Impedance/audiometric testing equipment.Since 1980, Micro Audiometrics has produced leading-edge impedance impedance, in electricity, measure in ohms of the degree to which an electric circuit resists the flow of electric current when a voltage is impressed across its terminals. and audiometric au·di·om·e·ter n. An instrument for measuring hearing activity for pure tones of normally audible frequencies. Also called sonometer. au testing equipment, with 3-year warranties. The company's Earscan(r) microprocessor automatic audiometer au·di·om·e·ter n. An electrical instrument for measuring the threshold of hearing for pure tones of normally audible frequencies generally varying from 200 to 8000 hertz and recorded in decibels. requires minimal operator involvement. The Micro-Lab(r) Audiometer stores 150 tests in memory to facilitate remote data gathering. Multiple Earscans or MicroLabs accommodate group testing. Impedance and audiometry functions can be combined into one package. The DSP (1) (Digital Signal Processor) A special-purpose CPU used for digital signal processing applications (see definition #2 below). It provides ultra-fast instruction sequences, such as shift and add, and multiply and add, which are commonly used in math-intensive Pure Tone Audiometer(r) operates on four AA batteries. |
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