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Deep Dives

In-depth explorations of AI music and audio tools.
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I Tried the Open Source ElevenLabs Alternative (Voicebox)

Better Stack explores Voicebox, a free open-source local AI voice studio that bundles voice cloning, TTS, system-wide dictation, and MCP agent integration into one desktop app — positioned as the Ollama moment for voice AI.

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Better Stack
Published2026-06-17

Beyond Transcription — Building Voice AI That Understands Conversations

Hervé Bredin (pyannote.ai) on speaker diarization: why 'who said what' matters as much as 'what was said', the gap between benchmark numbers and real-world performance, and how pyannote reconciles STT with diarization at the word level.

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Hervé Bredin — AI Engineer Conference
Published2026-06-05

State of the Art Meeting Transcription with Overlapping Speakers and Speaker-Identification

Trelis Research benchmarks Chorus Pro against Gemini Pro 3.1 on meetings with overlapping speakers — revealing that a dedicated, smaller transcription model can outperform general-purpose LLMs when 4+ participants talk over each other.

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Published2026-05-28

Voice Loop — A Local Voice Agent in ~500 Lines of Python — Trelis Research

Building a local voice agent with Whisper, Kokoro TTS, and an LLM in ~500 lines of Python.

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Trelis Research
Published2026-04-13

NVIDIA's New Voice AI Is Absolutely WILD — PersonaPlex

NVIDIA released PersonaPlex — an open-source full-duplex conversational AI that listens and speaks simultaneously with near-zero latency. Unlike traditional voice assistants, it backchannels with "uh-huh" and "right" while you're still talking.

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Editorial
Published2026-01-25