Chapter | twenty-seven
Other Measurement Systems
CHAPTER OUTLINE
Speech Transmission Index, STI
Following are some very brief descriptions of several measurement systems/ technologies in addition to those already discussed.
TDS
Time Delay Spectrometry, or just TDS, is a technique that was originally developed by Richard Heyser of Jet Propulsion Lab.
The technique is based upon a known signal being transmitted, for example through a loudspeaker. The signal is typically a short frequency sweep, which is then recorded through the system via a microphone. The receiver can be synchronized in relation to the measurement ...
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