DVSI’s software products consist of object code libraries. Many of the object code libraries are necessary in order to implement Digital Mobile Radio standards as well as a variety of Satellite communication systems. Also, these object code libraries can be customized to meet specific needs. Object code libraries are available under license for fixed and floating-point Digital Signal Processors, CISC and RISC Processors and run-time environments.
DVSI's latest technology features an enhanced vocoder (2.0 - 9.6 kbps) that improves voice quality and robustness to acoustic background noise.
Learn More
A recent investigation has found that one or more companies based outside the United States are producing and distributing unauthorized copies of several DVSI vocoder products in clear violation of DVSI’s intellectual property rights. Specifically, pirated copies of DVSI’s AMBE-1000™, AMBE-2000™ and AMBE-3000™ vocoder chips are being manufactured and sold by Indusic - also known as Nanjing Wutong Microelectronics Technology Co., Ltd., a company based in the People’s Republic of China. Such pirated vocoder chips sold by Indusic, or others, are not licensed under any of DVSI’s intellectual property rights. In addition, they are not authorized, warranted or supported by DVSI, and they may not be meet the same quality, performance and interoperability specifications as authentic DVSI products. DVSI views purchasers of unlicensed products such as those offered by Indusic to be contributing to the infringement of DVSI’s intellectual property rights, and DVSI intends to hold all parties accountable as part of DVSI’s commitment to protect its intellectual property.
In order to avoid legal ramifications and to assure that all vocoder products meet the highest levels of quality, performance and interoperability, DVSI recommends purchasing only fully authorized and licensed vocoder products exclusively from DVSI or an authorized source. Furthermore, DVSI strongly recommends against purchasing any pirated vocoder products including those from Indusic (aka Nanjing Wutong Microelectronics Technology Co., Ltd.) or its affiliates. Indusic is not licensed by DVSI and has no right to sub-license, authorize, sell, produce or distribute any DVSI vocoder technology including hardware and/or software products.
Digital Voice Systems, Inc. (DVSI), is the sole owner and developer of the AMBE®, AMBE+™ and AMBE+2™ vocoder technology and associated hardware and software products, including those presented on this website and elsewhere. DVSI holds extensive intellectual property rights including patent rights, copyrights, trademarks and trade secrets in its AMBE®, AMBE+™ and AMBE+2™ vocoder technology and products.
The unauthorized reproduction or distribution of a copyrighted work is illegal. Criminal copyright infringement, including infringement without monetary gain, is investigated by the FBI and is punishable by fines and federal imprisonment.
AMBE+2™ is DVSI's latest technology which features an enhanced vocoder (2.0 - 9.6 kbps) and improves voice quality and robustness to acoustic background noise.
Learn More
The AMBE® vocoder is employed in most global satellite communication systems. It has proven to deliver high quality voice and robustness to acoustic background noise.
Learn More
The superior performance of DVSI's AMBE® vocoder technology has led it to become an integral part of a variety of communication networks and voice storage equipment.
Learn More