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CMX7262 fiches techniques PDF

Consumer Microcircuits Limited - TWELP Vocoder

Numéro de référence CMX7262
Description TWELP Vocoder
Fabricant Consumer Microcircuits Limited 
Logo Consumer Microcircuits Limited 





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CMX7262 fiche technique
CML Microcircuits
COMMUNICATION SEMICONDUCTORS
CMX7262
TWELP Vocoder
D/7262_FI-1.x/4 August 2013
DATASHEET
Advance Information
7262 FI-1.x Professional Radio Vocoder
Features
High-performance, low bit rate vocoder using
TWELP (Tri-wave Excited Linear Prediction)
technology
Crystal clear voice and excellent performance
in real-life radio operation
Excellent performance providing natural-
sounding speech and high quality non-voiced
signals such as emergency services sirens
Half-duplex operation
FEC built in to each vocoder frame
Noise Reduction
Integral voiceband audio codec (No external
DSP or codecs required)
C-BUS host serial interface
o Streaming input and output registers to
streamline transfers and relax host service
latency
Signal routing:
o Choice of input sources C-BUS transfer
from host, analogue audio input
o Choice of output sources C-BUS transfer
to host, analogue audio output
Auxiliary functions
o GPIOs
o Two differential audio outputs
o Single-ended speaker output
o Analogue input/output gain adjustment
o Analogue input multiplexer
o Analogue output multiplexer
Low power 3.3V operation with powersave
functions
Small 64-pin VQFN package
Applications
Half duplex digital radio systems
Personal area network voice links
Secure digital voice communications
Secure door access
Wireless PBX
VoIP applications
Digital Software Defined Radio (SDR)
Analogue In
Analogue Out
GPIOs
ADC
DAC
Digital
Filters
FIFO
Digital
Filters
Configuration
Function
Image™
CMX7262
Professional Radio Vocoder - TWELP
3.3V
C-BUS
Host
µC
3.3V
2013 CML Microsystems Plc

PagesPages 30
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