otoSpeech Task releases 20 hours of full-duplex task-oriented conversation data

kastnerkyle · x · 2026-09-02

oto.earth has released the otoSpeech Task dataset, featuring 20 hours of English two-person task-oriented conversations under the CC BY 4.0 license.

Dataset Features

Context

The post contrasts cascaded systems (ASR+LLM+TTS) with full-duplex models. Cascaded systems offer inspectable task states but lack natural flow, while full-duplex models feel natural but lag in task reliability. This dataset aims to bridge the gap, advancing voice AI toward systems that talk like humans while maintaining task accuracy.

Original post →

More from Research

Research channel →