Glossary Glossary-9
Universal
Asynchronous
Receiver Transmitter
A microchip with programming that controls a computer's interface to its
attached serial devices.
Universal Connector Interface point for all accessories to the radio.
Universal Serial Bus An external bus standard that supports data transfer rates of 12 Mbps.
USB See Universal Serial Bus.
VCO See voltage-controlled oscillator.
VCOB IC Voltage-Controlled Oscillator Buffer IC.
vector sum excited
linear predictive
coding
A voice-encoding technique used in ASTRO digital voice.
VHF Very-High Frequency.
VIP Vehicle Interface Port.
VOCON See vocoder/controller.
vocoder An electronic device for synthesizing speech by implementing a
compression algorithm particular to voice. See also voice encoder.
vocoder/controller A PC board that contains an ASTRO radio’s microcontroller, DSP,
memory, audio and power functions, and interface support circuitry.
voice encoder The DSP-based system for digitally processing analog signals, and
includes the capabilities of performing voice compression algorithms or
voice encoding. See also vocoder.
voltage-controlled
oscillator
An oscillator in which the frequency of oscillation can be varied by
changing a control voltage.
VSELP See vector sum excited linear predictive coding.
Term Definition
To Next Page
Loading...
