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frequency response

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frequency response

In an audio system, the accuracy of sound reproduction. A totally flat response means that there is no increase or decrease in volume level across the frequency range. Measured in decibels (dB), this would be plus or minus 0 dB from 20Hz to 20,000Hz. A high-end audio system can deviate by +/- 0.5 dB, but a CD-ROM drive should not be off by more than +/- 3 dB.

frequency response [′frē·kwən·sē ri‚späns]
(engineering)
A measure of the effectiveness with which a circuit, device, or system transmits the different frequencies applied to it; it is a phasor whose magnitude is the ratio of the magnitude of the output signal to that of a sine-wave input, and whose phase is that of the output with respect to the input. Also known as amplitude-frequency response; sine-wave response.


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The H-350 has a wider microphone frequency response range than the H-250 handset.
It still can be confusin' by PS, the Preventive Maintenance Monthly
Key statement: The valve shaft is provided with one or more sound-absorbing elastomeric dampers, formed preferably of a silicone rubber, that make contact with saddles in the intake manifold for extinguishing harmonic frequency response of the valve below 660 Hz.
Shaft noise damper by Samples, Bob / Rubber World
You're looking at a frequency response of 20Hz-20kHz, SNR of 95dB, a 128 X 32 dot LCD display, and support for WMA, MPEG and MP3 files.
Seagrand X-Bar by Japan Inc.
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