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Octave

Octave

Generate expressive speech that conveys human emotion from text

Octave screenshot

COMPANY

Hume AI

ADDED DATE

3/15/2026

CATEGORY

AI & Language Technologies

AI TYPE

ai_centered

AI ROLE

Analyzes text and generates emotionally expressive speech

Octave is Hume AI's text-to-speech API that generates expressive, natural-sounding speech with emotional intelligence. It offers acting instructions for emotional delivery, real-time streaming output, multilingual support, custom voice creation, and precise timing data. The platform serves developers building conversational AI, content creators, and enterprises needing high-quality voice generation with ~300ms time to first byte latency.

Value Propositions

Fordevelopers and creators

Whoneed natural-sounding voice generation

Octaveconverts text to emotionally expressive speech

So they canproduce lifelike audio content

Fordevelopers and creators

Whoneed natural-sounding voice generation

Octaveconverts text to emotionally expressive speech

So they canproduce lifelike audio content

Features

Acting instructions for emotional deliveryReal-time streaming audio outputMultilingual voice generationCustom voice creation and cloningWord and phoneme level timestampsMultiple audio format export