FURTHER ENHANCEMENT OF THE VOICE SOUND SIMULATOR AND BREATH SIMULATION PUMP OF THE HUMAN HEAD SIMULATOR

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Authors
  1. Racansky, D.
  2. Kunov, H.
Corporate Authors
Defence and Civil Inst of Environmental Medicine, Downsview ONT (CAN);Toronto Univ, Toronto ONT (CAN) Inst of Biomedical Engineering
Abstract
The capabilities of the Human Head Simulator (HHS), developed under contracts with the Defence and Civil Institute of Environmental Medicine in Downsview, Ontario, for studying the speech transmisison properties of respiratory protective devices and transducers systems, were further expanded for application to speech intelligibility evaluation using the Diagnostic Rhyme Test (DRT). The new DRT option in the HHS functions allows the user to administer the DRT test using the HHS in the role of a "talker". We also added a data acquisition, editing and storage system and developed the method to create the breath and speech signals data bases for use in speech evaluation. At present time, the HHS can generate two voice: female and male. The HHS consists of three major parts: (1) an anthropometrically correct headform representing a North American male adult Caucasian. The headform, composed of a hollow hard structure covered with artifical skin simulating the mechanical properties of human skin, has the correct dynamic mass and a compliant neck. It is mounted on a commercially available torso (KEMAR). (2) The breath simulation system, consisting of a programmable, electronically controlled pump, is capable to generate a wide range of airflow patterns associated with the respiratory activities of humans under different conditions: resting, exercise, speaking and their combinations. TRUNCATED
Keywords
Waveform generators;Speech representation
Report Number
DCIEM-96-CR-17 — Contractor Report (Final)
Date of publication
01 Jul 1996
Number of Pages
71
DSTKIM No
97-00608
CANDIS No
500883
Format(s):
Hardcopy;Document Image stored on Optical Disk

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