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Microphone array for speaker localization and identification in shared autonomous vehicles

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Resumo:With the current technological transformation in the automotive industry, autonomous vehicles are getting closer to the Society of Automative Engineers (SAE) automation level 5. This level corresponds to the full vehicle automation, where the driving system autonomously monitors and navigates the environment. With SAE-level 5, the concept of a Shared Autonomous Vehicle (SAV) will soon become a reality and mainstream. The main purpose of an SAV is to allow unrelated passengers to share an autonomous vehicle without a driver/moderator inside the shared space. However, to ensure their safety and well-being until they reach their final destination, active monitoring of all passengers is required. In this context, this article presents a microphone-based sensor system that is able to localize sound events inside an SAV. The solution is composed of a Micro-Electro-Mechanical System (MEMS) microphone array with a circular geometry connected to an embedded processing platform that resorts to Field-Programmable Gate Array (FPGA) technology to successfully process in the hardware the sound localization algorithms.
Autores principais:Marques, Ivo Cruz
Outros Autores:Sousa, João; Sá, Bruno Vilaça; Costa, Diogo; Sousa, Pedro; Pereira, Samuel; Santos, Afonso Manuel Macedo; Lima, Carlos; Hammerschmidt, Niklas; Pinto, Sandro; Gomes, Tiago Manuel Ribeiro
Assunto:Shared Autonomous Vehicle (SAV) Field-Programmable Gate Array (FPGA) Microphone array Sound source localization
Ano:2022
País:Portugal
Tipo de documento:artigo
Tipo de acesso:acesso aberto
Instituição associada:Universidade do Minho
Idioma:inglês
Origem:RepositóriUM - Universidade do Minho

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