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See how on-screen text becomes spoken audio in real time using Telnyx Text-to-Speech. Want to build smarter voice experiences? From AI companions to wellness apps, interactive kiosks, and news readers, real-time TTS is quietly powering the next wave of human-tech interaction. Explore why real-time TTS is becoming a must-have...

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Telnyx

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17,058 görüntüleme • 7 ay önce •via X (Twitter)

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Introducing Marvis-TTS 🔥🚀 A new local-first TTS model Lucas Newman and I built for efficiency, accessibility, and real-time performance right on consumer devices like Apple Silicon, iPhones, iPads, and more. Traditional TTS models often demand full text inputs or sacrifice real-time capabilities, Marvis flips the script. It streams audio chunks as text is processed, creating a truly conversational experience. No more awkward pauses or unnatural breaks—Marvis handles the entire text context intelligently to deliver coherent, expressive speech. Get started today: > pip install -U mlx-audio
3:57

Introducing Marvis-TTS 🔥🚀 A new local-first TTS model Lucas Newman and I built for efficiency, accessibility, and real-time performance right on consumer devices like Apple Silicon, iPhones, iPads, and more. Traditional TTS models often demand full text inputs or sacrifice real-time capabilities, Marvis flips the script. It streams audio chunks as text is processed, creating a truly conversational experience. No more awkward pauses or unnatural breaks—Marvis handles the entire text context intelligently to deliver coherent, expressive speech. Get started today: > pip install -U mlx-audio

Prince Canuma

81,345 görüntüleme • 10 ay önce

Build a real-time AI Voice Agent that can actually sell. In less than 30 minutes, you'll learn how to build a sophisticated real-time voice sales agent that can have natural conversations with potential customers. Includes a full code notebook, recorded tutorial, and docs The stack: ⚡ fast inference 🎙 LiveKit for real-time audio/video infrastructure 🗣 realistic speech synthesis (STT/TTS)
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Build a real-time AI Voice Agent that can actually sell. In less than 30 minutes, you'll learn how to build a sophisticated real-time voice sales agent that can have natural conversations with potential customers. Includes a full code notebook, recorded tutorial, and docs The stack: ⚡ fast inference 🎙 LiveKit for real-time audio/video infrastructure 🗣 realistic speech synthesis (STT/TTS)

Sarah Chieng

452,438 görüntüleme • 9 ay önce

Day 1 of 3 days of MLX: Introducing MLX-Audio-Swift SDK 🚀 A modular Swift SDK for voice agents and tasks on Apple Silicon built by Lucas Newman and yours truly. iOS, macOS, and visionOS developers can now build native apps with real-time, on-device audio intelligence: 🗣️ Text-to-Speech (TTS) 👂 Speech-to-Text (STT) 🔄 Speech-to-Speech (STS) 🎙️ Voice Activity Detection (VAD) and more. Only import the capabilities you need, nothing extra. Get started today and leave us a star ⭐️
4:29

Day 1 of 3 days of MLX: Introducing MLX-Audio-Swift SDK 🚀 A modular Swift SDK for voice agents and tasks on Apple Silicon built by Lucas Newman and yours truly. iOS, macOS, and visionOS developers can now build native apps with real-time, on-device audio intelligence: 🗣️ Text-to-Speech (TTS) 👂 Speech-to-Text (STT) 🔄 Speech-to-Speech (STS) 🎙️ Voice Activity Detection (VAD) and more. Only import the capabilities you need, nothing extra. Get started today and leave us a star ⭐️

Prince Canuma

160,927 görüntüleme • 4 ay önce

Did xAI just mass-murder the entire voice AI industry? 🤯 Grok just launched two voice APIs. Speech-to-Text and Text-to-Speech. Built on the same stack powering Tesla cars and Starlink support. And priced at 10x cheaper than ElevenLabs. Speech-to-Text: $0.10/hr batch. $0.20/hr streaming. Text-to-Speech: $4.20 per million characters. 25+ languages. Real-time streaming. Speaker diarization. Already outperforming ElevenLabs, Deepgram, and AssemblyAI on word error rate. TTS ships with expressive tags like [laugh], [sigh], , . Voices that don't sound like robots reading a script. ElevenLabs spent years building a voice AI company. xAI built voice AI for cars and satellites.
0:27

Did xAI just mass-murder the entire voice AI industry? 🤯 Grok just launched two voice APIs. Speech-to-Text and Text-to-Speech. Built on the same stack powering Tesla cars and Starlink support. And priced at 10x cheaper than ElevenLabs. Speech-to-Text: $0.10/hr batch. $0.20/hr streaming. Text-to-Speech: $4.20 per million characters. 25+ languages. Real-time streaming. Speaker diarization. Already outperforming ElevenLabs, Deepgram, and AssemblyAI on word error rate. TTS ships with expressive tags like [laugh], [sigh], , . Voices that don't sound like robots reading a script. ElevenLabs spent years building a voice AI company. xAI built voice AI for cars and satellites.

Vaibhav Sisinty

24,529,829 görüntüleme • 2 ay önce

Vidu S1, the World’s Most Advanced Model for Real-Time AI Interaction Vidu S1 introduces a new era of real-time interactive video. Voice-Driven Character Control: Go beyond voice-driven lip sync with real-time behavior generation. Characters understand, react, and respond naturally. Unlimited Real-Time Generation: Experience seamless real-time video generation with unlimited interaction duration. 540P at 25 FPS, built for live interaction: Generate video in real time at 540P / 25 FPS, with support for up to 42 FPS for even smoother experiences. Create Custom Characters from Images & Voices: Customize both appearance and voice. Bring humans, anime characters, pets, and more to life with personalized AI characters. Use code VIDUS1 to get started for free.
0:54

Vidu S1, the World’s Most Advanced Model for Real-Time AI Interaction Vidu S1 introduces a new era of real-time interactive video. Voice-Driven Character Control: Go beyond voice-driven lip sync with real-time behavior generation. Characters understand, react, and respond naturally. Unlimited Real-Time Generation: Experience seamless real-time video generation with unlimited interaction duration. 540P at 25 FPS, built for live interaction: Generate video in real time at 540P / 25 FPS, with support for up to 42 FPS for even smoother experiences. Create Custom Characters from Images & Voices: Customize both appearance and voice. Bring humans, anime characters, pets, and more to life with personalized AI characters. Use code VIDUS1 to get started for free.

Vidu AI

1,526,198 görüntüleme • 12 gün önce

ELON: THE FUTURE OF AI IS REAL-TIME VIDEO COMPREHENSION AND GENERATION Elon said most human-AI interaction will soon happen through real-time video, both in understanding and creating it. He explained that while text carries higher information density, video already dominates the internet in both data generation and compute demand: “Most interaction is going to be real-time video with AI, real-time video comprehension and real-time video generation. That’s going to be most of the load, and that’s how it is for most of the internet right now. Most of the internet is video. Text is a pretty small percentage, but it tends to be higher value or more densely compressed information. If you look at the most bits generated and compute spent, it’s certainly going to be video.” Source: Nikhil Kamath
1:05

ELON: THE FUTURE OF AI IS REAL-TIME VIDEO COMPREHENSION AND GENERATION Elon said most human-AI interaction will soon happen through real-time video, both in understanding and creating it. He explained that while text carries higher information density, video already dominates the internet in both data generation and compute demand: “Most interaction is going to be real-time video with AI, real-time video comprehension and real-time video generation. That’s going to be most of the load, and that’s how it is for most of the internet right now. Most of the internet is video. Text is a pretty small percentage, but it tends to be higher value or more densely compressed information. If you look at the most bits generated and compute spent, it’s certainly going to be video.” Source: Nikhil Kamath

Mario Nawfal

15,670 görüntüleme • 7 ay önce

Introducing GPT-4o, our new model which can reason across text, audio, and video in real time. It's extremely versatile, fun to play with, and is a step towards a much more natural form of human-computer interaction (and even human-computer-computer interaction):
5:54

Introducing GPT-4o, our new model which can reason across text, audio, and video in real time. It's extremely versatile, fun to play with, and is a step towards a much more natural form of human-computer interaction (and even human-computer-computer interaction):

Greg Brockman

4,360,113 görüntüleme • 2 yıl önce

UPDATE: Four new open models on the Text to Speech Arena! 🔥 *sound on🔉* As the Text-to-Speech ecosystem is heating up, we decided to add more competition. > Parler TTS > VoiceCraft > Vokan > GPT-SOVITS Why is this important? The TTS ecosystem is riddled with opaque metrics and meaningless MOS scores. By crowdsourcing the evals, we test these models in real-life conditions and much more methodically. ⚡ Rank one, rank'em all! 🚀
1:29

UPDATE: Four new open models on the Text to Speech Arena! 🔥 *sound on🔉* As the Text-to-Speech ecosystem is heating up, we decided to add more competition. > Parler TTS > VoiceCraft > Vokan > GPT-SOVITS Why is this important? The TTS ecosystem is riddled with opaque metrics and meaningless MOS scores. By crowdsourcing the evals, we test these models in real-life conditions and much more methodically. ⚡ Rank one, rank'em all! 🚀

Vaibhav (VB) Srivastav

40,944 görüntüleme • 2 yıl önce

Thanks to OKX Wallet for having us again! We had a great time chatting about the Pieverse x OKX APP campaign and how AI agents can bring users into onchain markets through real, hands-on participation. In this next wave, we’ll see more agent experiences that make markets, payments, and trading more accessible in real time. 🦾
0:55

Thanks to OKX Wallet for having us again! We had a great time chatting about the Pieverse x OKX APP campaign and how AI agents can bring users into onchain markets through real, hands-on participation. In this next wave, we’ll see more agent experiences that make markets, payments, and trading more accessible in real time. 🦾

pieverse

21,461 görüntüleme • 1 ay önce

How to build the world's fastest voice AI bot: - Self-host speech-to-text, LLM inference, and text-to-speech all together in the same container/cluster. - Route audio over the internet using WebRTC and edge networking. - Configure timings for voice activity detection, phrase endpointing, and other parts of the pipeline to optimize for latency. (There are trade-offs to doing this!) Here's a LLama 3 voice bot that has voice-to-voice response times of ~500ms. We used Deepgram's STT and TTS for this bot, and everything is hosted on cerebriumai's serverless GPU infrastructure.
4:18

How to build the world's fastest voice AI bot: - Self-host speech-to-text, LLM inference, and text-to-speech all together in the same container/cluster. - Route audio over the internet using WebRTC and edge networking. - Configure timings for voice activity detection, phrase endpointing, and other parts of the pipeline to optimize for latency. (There are trade-offs to doing this!) Here's a LLama 3 voice bot that has voice-to-voice response times of ~500ms. We used Deepgram's STT and TTS for this bot, and everything is hosted on cerebriumai's serverless GPU infrastructure.

kwindla

282,587 görüntüleme • 2 yıl önce

Voice‑driven, real‑time arbitrary action generation😁 Using external voice commands, G1 is directly controlled to generate a wide range of actions in real time. This video was recorded in a single take, with on‑site audio recording. Because the actions are autonomously generated by AI in real time, there may be slight latency, and the smoothness of the movements may be somewhat reduced.
2:24

Voice‑driven, real‑time arbitrary action generation😁 Using external voice commands, G1 is directly controlled to generate a wide range of actions in real time. This video was recorded in a single take, with on‑site audio recording. Because the actions are autonomously generated by AI in real time, there may be slight latency, and the smoothness of the movements may be somewhat reduced.

Unitree

29,017,924 görüntüleme • 1 ay önce

xAI just dropped 2 absolute monsters: Grok Speech-to-Text + Grok Text-to-Speech APIs Same battle-tested stack that runs Grok Voice, millions of Tesla cars, and Starlink support. - STT: Real-time WebSocket, speaker diarization, 25+ languages, word-level timestamps. - TTS: Super natural, expressive voices with tags for laugh, sigh, whisper, emphasis, pause; batch + streaming. Put voice AI on the list of things Grok already 100%'d xAI, Grok
0:27

xAI just dropped 2 absolute monsters: Grok Speech-to-Text + Grok Text-to-Speech APIs Same battle-tested stack that runs Grok Voice, millions of Tesla cars, and Starlink support. - STT: Real-time WebSocket, speaker diarization, 25+ languages, word-level timestamps. - TTS: Super natural, expressive voices with tags for laugh, sigh, whisper, emphasis, pause; batch + streaming. Put voice AI on the list of things Grok already 100%'d xAI, Grok

Mario Nawfal

164,850 görüntüleme • 2 ay önce

We’re thrilled to introduce the world’s fastest Conversational Video Interface for developers. Build rich, real-time video experiences with digital twins that can speak, see, and hear. ⏱️ Less than one second of latency 🤖 Realistic, intelligent digital twins 🔌 Plug and play end-to-end building blocks 🏷️ Fully white-labeled tech 🧩 Modular, customizable components like LLM & TTS See the magic! Try talking to Carter live:
2:29

We’re thrilled to introduce the world’s fastest Conversational Video Interface for developers. Build rich, real-time video experiences with digital twins that can speak, see, and hear. ⏱️ Less than one second of latency 🤖 Realistic, intelligent digital twins 🔌 Plug and play end-to-end building blocks 🏷️ Fully white-labeled tech 🧩 Modular, customizable components like LLM & TTS See the magic! Try talking to Carter live:

Tavus

35,644 görüntüleme • 1 yıl önce

This is the fastest text-to-speech and speech-to-text API out there. It's under 250 ms to first-byte latency. That's what we need to deploy conversational AI applications everywhere! (I can't wait for the death of automated voice machines.) Look at the attached video. For the first time, I could have a conversation with an AI agent in real time without awkward pauses. This technology is Aura from Deepgram. It's the fastest text-to-speech option I've seen. Here is a GitHub repository with the demo in the video: You can use it to build a conversational AI application using natural voice. You'll need a Deepgram API Key and an OpenAI API Key. Thanks to Deepgram for giving me access to Aura and collaborating with me on this post. If you want to learn more about Aura, here is the announcement post:
3:38

This is the fastest text-to-speech and speech-to-text API out there. It's under 250 ms to first-byte latency. That's what we need to deploy conversational AI applications everywhere! (I can't wait for the death of automated voice machines.) Look at the attached video. For the first time, I could have a conversation with an AI agent in real time without awkward pauses. This technology is Aura from Deepgram. It's the fastest text-to-speech option I've seen. Here is a GitHub repository with the demo in the video: You can use it to build a conversational AI application using natural voice. You'll need a Deepgram API Key and an OpenAI API Key. Thanks to Deepgram for giving me access to Aura and collaborating with me on this post. If you want to learn more about Aura, here is the announcement post:

Santiago

185,560 görüntüleme • 2 yıl önce

Introducing Interactive Build. Build faster. Build smarter. Interactive Build lets you collaborate directly with Alchemist AI via text or voice, powered by OpenAI’s real-time APIs. No need to craft the perfect prompt from scratch, just start talking. Describe your idea, and Alchemist AI will guide you with intelligent, dynamic questions, transforming your vision into a structured, optimized prompt ready for generation. Whether you’re starting fresh or refining an existing project, Interactive Build streamlines the process, taking you from concept to execution faster, with less effort and no guesswork. One conversation. One creation. All in real time.
0:28

Introducing Interactive Build. Build faster. Build smarter. Interactive Build lets you collaborate directly with Alchemist AI via text or voice, powered by OpenAI’s real-time APIs. No need to craft the perfect prompt from scratch, just start talking. Describe your idea, and Alchemist AI will guide you with intelligent, dynamic questions, transforming your vision into a structured, optimized prompt ready for generation. Whether you’re starting fresh or refining an existing project, Interactive Build streamlines the process, taking you from concept to execution faster, with less effort and no guesswork. One conversation. One creation. All in real time.

ALCHEMIST AI 🔮

19,789 görüntüleme • 1 yıl önce

We’re on a path to video of any kind being imagined by a model in real-time. Because it’s real-time generated, each video becomes fully interactive & personalized. Type or speak into the model, and the video will respond in real-time. A revolutionary form of media is emerging!
1:21

We’re on a path to video of any kind being imagined by a model in real-time. Because it’s real-time generated, each video becomes fully interactive & personalized. Type or speak into the model, and the video will respond in real-time. A revolutionary form of media is emerging!

Oliver Cameron

67,924 görüntüleme • 11 ay önce

Text-to-speech is moving way too fast. Just a few days ago, I tweeted about PersonaPlex-7B, NVIDIA's new open source TTS ( And today, Qwen just open-sourced Qwen3-TTS 🤯 It’s a revolutionary text-to-speech model built for control. Not just about generating speech, but about shaping how it sounds directly from language. You can guide the pace, the tone, and the expressiveness straight from text, without touching audio graphs or hand-tuning parameters. That’s the real shift! What makes Qwen3-TTS stand out is how practical it already is: → voice cloning from just a few seconds of audio → voice creation without any reference sample → support for 10 languages out of the box → end-to-end latency down to ~97ms → works in both streaming and non-streaming setups The models come in two sizes (0.6B and 1.7B), so you can trade off quality and hardware cost depending on your setup. You can work with curated voices, designed voices, or cloned ones, and it integrates cleanly with vLLM for production use. It also ships as a simple Python package you can pip install. If you’re building real-time voice systems, this removes a lot of friction! 100% free and open source. I put the repo in the 🧵↓
0:41

Text-to-speech is moving way too fast. Just a few days ago, I tweeted about PersonaPlex-7B, NVIDIA's new open source TTS ( And today, Qwen just open-sourced Qwen3-TTS 🤯 It’s a revolutionary text-to-speech model built for control. Not just about generating speech, but about shaping how it sounds directly from language. You can guide the pace, the tone, and the expressiveness straight from text, without touching audio graphs or hand-tuning parameters. That’s the real shift! What makes Qwen3-TTS stand out is how practical it already is: → voice cloning from just a few seconds of audio → voice creation without any reference sample → support for 10 languages out of the box → end-to-end latency down to ~97ms → works in both streaming and non-streaming setups The models come in two sizes (0.6B and 1.7B), so you can trade off quality and hardware cost depending on your setup. You can work with curated voices, designed voices, or cloned ones, and it integrates cleanly with vLLM for production use. It also ships as a simple Python package you can pip install. If you’re building real-time voice systems, this removes a lot of friction! 100% free and open source. I put the repo in the 🧵↓

Charly Wargnier

59,144 görüntüleme • 5 ay önce

Elon Musk: In 5-6 years, the phone becomes an AI edge node — basically a screen and audio "no apps, no operating systems" a cloud AI talks to your on-device AI, generating real-time video you'll get everything through AI that anticipates what you want
1:46

Elon Musk: In 5-6 years, the phone becomes an AI edge node — basically a screen and audio "no apps, no operating systems" a cloud AI talks to your on-device AI, generating real-time video you'll get everything through AI that anticipates what you want

Haider.

1,024,661 görüntüleme • 8 ay önce

Unreal Engine 5 is becoming the go-to platform for robotics teams, not just as a simulator but as a synthetic data factory powering the next generation of robotics systems🦾 From synthetic data to sim-to-real transfer, read our piece on how UE5 is quietly reshaping how robots learn to see, move, and act in the real world:
0:36

Unreal Engine 5 is becoming the go-to platform for robotics teams, not just as a simulator but as a synthetic data factory powering the next generation of robotics systems🦾 From synthetic data to sim-to-real transfer, read our piece on how UE5 is quietly reshaping how robots learn to see, move, and act in the real world:

Unreal Engine

61,187 görüntüleme • 3 ay önce