Automated Recognition of Helium Speech: Phase I Investigation of Microprocessor Based Analysis/Synthesis System.
Abstract
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 Input/Output board was designed and built. A bibliography of references on speech processing was generated.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jan 31, 1986
- Accession Number
- ADA164113
Entities
People
- Howard J. Jelinek