Deliver consistent, high-quality, natural-sounding voice output across smart devices, appliances, robotics, kiosks, and IoT systems. ReadSpeaker's speech synthesizer runs offline, on-device, or in hybrid deployments, so you can embed lifelike text-to-speech voices anywhere.
A home security panel confirming that every zone is secured for the night.
A wearable congratulating its user on hitting the day's step target.
A terminal inviting the traveller to touch the screen or say a destination.
A connected appliance announcing that the food is ready, and hot.
Front door locked. All zones are secured. Have a safe evening.
Nice one, you've hit your daily step goal. Keep it up mate.
Welcome. Touch the screen to begin or say your destination to get started.
Your pizza is ready. Please remove it carefully. It's hot.
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Use cases
Enable devices to speak in real time with no internet required. ReadSpeaker's embedded voice generator produces high-quality text to speech directly on the device for instant, private interaction.
Add responsive, multilingual TTS to smart homes for seamless voice interaction. With ReadSpeaker's small footprint speech synthesizer, appliances and automation systems speak naturally, offline, and securely.
Robots and assistive devices require lifelike, humanlike voices to communicate effectively. ReadSpeaker delivers expressive, natural-sounding speech synthesis optimized for robotics and accessibility.
Industrial devices demand reliable offline text-to-speech in rugged or high-security environments. ReadSpeaker ensures consistent voice integration across IoT systems without cloud dependency.
Combine embedded runtime with cloud scalability. ReadSpeaker's embedded SDKs and text-to-speech API ensure the same brand voice across devices, apps, and dashboards.
Make devices easier to use for everyone by adding spoken menus, notifications, and alerts that support inclusive UX design and accessibility goals aligned with ADA, EAA, and WCAG principles.
Benefits
Generate high-quality speech synthesis directly on-device. Always available, private, and secure.
Optimized for iOS, Android, and Embedded Linux. Small-footprint TTS engine (6–35 MB per voice). Portable to other systems on request.
Over 150 text-to-speech voices in 50+ languages to power multilingual, embedded applications.
Integrate via embedded SDKs, private cloud, or hybrid models. Developer-friendly APIs and a full toolkit simplify integration.
Use one consistent voice across appliances, apps, and dashboards. Create a custom branded voice with our VoiceLab.
Proven embedded speech synthesis engine for large-scale voice integration.
Meet accessibility standards while enhancing usability with spoken content in multiple languages.
Our linguists and engineers provide tuning, SSML (Speech Synthesis Markup Language) control, and pronunciation optimization.
Decades of innovation in text to speech for automotive, consumer electronics, IoT, and audiobooks. The embedded TTS vendor of choice worldwide.
Languages & voices
Whether you choose one of our 150+ ready-to-deploy voices or create a custom AI voice with our VoiceLab, ReadSpeaker's high-quality text-to-speech voices fit seamlessly into embedded ecosystems.
From German, French, Swedish, Korean, and Norwegian to Japanese, Arabic, Italian, and Spanish, our multilingual voices bring clear, natural-sounding speech synthesis to embedded devices worldwide. Optimized for small footprint SDKs, they run reliably even on constrained hardware.
With a custom branded voice, your appliances, robotics, and IoT systems sound unique. Build brand authority with a recognizable voice deployed across SDKs, APIs, and companion apps.
Compliance
Products
Whether you deploy voices on-device, in the cloud, or across hybrid ecosystems, ReadSpeaker offers a full toolkit of TTS engines, APIs, and tools for embedded and enterprise needs.
Enable real-time, offline speech synthesis on constrained hardware.
Scale TTS in companion apps and dashboards.
Secure, on-premise or edge speech synthesizer for multi-device ecosystems.
Create and manage spoken prompts and audio content for onboarding, training, and alerts.
ReadSpeaker also powers runtime on-device voices in Gaming, with plugins for Unreal Engine, Unity, and Wwise.
ReadSpeaker TTS integrates seamlessly into your existing standards-based platform infrastructure.
Using another platform? No problem. We offer custom porting to deliver TTS anywhere.
Enable real-time, offline speech synthesis on constrained hardware.
6–35 MBper voice
Pricing
Examples of Embedded TTS Pricing Models, adaptable to your technical and commercial framework:
Request a trial or pricing discussionPer-Device LicensingOEM pricing for appliances, wearables, robotics.
Cloud SubscriptionsUsage-based pricing for apps and dashboards.
Custom Voice PackagesUnique branded voices tailored to your product lines.
OEM & Enterprise DiscountsCost-effective at scale.
FAQ
Find quick answers to common questions about our text-to-speech products and services.
Yes. Our embedded text-to-speech engines generate high-quality, natural-sounding speech locally, making them ideal for appliances, robotics, and IoT.
Our small footprint speech synthesis engine runs on iOS, Android, and Embedded Linux, with a footprint of approximately 6–35 MB per voice. Other operating systems can be supported upon request.
Yes. The same voice can run via SDK, in the cloud via text-to-speech API, or in hybrid deployments.
Yes. Our multilingual voice library includes 150+ voices in 50+ languages, including French, Italian, Korean, and Norwegian.
Absolutely. Our VoiceLab builds custom AI voices deployable across embedded SDKs, APIs, and apps.
Our offline runtime TTS ensures data stays on-device. ReadSpeaker operates within the framework of GDPR and is ISO/IEC 27001:2022 compliant.
Smart homes & domotics, Robotics & assistive tech, Industrial & enterprise IoT, Consumer electronics, gaming, and audiobooks.
Devices speak menus, timers, and notifications aloud, ensuring compliance with ADA, EAA, and WCAG while supporting users with visual impairments and literacy challenges.
No. The speechEngine SDK provides developer-friendly APIs, SSML (Speech Synthesis Markup Language) support, and full documentation.
Unlike cloud-only vendors, ReadSpeaker provides true embedded runtime text-to-speech with small footprint performance, multilingual coverage, high-quality voices, and standards support including and SSML.
