Compandent, Inc.

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Company Overview

Compandent the leader in voice compression creates leading-edge innovative DSP algorithms and implementations for next-generation telecom products including voice compression, multimedia, packet networks, noise suppression and acoustic echo cancellation. Compandent also participated in the development of the MELPe vocoder standard, and ported it to TI DSPs such as TMS320C54x, TMS320C55x, TMS320C64x, c64+, c674x, L137, L138, OMAP, etc. We developed the "golden reference" MELPe based hardware and software for NSA and NATO.


Compandent specializes in voice compression and voice enhancement, and sells high quality MELPe software & hardware and enhancement software modules e.g. EchoKiller and NoiseMuter. Compandent provides MELPe related software & hardware modules, e.g. low-cost MELPe devices (DTE) FLEXI-232 that comes with TI DSK boards or in PC-104 form factor. Compandent MELPe packages and DTE devices use TMS320C54x™, TMS320C55x™, or TMS320C64x, c64+, c674x, L137, L138. Our MELPe suite is a hand optimized real-time implementation of the 2400 / 1200 / 600 bps MELPe vocoder, U.S. and NATO standard vocoder (MIL-STD-3005, STANAG 4591).

Software Type Codec Type Name or Standard/Profile Encoder/Decoder/Codec Application(s) TI Product Family eXpressDSP Compliant? Free Evaluation
Software Codecs Audio MELP Codec, Decoder, Encoder Digital Signal Processors,C55x DSP,ARM-Based Processor Platforms,C5000 DSP
Software Codecs Voice / Speech MELPe (Software Codecs) Codec, Decoder, Encoder C55x DSP,ARM-Based Processor Platforms,Digital Signal Processors,C5000 DSP
Software Codecs Voice / Speech MELPe Vocoder MELP Codec software for TI's C54x C55x C6x C64+ C674x processors Codec, Decoder, Encoder Communications Equipment, Personal Electronics C5000 DSP,Digital Signal Processors,ARM-Based Processor Platforms,C55x DSP
Services Offered Application(s) TI Product Family
EngineeringService_1 Communications Equipment ARM-Based Processor Platforms,C55x DSP,C5000 DSP,Digital Signal Processors
Product Type Solution Name Application(s) TI Product Family Design Services Manufacturing Services
MELPe DTE Board / Device FLEXI-232 Audio,PWM Input Class-D & Modulators,Speaker Amplifier Piezo,Audio ADC,Audio DAC,Audio Clock,Volume Control,Audio Subsystem,Audio Converters,Audio CODEC,Microphone Preamplifier,SPDIF Transceiver,Sample Rate Converter,Headphone Amplifier,Touch Screen Controller with Audio,Professional Audio Line Driver,Professional Audio Line Receiver,Speaker Amplifier Class AB/Class D,C5000 DSP,C55x DSP,2V/3Vrms Line Driver,Low-Power Audio Amplifiers (<5W),Digital Signal Processors,Digital Audio Interface,Lip Sync Delay IC,Mid-Power Audio Amplifiers (5-50W),Audio USB Converter
MELPe FLEXI-PC104 Low Cost Data Terminal Equipment Microphone Preamplifier,Digital Audio Interface,Audio Converters,Audio CODEC,Mid-Power Audio Amplifiers (5-50W),Touch Screen Controller with Audio,Audio Subsystem,PWM Input Class-D & Modulators,C5000 DSP,Audio,Lip Sync Delay IC,Professional Audio Line Receiver,ARM-Based Processor Platforms,Audio USB Converter,Audio ADC,Audio DAC,Volume Control,Sample Rate Converter,Professional Audio Line Driver,C55x DSP,Audio Clock,SPDIF Transceiver,Digital Signal Processors
Support Information

A list and links to documentation relevant to the solution, including schematics, board layout suggestions.

Sales Contact
Oded  Gottesman

26666 Birch Hill Way
Los Altos Hills , California
United States

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