Signapse is an AI-powered sign language translation platform developed by Signapse Ltd, a University of Surrey spin-out headquartered in Cambridge, UK. It converts text, video, live announcements, and website content into photorealistic sign language videos in British Sign Language (BSL) and American Sign Language (ASL), making information accessible to Deaf communities at a scale human interpreters cannot cover.
The platform uses generative AI that draws on a large library of videos recorded by qualified Deaf translators, selects the appropriate sign combinations, and blends them into a natural, photorealistic digital signer. Output is powered by AI and approved by real Deaf translators.
Signapse offers several products: SignStream, a real-time translation API for live broadcasts, transport announcements, digital signage, and events with average generation times of around 15 seconds; SignStudio, a self-serve web platform for translating videos with customizable digital signers and a Webex integration; a JavaScript website plugin that adds instant BSL/ASL translation to web pages; and transport translation displays deployed in train stations and airports.
Target customers include transport operators, broadcasters, universities, corporate communications teams, event organizers, healthcare providers, and government. SignStudio offers a free Starter plan with pay-per-minute add-ons, a Team plan at $390/month, and an Enterprise plan at $780/month with up to 4K output and human-review add-ons. SignStream uses usage-based pricing from $1.50-$2.00 per minute, and the website plugin starts at $3,250/year for 10 pages.