What Are The Different Kinds of Audiometers?

 

An audiometer is mentioned as a multifaceted tool that assists to gauge a person's aptitude to perceive sound. A variety of audiometric methods and actions are expended to recognize the audible range aptitude of a person.

Pure-tone audiometry

Pure-tone audiometry is measured to be the bullion criterion in the assessment of acoustic sensitivity. The degree of audible range loss and the reason is regulated using pure-tone audiometry. It assists in finding out the audible range brink at diverse frequencies.

The variety of pure-tone audiometers made by the Audiometer Manufacturers differs from straightforward reasonably priced machines to complicate and costly investigative audiometers. In this examination, a pure tenor is offered to the auricle through an earphone, and the least strength at which the tenor is professed 50% of the instance is calculated in decibels (dB). This dimension is labaled as ‘threshold’. The productivity is plotted as a chart recognized as an audiogram. The analysis process is executed at exact frequencies varying from 250 to 8000 Hz.

Dialogue audiometry

The purpose of dialogue audiometry is to gauge the honesty of the whole aural system by assessing the audible range aptitude. Neural kind of audible range loss can be recognized with the aid of language audiometry. Language audiometric examination is further branded into language inequity examination and language reaction verge examination.

Both examinations aspire to recognize the least decibel strength at which a patient can replicate 50% of the words accurately. While language inequity examination uses monosyllable examination words, language reaction verge examination uses two-syllable words with equivalent strain (also referred to as “spondees”).

Suprathreshold audiometry

Employment is mentioned in the state where patients having diverse degrees of audible range loss in both ears knowledge improvement in apparent volume in reply to a small boost in strength.

Employment discovery examinations are recognized as suprathreshold audiometry. At a characteristic spoken dialogue level, it assists in noticing whether the listener can precisely make out the speech or not. Benefits to a patient owing to the use of a hearing aid can also be regulated by this examination.

Self-recording audiometry

Self-recording audiometry is also Denoted as Bekesy audiometry. In 1947, George von Bekesy first initiated this examination. In this process, strength and incidence are mechanically distorted with the aid of a motor.

The incidence can be distorted into the fore or rearward manner. This audible range examination is executed using a soundtrack attenuator. At a set rate of so many decibels per second, the attenuator can either add to or reduce the signal strength. The attenuator deed can be guarded by the listener.

Impedance audiometry

The mobility and air heaviness of the core ear system and core ear reactions are calculated in impedance audiometry.

Computer-administered (microchip) audiometry

The first industrial microchip audiometer was set up in 1975. The characteristic microchip audiometer instrument encloses a multifunctional keypad. Evaluated the physical and self-recording audiometers, microchip audiometers tender important compensations.

Slanted audiometry

In this examination, the subject is requested to react when they perceive sound the obtainable sound. This audiometric examination can present methodically altering audio stimuli to the subject and trace their reply.

Point audiometry

Unlike slanted audiometry, this examination is not reliant on replies from the patients. Though, the subjects are requested to lend a hand during the add-on of the measuring anodes or probes for carrying out the point examination.