Text to Speech in over 50 languages
150+ ready-to-deploy voices make it easy to serve drivers globally. Deliver a natural user experience across regions and contexts.
Embedded and on-device TTS for IVI systems, HMIs, and connected in-car experiences. Fast, offline, low-latency voice output optimised for automotive, with options to extend seamlessly to cloud and server environments. Consistent branded audio identity with our SDKs and custom neural voices.




The in-car assistant reports a low front-left tyre and offers to route to a service station.
A driver-safety prompt spoken while lane keeping is active.
The infotainment system suggesting a playlist to match the weather.
The car handing over to the home: porch lights on, thermostat set.
Tyre pressure is slightly low on the front left. I'll guide you to the nearest service station when you're ready.
Please keep both hands on the wheel. Lane assist is active and helping you stay centered.
It's a sunny day out there. Fancy some upbeat tunes for your drive? Here's a playlist to get you started.
You're almost home. I've turned on the porch lights and adjusted the thermostat to 72 degrees.
Use cases

Natural-sounding voice assistants that manage entertainment, phone calls, and navigation systems while ensuring a safe, hands-free experience.

Lifelike voice output for media playback, audiobooks, podcasts, notifications, and real-time service updates that enhance the in-car experience.

Notifications and alerts for maintenance, battery levels, lane departure warnings, emergency messages, and other safety-critical updates.

Integrate TTS into smart-home platforms, companion apps, telematics systems, and OEM cloud services to provide seamless continuity beyond the vehicle.

Deploy custom AI voices across IVI systems, instrument clusters, companion apps, and connected services to maintain a unified, recognizable audio identity.

Support emerging mobility solutions, from autonomous driving voice output to EV fleet notifications and multimodal platform integration, with flexible, offline-capable TTS.
Benefits
Replace distracting touchscreens with natural voice commands. Drivers can control in-car functions, answer phone calls, and manage navigation systems without taking their eyes off the road, with clear TTS feedback.
Give drivers and passengers an immersive in-car experience: lifelike digital assistants that read audiobooks and podcasts, deliver alerts, and sync seamlessly with the infotainment system.
Drivers expect their voice technology to connect across the smart home and car. With ReadSpeaker, brands can deliver continuity between vehicles and platforms.
An exclusive voice interface reinforces brand recognition across model lines, vehicle platforms, and connected ecosystems.
ReadSpeaker TTS supports the shift toward software-defined vehicles with secure, on-device, low-latency voice output that powers next-generation connected, autonomous, and multimodal mobility platforms.
Whether embedded on-device or cloud-based, ReadSpeaker TTS fits seamlessly into any automotive technology stack, delivering the reliability required by OEMs and Tier 1 suppliers.
Languages & voices
The right in-car voice shapes clarity, safety, and brand experience. ReadSpeaker provides both ready-to-use multilingual neural voices and custom voice creation to deliver a consistent audio identity across every vehicle and connected touchpoint.
150+ ready-to-deploy voices make it easy to serve drivers globally. Deliver a natural user experience across regions and contexts.
Create a unique custom voice that embodies your brand identity. Deploy it consistently across vehicles, apps, and connected services.
Pricing
Our flexible pricing adapts to the needs of OEMs, suppliers, and integrators:
Get a free quoteUsage-based credits for testing and pilots
Licensing fees for large-scale deployments
Subscriptions for predictable global operations
FAQ
Find quick answers to common questions about our text-to-speech products and services.
Automotive voice AI is the use of text to speech and speech recognition to power in-car voice assistants and voice user interfaces. It enables drivers to control navigation systems, infotainment systems, and other in-car functions using natural, hands-free speech.
Text to speech improves the driving experience by delivering clear, real-time notifications, navigation guidance, and entertainment without distractions. Drivers can listen to audiobooks, podcasts, or service alerts while keeping their hands on the wheel.
Yes. Automakers and OEMs can create a custom-branded digital assistant using ReadSpeaker's AI-powered voice. This allows car manufacturers to differentiate with unique, lifelike voices that reinforce brand identity across vehicles.
ReadSpeaker TTS integrates seamlessly with infotainment systems and navigation systems through SDKs, embedded solutions, or cloud APIs. It provides natural voices for directions, menus, media playback, and in-car functions.
Yes. OEMs can deploy fully embedded text to speech that works offline, ensuring reliability in tunnels, rural areas, or areas with poor connectivity. This makes voice functions always available to drivers.
ReadSpeaker TTS complements existing digital assistants such as Siri, Google Assistant, and Amazon Alexa. Automakers can combine ReadSpeaker's voice technology with these assistants or create a standalone personal assistant.
Automotive text to speech is optimized for in-vehicle environments, extending the in-car experience into the smart home ecosystem. Drivers can use the vehicle's voice interface to control home devices or continue conversations seamlessly across platforms.
Neural text to speech delivers natural, human-sounding voice output that's optimized for in-vehicle conditions. Unlike generative AI speech models, automotive TTS is lightweight, predictable, and resource-efficient, ideal for embedded, real-time systems where reliability is essential. Combined with ASR for voice input, it forms a reliable foundation for safe, consistent in-car communication.
Major car manufacturers are already using voice technology for infotainment systems, navigation systems, and branded in-car assistants.
ReadSpeaker offers proven, flexible voice solutions trusted by leading OEMs and automakers. With lifelike voices, on-device and cloud deployment, and expertise in automotive technology, we help brands deliver safer, more engaging in-car experiences.