Relationship of pure tone air conduction threshold, most comfortable loudness level (MCL), and uncomfortable loudness level (UCL).
نویسندگان
چکیده
منابع مشابه
Equal-loudness-level contours for pure tones.
Equal-loudness-level contours provide the foundation for theoretical and practical analyses of intensity-frequency characteristics of auditory systems. Since 1956 equal-loudness-level contours based on the free-field measurements of Robinson and Dadson [Br. J. Appl. Phys. 7, 166-181 (1956)] have been widely accepted. However, in 1987 some questions about the general applicability of these conto...
متن کاملComfortable loudness level: stimulus effects, long-term reliability, and predictability.
This paper reports the results of a series of investigations of comfortable loudness levels with particular reference to their application to hearing aid gain prescriptions. Experiment 1 studied the effects of several stimulus waveforms, bandwidths, and durations on comfortable loudness levels for normal and hearing impaired listeners. Speech band comfort levels were found to be significantly h...
متن کاملLoudness functions with air and bone conduction stimulation in normal-hearing subjects using a categorical loudness scaling procedure.
In a previous study (Stenfelt and Håkansson, 2002) a loudness balance test between bone conducted (BC) sound and air conducted (AC) sound was performed at frequencies between 0.25 and 4 kHz and at levels corresponding to 30-80 dB HL. The main outcome of that study was that for maintaining equal loudness, the level increase of sound with BC stimulation was less than that of AC stimulation with a...
متن کاملLoudness and Loudness Discrimination Revisited
We present evidence that the psychophysical function relating loudness to sound pressure is governed by a nonlinear gain control system, one of whose functions is to protect the sensory system from overload. Specifically, the loudness function is altered nonlinearly when loud sounds are added in an identification task previously containing only soft sounds but not vice
متن کاملAcoustic reflex threshold and loudness discomfort.
OBJECTIVE Trying to find an accurate relation between loudness discomfort level and acoustic reflex threshold. METHODS Seventy patients were involved in this study. Ten normal patients, 30 patients of unilateral conductive hearing loss and 30 patients of unilateral or bilateral, mild to moderate sensorineural hearing loss were tested by 1, 2, KH2 pure tones, 0.5, 1, 2, 4, 8 KHz narrow band no...
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ژورنال
عنوان ژورنال: AUDIOLOGY JAPAN
سال: 1989
ISSN: 1883-7301,0303-8106
DOI: 10.4295/audiology.32.321