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First-party only#NPCs & dialogue
  1. Inworld AI Blog51

    Inworld acquires realtime voice agent platform Ultravox

    Inworld has announced the acquisition of Ultravox, a realtime voice agent platform; the Ultravox team has joined Inworld and continues to develop the platform. The first update after the acquisition is that the built-in Inworld voice in Ultravox now uses Realtime TTS-2, existing voice IDs remain usable with no code changes, and the upgrade costs nothing extra.

    Why it matters: The acquisition brings voice understanding, reasoning and voice generation into one realtime inference infrastructure, letting readers judge how the voice agent stack is consolidating.

  1. Inworld AI Blog57

    Inworld AI releases Realtime TTS-2 realtime conversational voice model

    Inworld AI has released Realtime TTS-2, a new-generation realtime conversational voice model, now fully available in the Inworld API and the Inworld Realtime API.

    Why it matters: The original post covers multi-turn audio context, natural-language voice instructions and a first-audio latency of under 200ms, which readers can use to judge whether realtime voice conversation fits their own projects.

  1. NVIDIA Blog38

    EA, Ubisoft, Embark and other publishers bring PC games and anticheat support to NVIDIA RTX Spark

    NVIDIA announced at Gamescom that publishers including EA, Embark and Ubisoft will bring games and anticheat support to RTX Spark, which launches this fall, with EA Javelin Anticheat also natively supporting the platform.

    Why it matters: The partner list ahead of RTX Spark's fall launch grows from May's COMPUTEX to this Gamescom, so readers can compare the two batches of publishers to gauge how adoption of the new platform is progressing.

  1. Inworld AI Blog47

    Building realtime conversational voice agents with Mastra and the Inworld Realtime API

    Inworld introduces @mastra/voice-inworld-realtime, which merges STT, LLM and realtime TTS into a single WebSocket session bound to a Mastra Agent.

    Why it matters: The post contrasts cascaded voice pipelines with a single WebSocket session and provides a reference CLI in under 100 lines of TypeScript, which readers can use to judge the integration cost.

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