "speed": "0.5 - 2.0"
}

Returns

{
  "generations": [
    {
      "audio": "<base64>",
      "duration": 3.5,
      "generation_id": "gen_abc"
    }
  ]
}

Use these fields in downstream nodes for routing, logging, or error handling.

Triggered by

Apps that pair well as the trigger for Hume Octave TTS.

Any of these apps can fire this action as part of a workflow.

Google Sheets → Hume AI

2 Google Sheets triggers

HubSpot → Hume AI

18 HubSpot triggers

FAQ

Questions about Hume Octave TTS.

What does the Hume Octave TTS action do in Hume AI?

Generates TTS with emotional expression control — pass acting instructions ("speak with anxious anticipation"). The standout choice for narrative or character-voice production work where emotional nuance matters.

What inputs does Hume Octave TTS require?

Required: Text. Every input accepts a static value or a variable from any upstream node in your workflow.

Can I use dynamic inputs from earlier workflow nodes?

Yes. Any field on this action can pull values from upstream nodes, whether that's a form response, a trigger payload, an AI output, or a lookup result.

What happens if Hume AI returns an error?

The workflow pauses on the failed node, the error message is captured in the run log, and you can retry the run with one click. Auto-retry policies are configurable per workflow with exponential backoff up to 5 attempts.

Does Hume Octave TTS support batch operations?

Yes. Run Hume Octave TTS inside a Loop node to process arrays. Tiny Command handles Hume AI's rate limits automatically so you don't have to throttle manually.

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