Signal Vision is a next-generation sound data acquisition platform. It collects sound data through various IoT devices and digital applications to build Big data.Signal Vision builds and utilizes a token economy ecosystem of blockchain, and obtains massive voice data through mobile Dapp or IoT smart home products and car black boxes. In addition, the data accumulated by Signal Vision builds a Big data warehouse and uses Big data to provide new services, technologies and academic discoveries through statistics, analysis and machine learning. As the amount of data collected increases, APIs for statistics, analysis results, and sound data themselves will be released, allowing anyone to develop new services and seek various businesses....