Guides and research on voice identity for AI: voice-clone and replay detection, liveness, speaker verification, voice agent security and on-device Physical AI.https://vosco.ai/blogenTue, 06 Oct 2026 09:00:00 GMThttps://vosco.ai/blog/what-is-voice-identity-for-ai-agentshttps://vosco.ai/blog/what-is-voice-identity-for-ai-agentsVoice identity tells an AI system who is speaking and whether the voice is live, cloned or replayed — so it can decide whether to act. A practical primer.Tue, 06 Oct 2026 09:00:00 GMTVoice agentsSpeaker recognitionhttps://vosco.ai/blog/voice-cloning-attacks-on-ai-voice-agentshttps://vosco.ai/blog/voice-cloning-attacks-on-ai-voice-agentsA few seconds of public audio is enough to clone a voice that passes every knowledge check. How the attack works against AI voice agents, and the defences that hold.Tue, 29 Sep 2026 09:00:00 GMTVoice agentsDeepfake detectionSecurityhttps://vosco.ai/blog/replay-attacks-vs-synthetic-voiceshttps://vosco.ai/blog/replay-attacks-vs-synthetic-voicesA replayed recording and a cloned voice are different attacks with different artefacts. Why voice security needs both replay detection and synthetic-speech detection.Tue, 22 Sep 2026 09:00:00 GMTDeepfake detectionLivenesshttps://vosco.ai/blog/voice-liveness-detection-explainedhttps://vosco.ai/blog/voice-liveness-detection-explainedLiveness detection checks that a real person is speaking now — not a recording, a replay or a clone through a speaker. How it works, passive vs. active, and where it fits.Tue, 15 Sep 2026 09:00:00 GMTLivenessResearchhttps://vosco.ai/blog/speaker-verification-vs-identificationhttps://vosco.ai/blog/speaker-verification-vs-identificationSpeaker verification checks a claimed identity; speaker identification finds who is speaking among many. How each works, when to use which, and how voiceprints fit in.Tue, 08 Sep 2026 09:00:00 GMTSpeaker recognitionhttps://vosco.ai/blog/why-voice-trust-must-run-on-device-for-robotshttps://vosco.ai/blog/why-voice-trust-must-run-on-device-for-robotsRobots and smart devices take voice commands that move things in the real world. Why their voice identity checks must run on the chip — offline, instant, private and secure.Tue, 01 Sep 2026 09:00:00 GMTPhysical AIhttps://vosco.ai/blog/trusted-devices-second-factor-for-voicehttps://vosco.ai/blog/trusted-devices-second-factor-for-voiceFor high-risk spoken commands, a phone, watch or earbuds can independently verify the speaker and sign the result. How trusted-device verification works for Physical AI.Tue, 25 Aug 2026 09:00:00 GMTPhysical AISecurityhttps://vosco.ai/blog/add-voice-verification-to-twilio-voice-agentshttps://vosco.ai/blog/add-voice-verification-to-twilio-voice-agentsFork the caller’s audio with Twilio Media Streams, score it in real time with the Vosco API, and gate sensitive actions on the trust result. A step-by-step pattern.Tue, 18 Aug 2026 09:00:00 GMTIntegrationsDevelopersVoice agentshttps://vosco.ai/blog/caller-verification-in-vapi-livekit-pipecathttps://vosco.ai/blog/caller-verification-in-vapi-livekit-pipecatWhere a voice trust check fits in the three most common voice agent stacks — Vapi tools, LiveKit audio tracks and Pipecat pipelines — plus meetings via Recall.ai and MCP.Tue, 11 Aug 2026 09:00:00 GMTIntegrationsVoice agentshttps://vosco.ai/blog/voice-model-efficiency-index-explainedhttps://vosco.ai/blog/voice-model-efficiency-index-explainedAccuracy alone hides the cost of running a model. The efficiency index weighs synthesis-detection accuracy against model size — and explains why small models matter.Tue, 04 Aug 2026 09:00:00 GMTResearchhttps://vosco.ai/blog/redimnet-speaker-recognition-researchhttps://vosco.ai/blog/redimnet-speaker-recognition-researchReDimNet and ReDimNet2 are open-source speaker-recognition architectures co-authored by Vosco’s team. What they are, why they lead on accuracy versus cost, and why it matters on-device.Tue, 28 Jul 2026 09:00:00 GMTResearchSpeaker recognitionhttps://vosco.ai/blog/real-time-voice-trust-for-contact-centershttps://vosco.ai/blog/real-time-voice-trust-for-contact-centersScore every call for synthetic, replay and speaker risk from the first seconds — before the queue — and keep scoring throughout. How contact centers add voice trust without new friction.Tue, 21 Jul 2026 09:00:00 GMTContact centersDeepfake detection