Design of a speech-enabled 3D marine compass simulation system

ABSTRACT

Traditional human–computer interactions cannot fully satisfy the needs of navigation simulation users. However, speech recognition can be integrated to improve interactions with navigation simulation systems. Using a real gyrocompass as an example, a three-dimensional (3D) model of a compass was built. Then, the compass's functions were simulated and the compass assembly and disassembly operations were simulated using 3D geometric transformations to finally develop a complete 3D compass simulation system. Based on research into key speech recognition technologies, speech signal preprocessing, feature extraction and speech recognition decoding were used to develop a command-and-control speech recognition module that supports speech interactions with the 3D compass simulation system. After integrating the key speech recognition technology, we analysed test results using the speech interactive instruction and discovered the main factor that influences the recognition rate, which may function as a valuable reference when applying speech recognition technology to other navigation simulation systems.

KEYWORDS:

• Gyrocompass
• simulation
• marine simulator
• speech recognition
• speech interaction

Disclosure statement

No potential conflict of interest was reported by the authors.

Additional information

Funding

This work was supported by the National High Technology Research and Development Programme of China [grant number 2015AA016404]; Public Science and Technology Research Funds Projects of Ocean [grant number 201505017-4]; Project of Ministry of Transport of the People's Republic of China [grant number 2015329225240]; Fundamental Research Funds for the Central Universities [grant number 3132016324].