Speech to text for developers
AmiVoice, Japan’s No.1* High-Accuracy Speech Recognition: Ready to Power Your Service
With AmiVoice Cloud Platform, you can incorporate high-performance speech-to-text (speech recognition) functionality into your applications using your preferred programming language without expert knowledge of machine learning. In addition to speech-to-text conversion and voice input, it allows easy implementation of functions like voice sentiment analysis.
60 min free per month
Start Using APIComparison: 7 major APIs
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Speech Recognition Services for Development
Three plans are available to fit the system and security requirements of your service being developed: the speech recognition API plan available in a cloud environment, speech recognition server plan available in a dedicated environment of your own, and SDK plan available on standalone devices.
Services for Voicebot Development
These are services for implementing voicebots (speech recognition IVR) to digitalize telephone answering.
Examples of usage
We can incorporate speech recognition technology to suit your services or products.
Conversation
To transcribe face-to-face and online meetings and create minutes. Automatic speaker identification is also possible.
Video
To transcribe videos and add subtitles to videos efficiently using speech recognition
Call center
To transcribe conversations between customers and operators in real time, for creating response history and improving response quality
Voicebot
To build advanced, real-time auto-response services using speech recognition
Multilingual
To develop translation applications into Japanese and foreign languages, such as for travel conversations and adding subtitles
Preparation of daily reports, etc.
To input details of individual interactions at business meetings, interviews, nursing homes, etc. by voice. This greatly streamlines recording and sharing work.
Data entry
To prepare forms and enter inspection results online or offline at manufacturing, logistics, outdoor work sites, etc.
Voice control
To operate robots and devices hands-free using voice commands
Healthcare
To smoothly convert even specialized medical and pharmaceutical terms into text simply by speaking them out loud
Sentiment analysis
To comprehend emotions such as joy, anger, and sadness using sentiment analysis with speech recognition
Get started with AmiVoice API
Register (for free) and try converting audio files into text using the AmiVoice API.
Time required: from a few minutes to an hour at most.
Case Studies
Over 5,000 licensed installations
AmiVoice's speech recognition engines are used in the development of many services and systems by app developers, electronic device manufacturers, telecommunications carriers, banks, TV stations, and many others.
They've already been used in developing over 600 business solutions. Over 5,000 SDK licenses have been installed.
Providing more accessible customer service through speech‑recognition‑based caption display
It achieves over 80% accuracy in name recognition using kana‑based input and meets the required security standards.
Conversations with patients are converted into text and linked to a generation AI. Highly acclaimed for its high recognition accuracy of medical terminology.
Exhibiting a system that detects Osaka dialect intonation and unlocks doors at the Osaka-Kansai Expo
We have developed a product that enables accurate and fast subtitling of live broadcasts without the need for specialized skills.
Evaluate the readability of text by adding punctuation in the correct position and removing inappropriate words
Used to add subtitles to online learning services for working adults, creating a diverse learning environment
Used for voice data entry at factories and other work sites to improve work efficiency and data reliability
Multilingual announcement app for facilities allows smooth creation and broadcasting of announcements with voice input.
Webinars
Please check out our webinars to learn more about our services and speech recognition technology.
Tech blog
This is a technical blog hosted by the AmiVoice Cloud Platform staff.
Aimed at developers, here you'll find the latest information on speech recognition technology and useful knowledge.
News
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[Feb 2 (Wed)] AmiVoice Developers Meetup: A seminar held exclusively here! The realities of implementing speech recognition from an engineer's perspective - The role of speech recognition in the age of generative AI and behind-the-scenes product development
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[2026 Latest Edition] Comparison of speech recognition APIs from the six major companies released
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Processing delays in the Asynchronous HTTP interface (v2) [Resolved]