# ReadSpeaker > Enterprise text-to-speech (TTS) solutions with 200+ AI voices in 50+ languages. ReadSpeaker provides web accessibility tools, APIs, SDKs, and custom voice development for businesses worldwide. ISO/IEC 27001:2022 certified, WCAG 2.2 AA compliant, and GDPR compliant. Over 25 years of experience and 12,000+ customers globally. ReadSpeaker is a global voice technology specialist delivering natural-sounding AI-powered text-to-speech solutions. The company uses proprietary Deep Neural Network (DNN) technology and offers deployment options including SaaS, on-premise servers, embedded SDKs, and cloud APIs. All voices are built in-house using authorized voice recordings with an ethical AI commitment—no user data collection. **Ownership:** In September 2025, HOYA Corporation agreed to transfer the ReadSpeaker business to Marunouchi Capital Fund III. Previously, ReadSpeaker operated as part of HOYA's Memory Disk Division. ## Products ### Online Content Reading - [webReader](https://www.readspeaker.com/solutions/text-to-speech-online/readspeaker-webreader/): Real-time voice plugin for reading web pages aloud with translation support - [docReader](https://www.readspeaker.com/solutions/text-to-speech-online/readspeaker-docreader/): Cloud-based tool for reading PDFs and online documents aloud - [TextAid](https://www.readspeaker.com/solutions/text-to-speech-online/readspeaker-textaid/): Literacy support tool for struggling readers and writers ### API & Cloud - [speechCloud API](https://www.readspeaker.com/solutions/speech-production/readspeaker-speechcloud-api/): REST API for premium TTS voice generation - [speechMaker Studio](https://www.readspeaker.com/products/speechmaker-studio/): Cloud-based voice content creation studio - [speechMaker Desktop](https://www.readspeaker.com/solutions/speech-production/readspeaker-speechmaker/): Desktop application for voice file generation ### SDK & Server Solutions - [speechEngine SDK](https://www.readspeaker.com/solutions/text-to-speech-software/readspeaker-speechengine-sdk/): SDK for integrating TTS into desktop applications - [speechEngine SDK Embedded](https://www.readspeaker.com/solutions/text-to-speech-software/readspeaker-speechengine-sdk-embedded/): Small footprint SDK for embedded systems and IoT devices - [speechServer](https://www.readspeaker.com/solutions/text-to-speech-software/readspeaker-speechserver/): Scalable on-premise TTS server solution - [speechServer MRCP](https://www.readspeaker.com/solutions/text-to-speech-software/readspeaker-speechserver-mrcp/): MRCP-compliant server for IVR and telephony systems - [speechEngine SAPI](https://www.readspeaker.com/solutions/text-to-speech-software/readspeaker-speechengine-sapi/): Microsoft SAPI-compliant TTS voices for Windows ### Custom Voice - [Custom TTS Voices](https://www.readspeaker.com/custom-text-to-speech-tts-voices/): Branded custom voice development services ## Industries & Solutions - [Education](https://www.readspeaker.com/sectors/education/): LMS integrations (Canvas, Blackboard, Moodle, Brightspace), assessments, K-12, higher education - [Gaming](https://www.readspeaker.com/sectors/gaming/): On-device TTS for accessible cross-platform gaming (Unity, Unreal Engine, Wwise support) - [Transportation](https://www.readspeaker.com/sectors/transportation/): Passenger announcements, kiosks, MaaS apps - [Healthcare](https://www.readspeaker.com/sectors/healthcare/): Patient communication and medical applications - [Government](https://www.readspeaker.com/applications/government/): Digital inclusion for public services - [Conversational AI](https://www.readspeaker.com/sectors/conversational-ai/): Voice for chatbots and virtual assistants - [Accessibility](https://www.readspeaker.com/applications/accessibility/): Assistive technology and WCAG compliance ## Resources - [Languages & Voices](https://www.readspeaker.com/languages-voices/): Full catalog of 200+ voices in 50+ languages - [Voice Demo](https://www.readspeaker.com/demo/): Try ReadSpeaker voices online - [Pricing](https://www.readspeaker.com/pricing/): Pricing information and plans - [Blog](https://www.readspeaker.com/blog/): Articles about TTS technology and best practices - [FAQ](https://www.readspeaker.com/faq/): Frequently asked questions - [FAQ API](https://www.readspeaker.com/wp-json/readspeaker/v1/faqs/): Complete FAQ database in JSON format - [Support](https://www.readspeaker.com/support/): Technical support center - [Customer Stories](https://www.readspeaker.com/resources/): Case studies and success stories ## Company - [About ReadSpeaker](https://www.readspeaker.com/about/): Company overview and history - [Ownership Update](https://www.readspeaker.com/blog/readspeaker-marunouchi-capital/): HOYA Corporation transfer to Marunouchi Capital Fund III (September 2025) - [Ethical AI](https://www.readspeaker.com/blog/ethical-ai/): ReadSpeaker's commitment to ethical AI voice development - [Careers](https://www.readspeaker.com/careers/): Job opportunities - [Contact](https://www.readspeaker.com/contact/): Sales and support contact - [Privacy Policy](https://www.readspeaker.com/privacy/): Data privacy notice - [Accessibility Statement](https://www.readspeaker.com/accessibility-statement/): WCAG compliance statement ## LMS Integrations - [Blackboard](https://www.readspeaker.com/sectors/education/blackboard/) - [Canvas](https://www.readspeaker.com/sectors/education/canvas/) - [Moodle](https://www.readspeaker.com/sectors/education/moodle/) - [Brightspace (D2L)](https://www.readspeaker.com/sectors/education/brightspace/) - [Open edX](https://www.readspeaker.com/sectors/education/open-edx/) - [itsLearning](https://www.readspeaker.com/sectors/education/itslearning/) ## Certifications & Compliance - ISO/IEC 27001:2022 certified - WCAG 2.2 AA compliant (webReader audited by Proper Access) - GDPR compliant - VPAT available for accessibility documentation ## Frequently Asked Questions ### General **How does ReadSpeaker work?** ReadSpeaker offers various online text-to-speech solutions. For reading web pages aloud, the most popular option is a hosted service. Website owners add a snippet of code to their site, similar to adding Google Analytics. Once added, a "Listen" button appears, allowing visitors to hear content spoken aloud. **How is ReadSpeaker SaaS sold?** ReadSpeaker SaaS solutions are hosted in the cloud with no infrastructure costs for customers. Pricing includes a one-time setup fee and annual service fee covering account setup, support, licensing, maintenance, and upgrades. Fee structure is based on website/app usage, or population numbers for local government customers. **How are licensed solutions priced?** Licensed solutions pricing depends on the number of licenses required, license duration (monthly, yearly, or perpetual), backup license needs, and the type of unit being equipped with TTS (ports, devices, vehicles, robots). **Do users need to download anything?** No, users only need a device with a web browser capable of playing mp3 audio. Users simply click and listen. **Can I build offline apps with high-quality voices?** Yes. ReadSpeaker's speechEngine SDK Embedded enables applications to deliver natural-sounding TTS directly on device, even without internet connectivity. **Can we host ReadSpeaker on our own secure servers?** Yes. ReadSpeaker offers on-premise server solutions for industries with stringent data security and compliance requirements, giving complete control over data and infrastructure. **What if content is not pronounced correctly?** ReadSpeaker can create customized dictionaries for industry-specific jargon, acronyms, and abbreviations to achieve natural-sounding speech. **Does ReadSpeaker work on mobile devices?** Yes. ReadSpeaker webReader works on PCs, iPhones, Android phones, iPads, mp3 players, PDAs, video game consoles, interactive internet TVs, and kiosks. **Can ReadSpeaker integrate with our CMS?** Yes. ReadSpeaker integrates with dozens of different content management systems. Plugins are available for certain CMS platforms. **How many languages are available?** ReadSpeaker supports 50+ languages with 200+ voices, including multiple male and female voices for most languages. **Can ReadSpeaker speech-enable PDF files?** Yes. ReadSpeaker docReader allows users to listen to PDFs, Word documents, and other document formats while keeping the original layout. **Does ReadSpeaker work on HTTPS and password-protected sites?** Yes. ReadSpeaker can be configured for secure sites and password-protected sites. **Why choose ReadSpeaker over free TTS solutions?** Free TTS tools produce generic voices with limited application. ReadSpeaker uses next-generation technology to create natural-sounding voices ready for immediate use across all customer channels. ### Education **What is text to speech used for in education?** TTS reads written text aloud, providing another way to deliver content. It assists students with vision impairments, supports struggling readers with learning disabilities, helps second-language learners, and allows all students to personalize their learning experiences. **How does TTS improve literacy skills?** Research shows TTS improves reading comprehension scores for students with reading disabilities. With read-along solutions, struggling readers can engage with content and develop comprehension skills. Bimodal learning (audio and visual formats together) improves reading comprehension, word recognition, and creates a more positive outlook on reading. **What content can ReadSpeaker read aloud?** TTS can be applied to any digital text—coursework, e-books, e-learning materials—across educational settings. Students can listen to web page content, Google Docs, Microsoft Word Online, emails in Gmail and Outlook, and PDF files. TTS integrates with learning management platforms and assessment platforms. **Can teachers generate audio files for e-learning materials?** Yes. ReadSpeaker can instantly generate audio files for use online or offline. **What devices and browsers are compatible?** ReadSpeaker webReader works with all commonly used devices (PCs, laptops, Chromebooks, tablets, smartphones), all major operating systems (Windows, Chrome, Android, iOS, macOS), and all major browsers. No downloads or installations required. **Is ReadSpeaker available in multiple languages?** Yes. Students can listen to content in 50+ languages and 200+ voices. **Can ReadSpeaker be used offline?** Yes. ReadSpeaker offers offline TTS solutions for learners with digital equity issues, no internet, or rural settings. The Offline Chrome Extension works on Chrome for desktop and Chrome OS. ### Assessment & Testing **What are the benefits of read-aloud assessment tools?** Assessments measure student progress. Educators must remove barriers to engagement like reading comprehension challenges. Many students perform better when hearing assessment questions. TTS provides important read-aloud accommodations meeting individual student needs. **How do read-aloud tools support educators?** Read-aloud tools relieve staff from providing individual reading instruction for assessments, allowing institutions to manage budgets and resources more efficiently. **Do administrators need to enable ReadSpeaker for assessments?** ReadSpeaker TTS is embedded in quizzes in all major LMSs. For Respondus LockDown Browser or other locked browsers, students see the Listen button or click the Activation Tab. In most LMSs, students highlight what they want read and click Listen. ### Gaming **Can TTS for games run offline?** Yes. ReadSpeaker gaming plugins run on the gamer's device, eliminating internet connection requirements and speeding up performance. Streaming TTS via API is also available through speechEngine SDK. **What's the compute footprint?** Depends on TTS voices chosen. Top-quality AI voices (neural HMM) occupy 13-16 MB per voice. DNN-based AI voices may take up to 32 MB per voice. DNN Micro can run as low as 4 MB per voice. **What languages do gaming plugins support?** Gaming plugins provide TTS in more than 40 languages and dialects. **Can I make an AI voice clone?** ReadSpeaker builds ethical custom voices but is B2B only, not offering DIY or self-service voice cloning. All TTS voices are created with explicit consent from voice actors under fair contractual agreements. **How does TTS contribute to accessible gaming?** Audio format breaks down barriers for players with blindness, low vision, dyslexia, attention deficits, cognitive disabilities, or preference for auditory experience. Offering TTS accessibility tools prevents leaving players behind and maintains a larger target audience. ### Transportation **How complex is integration with transport systems?** ReadSpeaker TTS integrates quickly with passenger information systems, PA systems, control rooms, mobile apps, CRMs, and digital signage. APIs enable integration with chatbots and virtual assistants. **Can ReadSpeaker operate offline?** Yes. Embedded, on-device speech synthesis ensures reliable offline performance for announcements in tunnels, rural lines, or areas with weak connectivity. **Can ReadSpeaker handle high announcement volumes?** Yes. Scalable AI voice systems maintain clear, real-time communication in busy airports, train hubs, and metro systems during peak traffic. **Can voices be customized for regional accents?** Yes. ReadSpeaker offers a large voice catalog plus custom voices via VoiceLab, ensuring regional accuracy and brand consistency. ### Healthcare **Is ReadSpeaker TTS compliant with healthcare regulations?** Yes. Solutions are designed for HIPAA and GDPR-compliant environments, with deployment options on secure on-premise servers, private cloud, or embedded devices. Also supports FDA and EMA regulatory expectations. **How does TTS support accessibility in healthcare?** Through WCAG-compliant solutions like webReader and docReader, and assistive voice technology helping patients with reading difficulties, vision loss, cognitive impairments, or other disabilities. **Can TTS integrate with healthcare systems?** Yes. ReadSpeaker integrates with electronic health records (EHRs), IVR, mobile apps, kiosks, and wearables through SDKs, APIs, and server solutions. ### Contact Centers & Conversational AI **What is text to speech for contact centers?** TTS converts written content into natural, lifelike audio, powering IVR systems, automated callbacks, conversational AI, and digital self-service platforms. Enables faster service, greater accessibility, and consistent customer experiences. **How does TTS improve IVR and self-service?** ReadSpeaker TTS delivers IVR menus and self-service options in clear, natural voices that reduce caller frustration and wait times. Customers receive information and complete transactions quickly without speaking to live agents. **Can TTS integrate with existing contact center platforms?** Yes. ReadSpeaker integrates with major IVR systems, CPaaS providers, conversational AI frameworks, and telephony platforms. Supports standard protocols like MRCP. **Does ReadSpeaker integrate with Genesys, Avaya, and Cisco?** Yes. ReadSpeaker TTS integrates with Genesys, Avaya, and Cisco contact center environments. For Avaya call centers requiring security, ReadSpeaker offers on-premise solutions to replace Nuance. ### Custom Voice **Can we create a custom branded voice?** Yes. With ReadSpeaker VoiceLab, organizations can develop unique AI-powered voices aligned with brand identity, deployable consistently across all channels.