Motorola APX 1000 Detailed Service Manual page 1089

Glossary
Term
vector sum excited
linear predictive
coding
VIP
vocoder
vocoder/controller
voice encoder
voltage-controlled
oscillator
VSELP
A voice-encoding technique used in ASTRO digital voice.
Vehicle Interface Port.
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