Automated Recognition of Helium Speech: Phase I Investigation of Microprocessor Based Analysis/Synthesis System.
ELECTRONIC DESIGN ASSOCIATES COSTA MESA CA
Pagination or Media Count:
This is the Final Report of Electronic Design Associates on its Phase I SBIR project. The purpose of this project is to develop a method for correcting helium speech, as experienced in diver-surface communication. The goal of the Phase I study was to design, prototype, and evaluate a real time helium speech corrector system based upon digital signal processing techniques. The general approach was to develop hardware an IBM PC board to digitize helium speech and software a LAMBDA computer based simulation to translate the speech. As planned in the study proposal, this initial prototype may now be used to assess expected performance from a self contained real time system which uses an identical algorithm. The Final Report details the work carried out to produce the prototype system. Four major project tasks were A signal processing scheme for converting helium speech to normal sounding speech was generated The signal processing scheme was simulated on a general purpose LAMDA computer. Actual helium speech was supplied to the simulation and the converted speech was generated An IBM-PC based 14 bit data InputOutput board was designed and built. A bibliography of references on speech processing was generated.
- Life Support Systems