Digital Voice Systems, Inc. (DVSI)
The lowest bitrate with the highest voice quality and intelligibility
Robustness against acoustic noise and bit errors
Support for DTMF tones and other advanced features
Interoperability with advanced digital radio and telephony standards
DVSI's voice compression technology is widely accepted as the vocoder of choice in bandwidth limited applications such as digital mobile radio and satellite telephony
The most advanced vocoder technology
3.6 kbps vocoder is the DMR digital radio protocol standard
3.6 kbps vocoder is the dPMR™ digital radio protocol standard
4.0 kbps vocoder technology used in GMR-1 satellite telephony
DVSI Legacy Vocoder
3.6 kbps vocoder is the digital technology used in MOTOTRBO™'s two-way radio system.
1.2 - 1.8 kbps vocoder delivers exceptional voice quality
4.0 / 12.0 / 16 kbps vocoder reaps the benefits of higher data rates
3.6 kbps vocoder for amateur radio
3.6 kbps vocoder technology is deployed in the Asia Cellular System
3.6 kbps vocoder used in Inmarsat™ global satellite communication system
3.6 kbps for air/ground air traffic communications systems
3.6 kbps vocoder was selected digital mobile radio NXDN™
7200 bps / 3600 bps vocoder used by public safety organizations worldwide
4.0 kbps Vocoder used to broadcast local traffic via satellite
2289 kbps vocoder used in the Iridium constellation to communicate via hand-held satellite phones
4.0 kbps vocoder the standard for the Thuraya geostationary mobile satellite system
2450 bps and 4.0 kbps vocoder for mobile communications across Mexico
DVSI's vocoder technology is available in hardware that enables original equipment manufacturers to produce low volume innovative designs with an array of advanced features without licensing fees and royalties
(Featuring the AMBE-3000™ Vocoder Chip)
The Digital Voice Systems, Inc. (DVSI) USB-3000™ is the perfect combination
of the AMBE-3000™ Vocoder Chip with a USB interface. Connect the USB-3000™ to a Windows based PC's
USB interface and get direct access to DVSI's AMBE-3000™ Vocoder Chip.
Digital Voice Systems Inc.'s Vocoder Chips provide implementations
of the standard-setting AMBE®, AMBE+™ or AMBE+2™ voice compression
technologies. DVSI's patented AMBE® voice compression software has been proven
to outperform CELP, RELP, VSELP, MELP, ECELP, MP-MLQ, LPC-10, and other competitive
The Net-2000™ VCU is availble in four models, each equipped "
with one of DVSIs patented vocoder technologies. By incorporating DVSI vocoder software
with Ethernet network connectivity the Net-2000™ VCU is ideal for OEM digital-communication
applications, including Voice Over Internet Protocol (VoIP), wireless telephony
and voice-monitoring / recording products.
The USB-3012™ is DVSI's multi-channel USB device capable of up to twelve full-duplex simultaneous encoder/decoder operations. The USB-3012™ is available in two models allowing it to meet a wide variety of customer applications.