ScholarLens Back to search
1958•Archives of Otolaryngology - Head and Neck SurgeryRequires access

Frequency and Amplitude Modulation Audiometry

Norman B. Reilly

Open publisher page 4 citations

Abstract

As a member of a committee of the State of South Australia to discover cases of hearing loss in children up to age 16 in the State, I visited the audiology clinic of Professor Henk C. Huizing in The Netherlands. His method of testing babies and young infants was so impressive and simple that a similar apparatus was constructed for the Deafness Guidance Clinic in Adelaide by the sound engineers of Philips Electrical Industries. It is called an AudioFrequency Wobbulator. This instrument differs from a pure-tone audiometer in that the sound emitted has not a set frequency but, by frequency modulation, "warbles" to and fro above and below the chosen frequency. In addition the rate of modulation can be varied. By combining these two methods of varying the sound a very great variety of "warbles" can be produced. The range of the instrument coincides with that of the conventional pure-tone

About this research paper

What this paper is about

As a member of a committee of the State of South Australia to discover cases of hearing loss in children up to age 16 in the State, I visited the audiology clinic of Professor Henk C. Huizing in The Netherlands. His method of testing babies and young infants was so impressive and simple that a similar apparatus was constructed for the Deafness Guidance Clinic in Adelaide by the sound engineers of Philips Electrical Industries. It is called an AudioFrequency Wobbulator. This instrument differs from a pure-tone audiometer in that the sound emitted has not a set frequency but, by frequency modulation, "warbles" to and fro above and below the chosen frequency. In addition the rate of modulation can be varied. By combining these two methods of varying the sound a very great variety of "warbles" can be produced. The range of the instrument coincides with that of the conventional pure-tone

Why it matters

OpenAlex reports 4 citations for this work. Citation counts describe recorded attention and do not establish research quality.

Key contribution

A contribution statement is not available in the OpenAlex record.

Method / approach

Method details are not available in the OpenAlex metadata.

Main findings

Findings are not separately available in the OpenAlex metadata.

Limitations

Limitations are not available in the OpenAlex metadata.

Applications

Application details are not available in the OpenAlex metadata.

Available abstract

As a member of a committee of the State of South Australia to discover cases of hearing loss in children up to age 16 in the State, I visited the audiology clinic of Professor Henk C. Huizing in The Netherlands. His method of testing babies and young infants was so impressive and simple that a similar apparatus was constructed for the Deafness Guidance Clinic in Adelaide by the sound engineers of Philips Electrical Industries. It is called an AudioFrequency Wobbulator. This instrument differs from a pure-tone audiometer in that the sound emitted has not a set frequency but, by frequency modulation, "warbles" to and fro above and below the chosen frequency. In addition the rate of modulation can be varied. By combining these two methods of varying the sound a very great variety of "warbles" can be produced. The range of the instrument coincides with that of the conventional pure-tone

Key concepts: Audiometer, Audiology, Audiometry, Tone (literature), Frequency modulation, Pure tone, Tone burst, Acoustics

Related papers

Related paper 1Related paper 2Related paper 3
Back to paper searchBrowse research topicsOriginal source
Frequency and Amplitude Modulation Audiometry — Research Paper | ScholarLens