Real-time on-board transcription of live audio announcements in trains

火车上现场音频广播的实时车内转录

• 批准号: 10087799
• 金额: $ 19.96万
• 依托单位: TELEVIC UK LIMITED
• 依托单位国家: 英国
• 项目类别: Collaborative R&D
• 财政年份: 2023
• 资助国家: 英国
• 起止时间: 2023 至 无数据
• 项目状态: 未结题
• 来源: https://gtr.ukri.org/projects?ref=10087799
• 关键词: Real; time; board; transcription; live

Increasingly more passengers don't capture audio announcements on trains. Passengers might have missed the announcement due to hearing problems, distractions, background noise, ... As a Passenger Information System provider, Televic GSP aims to provide **all** passengers with the latest, most correct information possible. To also include passengers with hearing problems, distracted passengers or non-native speaking passengers, the current research into live audio announcement captioning by Televic GSP provides the auditive public announcements visually on passenger information screens. The off-line, on-board solution transcribes the announcement made by train personnel and visualizes it as real-time subtitles on passenger information screens distributed throughout the railway vehicles. An initial feasibility study was demonstrated in collaboration with TransPennine Express on board the Manchester Airport - Edinburgh train in March 2023\. However, to further improve the accuracy of the real-time subtitling more research is still required.This project researches ways to improve the initial version of the speech-to-text solution to bring the transcription to an acceptable quality for passenger information systems. Current State-of-the-art speech-to-text models near 90% to 95% word accuracy. However, this accuracy is achieved on general spoken text. When transcribing railway public announcements the accuracy drops significantly, specifically for key words such as station names or branding specific words: e.g. Hitchin vs. kitchen; Transport for Whales vs. transport for wales, ... During this research project Televic GSP will research off-line light weight natural language AI models to further improve the transcription accuracy, specifically for key-words such as station names, alerts and branding.Televic GSP specializes in on-board information systems for trains and focusses on two types of communication: passenger information systems and train monitoring, control and safety. The passenger information systems division designs and maintains systems for reliable, real-time and relevant information to passengers. Televic GSP develops vertically integrated solutions that combine hardware, software and services to large train builders and train operating companies. These solutions handle everything from wayside information management down to the passenger and driver communication on the train. Televic GSP has more than 35 years of experience in the rail industry and more than 60 000 vehicles worldwide use on-board passenger information technology from Televic GSP. In the UK this includes train operating companies such as: Transport for Whales, Northern Trains, TransPennine Express Limited, Govia Thameslink Railway, Eurostar, ...

越来越多的乘客在火车上不听广播。乘客可能会因为听力问题、分心、背景噪音等原因错过广播。作为乘客信息系统提供商，Televic GSP旨在为 ** 所有 ** 乘客提供最新、最正确的信息。为了包括有听力问题的乘客、分心的乘客或非母语乘客，Televic GSP目前对现场音频广播字幕的研究在乘客信息屏幕上提供了可视的听觉公告。离线、车载解决方案转录列车工作人员发出的公告，并将其可视化为分布在整个铁路车辆上的乘客信息屏幕上的实时字幕。初步可行性研究于二零二三年三月与TransPennine Express合作在曼彻斯特机场至爱丁堡列车上展示。然而，为了进一步提高实时字幕的准确性，还需要更多的研究。本项目研究如何改进语音到文本解决方案的初始版本，使转录到乘客信息系统可以接受的质量。目前最先进的语音到文本模型接近90%到95%的单词准确率。然而，这种准确性是在一般的口语文本上实现的。当转录铁路公告的准确性显着下降，特别是对关键词，如车站名称或品牌的具体话：例如希钦与厨房;运输鲸鱼与运输威尔士，... Televic GSP将研究离线轻量级自然语言AI模型，以进一步提高转录准确性，特别是车站名称，警报和品牌等关键词。Televic GSP专注于列车车载信息系统，专注于两种类型的通信：乘客信息系统和列车监控，控制和安全。乘客信息系统司设计和维护向乘客提供可靠、实时和相关信息的系统。Televic GSP开发垂直整合的解决方案，将联合收割机硬件、软件和服务结合起来，为大型列车制造商和列车运营公司提供服务。这些解决方案可以处理从路边信息管理到乘客和司机在列车上的通信的所有问题。Televic GSP在铁路行业拥有超过35年的经验，全球超过60，000辆车辆使用Televic GSP的车载乘客信息技术。在英国，这包括火车运营公司，如：运输鲸鱼，北方列车，TransPennine Express有限公司，Govia Thameslink铁路，欧洲之星，.