Speech identification under simulated hearing‐aid frequency response characteristics in relation to sensitivity, frequency resolution, and temporal resolution

1986 ◽  
Vol 80 (4) ◽  
pp. 1030-1040 ◽  
Author(s):  
Mark E. Lutman ◽  
Julia Clark
Keyword(s):  
Frequency Response ◽  
Temporal Resolution ◽  
Hearing Aid ◽  
Frequency Resolution ◽  
Response Characteristics ◽  
Frequency Response Characteristics ◽  
Speech Identification

Frequency Response Characteristics of FM Mini-Loop Auditory Trainers

1980 ◽  
Vol 45 (2) ◽  
pp. 247-258 ◽  
Author(s):  
Dianne J. Van Tasell ◽  
Deborah P. Landin
Keyword(s):  
Frequency Response ◽  
Hearing Aids ◽  
Hearing Aid ◽  
Microphone Signal ◽  
Response Characteristics ◽  
Amplification System ◽  
Frequency Response Characteristics ◽  
Signal Route ◽  
Public School Classroom ◽  
Performance Results

Personally sized inductance loops (mini-loops) now are available for use with an FM classroom amplification system and the student's personal ear-level hearing aid. Frequency response characteristics of five commercially-available hearing aids were assessed 1) using hearing aid test equipment available in most audiology clinics, with the hearing aid on microphone setting and 2) in a public school classroom, with the hearing aid on telecoil setting and operating with an FM mini-loop system. Clinic and classroom characteristics of the conventional FM receiver-insert earphone auditory trainers also were assessed. Results showed that the personal hearing aids' classroom performance could not be predicted from their clinic performance. Results also showed that gain provided by the environmental microphone circuit of the FM receiver-insert earphone units was uniformly higher than that provided by the teacher-microphone signal route.

Performance Characteristics for Hearing Aid Microphone Versus Telephone and Telephone/Telecoil Reception Modes

1983 ◽  
Vol 26 (2) ◽  
pp. 195-201 ◽  
Author(s):  
J. Curtis Tannahill
Keyword(s):  
Frequency Response ◽  
Hearing Aids ◽  
Hearing Aid ◽  
Performance Characteristics ◽  
Reference Position ◽  
Response Characteristics ◽  
Frequency Response Characteristics ◽  
Selection Of

Two hearing aids and three telephone receivers were used to compare electroacoustic and word intelligibility data for hearing aid microphone reception versus telephone/telephone and telephone/telecoil reception. Measurements included test reference position gain and frequency response characteristics (Experiment 1) and word intelligibility scores (Experiment 2). The results indicated that performance was similar for hearing aid microphone reception and telephone/telephone reception. Telephone/ telecoil performance varied, depending on which telephone receiver was involved, but was poorer than hearing aid microphone performance. Recommendations were made concerning the selection of hearing aids and the management of hearing aid users relative to telephone/telecoil communication.

Analysis of frequency response characteristics of polymer ultrasonic transducers

1992 ◽  
Vol 25 (3) ◽  
pp. 155
Author(s):  
H. Ohigashi ◽  
T. Itoh ◽  
K. Kimura ◽  
T. Nakanishi ◽  
M. Suzuki
Keyword(s):  
Frequency Response ◽  
Ultrasonic Transducers ◽  
Response Characteristics ◽  
Frequency Response Characteristics
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