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