The voice intelligence company | MIT-alum founded. LLMs read text. We listen and understand: Try Velma 2.0.
Boston, MA
Joined August 2017
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We just raised $25M in new funding led by Future Ventures (@VenturesVc), with @HyperplaneVC and @lakestarvc - bringing Modulate’s total funding to $60 million.
Building the next phase of audio-native AI: more models, more developers, more of the stack that actually understands voice.
Where we stand today:
- Ranked #1 on Hugging Face for deepfake detection and transcription
- 600M+ hours of audio analyzed
- 10M+ hours analyzed every month
A foundational layer of the AI stack is getting more powerful. More soon.
One month ago today, the Modulate team came together for a Red Sox game at Fenway Park during Wavelength 2026! ⚾️
With teammates coming together from different places, including our remote team members, it was a great opportunity to spend time in person, strengthen connections, and make memories outside of work. Most of us even took the T to Fenway, making the journey part of the experience!
At Modulate, building a great team goes beyond the work we do. It’s about bringing people together, building connections across the team, and making time for moments like these.
A great game, even better company, and a memorable night at Fenway! ⚾️🙌
“I’m fine.”
The transcript says one thing. The voice can say something completely different.
Velma by Modulate hears what speech-to-text misses: tone, emotion, hesitation and conversational context.
Stop transcribing. Start truly listening.
Build it into your own stack with Modulate APIs. 1,000 free credits to start.👇
primary_verdict: “ai-vocal-music”
Modulate AI Music Detection returns a clip verdict, separate AI scores for vocals and instrumentals, and per-window results every 4 seconds.
Batch or streaming. Get 1,000 free API credits: modulate.ai/api-overview?utm…
AI agents are starting to make phone calls. What happens when a business refuses to talk to them?
This Tuesday, join Modulate for a LinkedIn Live on detecting AI callers and routing humans to humans, bots to bots.
Join us: bit.ly/47njIOu
Clinical audiology sessions are messy 👀
Overlapping speakers. Emotional nuance flat transcripts miss. Notes that need to be instant, not "eventually."
One developer needed transcription that could keep up.
So they built their AI Scribe SaaS on Velma 2.
The result:
👉 Live diarization
👉 Emotional context per utterance
👉 Clinical notes generated in real time
Their words, not ours:
⭐ 5/5: "Accurate Transcriptions with Emotional Context at a Fantastic Price."
This is what audio-native voice intelligence looks like in production 💯
Start building with our APIs. 1000 free credits on us: shorturl.at/BVWq8
Modulate retweeted
Building voice agents is half the problem.
Knowing what’s actually happening in those conversations is the other half.
In Atlanta for VON, demoing @modulate_ai at VoiceAI LIVE! today alongside @SoundHound and others.
2:40 PM, Room C. Come say hi. I’ll be listening to how you say it.
Last week at #SFTechWeek 🎙️
From a rooftop happy hour with VoiceRun to a hackathon with fellow builders, we spent the week connecting with the people shaping the future of voice AI.
Thanks to everyone who joined us. Until next time, SF!
Modulate retweeted
I used to teach spacecraft to see.
Now I teach software to listen.
@modulate_ai recently raised $25M, led by Future Ventures, to build the listening layer for AI.
Cosmology → JPL → voice. Here’s the path 🧵
Speech recognition = audio in, text out. That's the easy version.
Our CEO and Co-founder @whuffman on why real understanding means reading accent, tone, emotion, and cadence too - not just the words.
We're hiring for people who think this way.
See open roles: hubs.ly/Q04xDKp90
#hiring