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Tera (T) - A prefix meaning 1012
or 1,000,000,000,000 (one trillion in the US). |
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Threshold of Pain (in dB SPL) - The minimum
value of sound pressure of a given frequency that will
cause pain to a listener 50% of the time. Discomfort
begins at 118 dB SPL Actual pain starts around 140 dB
SPL within the frequency range between 200 Hz and 10,000
Hz. |
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TOC / Table Of Contents - The subcode information
which contains track numbers and times. |
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Total Harmonic Distortion (THD) - The noise
referenced to signal in decibels (dB) as a percentage.
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Tracking Servo - The control circuit used to
keep the pick-up over the desired track. |
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Transducer - A device used to convert energy
from one form to another. Acoustical to electrical (microphone),
electrical to acoustical (speaker), and electrical to
mechanical (Aura Bass Shaker) are three examples of transducers. |
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Transistor - A three terminal device used for
amplification and switching. |
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Tuner - A component (or section of one) that
receives radio signals and selects one broadcast from
many. |
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Tweeter - A high frequency driver specifically
designed to reproduce only the high frequencies (treble)
of the audible spectrum. |
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