(China (Mainland))
Product Summary
The AMBE-2000 Vocoder Chip offers the affordability, mobility and power efficiency required by virtually all personal communication devices. The AMBE-2000 is designed to be fully inter-operable with DVSI’s MultiMux Vocoder Board which provides sixteen full-duplex channels of voice compression. The integration of these two devices creates a complete system for an endless array of computer telephony and wireless communication applications.
Parametrics
AMBE-2000 absolute maximum ratings: (1)Supply voltage: 3.3 volts; (2)CMOS I/O levels: 2.5V<High<3.6V, -0.3V<Low<0.8V ; (3)Operating Power Consumption: 65 mW Typical; (4)Sleep Power Consumption: 33 mW (interface streams active), 3.3 mW (clocks active); (5)Package: 100 pin TQFP (industrial grade); (6)Operation Temperature Range: -40℃ to 85℃; (7)Storage Temperature Range: -55℃ to 150℃; (8)Humidity: <95% RH.
Features
AMBE-2000 features: (1)AMBE+ Vocoder - Toll-Quality at 4.0 kbps; (2)User selectable bit rate (2.0 kbps - 9.6 kbps); (3)Integrated convolutional and block code; (4)Forward Error Correction (FEC); (5)Viterbi Decoder (1/4 < rate < 1) with up to 4 bits of soft-decision decoding; (6)High-performance Voice Activity Detection (VAD) with adaptive Comfort Noise Insertion (CNI); (7)Low Delay; (8)Echo Cancellation.
Diagrams
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