(China (Mainland))
Product Summary
The AMBE2020 is a vocoder chip. It is an extremely flexible, high performance half-duplex voice compression solution that provides exceptional voice quality at rates as low as 2000 bps. The AMBE2020 is a low cost, DSP based voice codec for half-duplex, real and non-real time voice compression applications.
Parametrics
AMBE2020 specifications: (1)Electrical supply: 3.3Volts; (2)CMOS I/O levels: 2.5≤high≤3.6V, -0.3V≤low≤0.8V; (3)Power consumption operating: 65mW(typical); (4)Sleep: 33mW(interface streams active); 3.3mW(clocks inactive); (5)Physical package: 100pin TQFP(industrial grade); (6)Temperature range: -40℃ to 85℃(operation); -55℃ to 150℃(storage); (7)Humidity: < 95% RH.
Features
AMBE2020 features: (1)Half-duplex operation; (2)User selectable bit rate(2.0 kbps to 9.6 kbps); (3)Integrated convolutional and block code forward error correction(FEC); (4)Viterbi decoder(1/4≤rate<1)with up to 4 bits of soft decision decoding; (5)High performance voice activity detection(VAD)with adaptive comfort noise insertion(CNI); (6)Low delay(~52ms); (7)Echo cancellation(16ms).
Diagrams
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 AMBE-2000™ |
Other |
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Data Sheet |
Negotiable |
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AMBE-1000™ |
Other |
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Data Sheet |
Negotiable |
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