Teleste Builds Acapela AI Voices Into Its S-ARRIVE Rail Information Platform
Teleste has integrated Acapela's AI text-to-speech technology directly into its S-ARRIVE passenger information platform for trains, trams and metros. According to Teleste, it is the first company to do so, allowing operators to deliver natural-sounding announcements as situations change.
- Teleste has embedded Acapela's AI text-to-speech into its S-ARRIVE passenger information platform.
- Teleste calls it an industry first for trains, trams and metros.
- Pronunciation can be adapted to local station names and transport vocabulary, according to the companies.
- Acapela says its voices can run on-device, on-premise, in sovereign cloud or in the cloud.
What Teleste and Acapela are offering
Teleste, a Finnish technology company, announced that Acapela's AI voice technology is now embedded in S-ARRIVE, its passenger information platform for rail transport. The company describes the step as an industry first and says it sets a new benchmark for passenger information on trains, trams and metros.
S-ARRIVE synchronizes visual and audio communication. That covers next-stop information as well as service changes and disruption messages. With the Acapela integration, the audio side of this information is delivered by AI-generated voices. According to the companies, the pronunciation can be adapted to local station names and transport vocabulary.
Focus on clarity and accessibility
The announcement stresses voice quality, intelligibility and naturalness as the main gains for passengers. Teleste says these improvements help people understand essential information throughout their journey. Combined with visual information, the AI announcements are meant to support a more accessible passenger experience, so that information can reach more passengers.
Jarkko Vehkala, Business Director, Railway Solutions at Teleste, said the integration enhances "the continuous flow of information with an AI based text-to-speech solution that provides high-quality announcements."
Rémy Cadic, CEO of Acapela Group, pointed to moments when a journey is disrupted: "When something changes during a journey, passengers need to understand it immediately." He added that the embedded voices add "a natural and responsive voice to Teleste S-ARRIVE."
The companies behind the integration
Teleste offers products and services in broadband, security and information technologies, including solutions that guide the use of public transport. In 2025, its net sales reached EUR 138,6 million and it had approximately 630 employees. The company is listed on Nasdaq Helsinki.
Acapela Group describes itself as "The Voice for Responsible AI" and says it has spent over 30 years helping organizations communicate through natural, accessible and trusted AI voices. According to the company, its voices are designed with privacy, accessibility and ethics at their core and can be deployed on-device, on-premise, in sovereign cloud, or in the cloud. It says transport operators worldwide use its voices.
What it means for operators and passengers
For rail operators already using or considering S-ARRIVE, the integration puts AI-generated speech inside the same platform that handles their visual and audio passenger information. Based on the announcement, the practical benefits are announcements that can be issued quickly when conditions change and that can be tuned to local place names. The source does not give details on pricing, availability dates or specific customers, so the scale of the rollout remains unclear.
