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2008-05-01 Vocoder IC rolls with full duplex capability
A RALCWI vocoder IC from CML Microcircuits offers full duplex capability, a new capability to CML's previous offerings.
2009-05-19 Vocoder chip offers three full duplex channels
Digital Voice Systems Inc. (DVSI) has introduced the AMBE-3003 multichannel vocoder chip that offers three separate encoder/decoder operations to provide the capability of up to three full duplex channels.
2001-05-16 TMS320C6000 multi-channel vocoder technology demonstration kit target side design
This application note provides an overview of the target system design in the TMS320C6000 Multichannel Vocoder (MCV) Technology Demonstration Kit (TDK).
2001-05-16 TMS320C6000 multi-channel vocoder technology demonstration kit host side design
This application note provides an overview of the host-side design in the Multichannel Vocoder (MCV) Technology Demonstration Kit (TDK).
2001-05-17 TMS320C6000 multi-channel vocoder technology demonstration kit
This application note describes the content of the TMS320C6000 DSP Multichannel Vocoder (MCV) Technology Demonstration Kit (TDK).
2005-05-10 Qualcomm rolls 4G vocoder
Qualcomm announced its Fourth-Generation Vocoder (4GV), a core voice codec suite that offers cdma2000 1X and 1xEV-DO operators the flexibility to make network adjustments that prioritize voice quality and network capacity
2001-05-08 Implementing vocoder and HF modem algorithms using the TMS320C31 DSP
This application note describes the implementation of a universal DSP module (UDM) to vocoders using the TMS320C31 DSP for a range of bit rates and to modems operating in the voice-band range.
2011-07-28 CML buys vocoder technology
CML Microsystems has acquired the RALCWI rights from Spirit to enhance the feature and performance of their products.
2005-01-28 StarCore to release voice Codecs at 3GSM World Congress 2005
StarCore's StarCodecs consist of highly optimized GSM vocoders adhering to the standards of the European Telecommunications Standards Institute.
2002-07-24 Spirit provides add-ons for TI telephony chip
Spirit Corp. has announced a set of software add-ons to Texas Instruments Inc.'s C54CST telephony IC.
2004-06-16 Sorting through GSM codecs
This article provides a look inside how compression technologies to analyze and compress speech works. This will also examine how the codecs need to evolve in order to meet the demands of 2.5G and 3G wireless networks.
2001-05-22 Implementation of G.729 on the TMS320C54x
This application note describes an implementation of a non-real-time ITU G.729 8kbps vocoder on Texas Instruments' TMS320C54x DSP.
2004-11-01 GSM vocoders improve speech transmission
The evolution of signal-processing cores has led to the enhancement of speech coders used for GSM systems.
2001-05-21 GSM mixed-rate voice coding on the TMS320C62x DSP
This application note describes how to link together the GSM full-rate (FR), half-rate (HR), enhanced full-rate (EFR) and adaptive multi-rate (AMR) voice coding implementations on the TMS320C62x DSP.
2001-05-17 GSM half-rate voice coding on the TMS320C62xx DSP
This application note describes the GSM half-rate voice coding implementation on the TMS320C62xx DSP (also called the vocoder). It discusses the system requirements and gives two levels of detail for the subroutines.
2001-05-17 GSM full-rate voice coding on the TMS320C62xx DSP
This application note describes the GSM full-rate voice coding implementation on the TMS320C62xx DSP (also called the vocoder). It discusses the system requirements and is designed for programmers who want to use the code in a basic GSM architecture.
2001-05-21 GSM adaptive multi-rate voice coding on the TMS320C62x DSP
This application note describes the GSM adaptive multi-rate (AMR) voice coding implementation on the TMS320C62x generation DSP.
2002-03-22 Fujitsu VoIP codec core supports up to four vocoders
Designed for wireless and broadband voice client applications, the company's embeddable VoIP codec core supports up to four independent and simultaneous speech vocoders.
2007-08-22 Smart selection of compilation options in DSP applications
Smart selection of compilation options can yield a dramatic performance improvement in DSP applications. This article shows how to improve code size consumption as well as the consumption of other important resources.
2003-06-16 Scalable DSP architecture heeds OEM's needs
When developing DSP applications, OEMs should use scalable DSP architectures to minimize time-to-market.
2001-02-01 Packet switching right choice for wireless
The Internet switching model can cost two orders of magnitude less than conventional circuit architectures, making the economics of an IP network very attractive.
2002-02-20 Modem-Art WCDMA processor implements 3GPP
Built around the company's Programmable Modem Engine core technology, the MA1000 baseband processor enables rapid implementation of Release 1999 and 4 of the 3GPP standards through updates by software and firmware, rather than hardware.
2004-02-05 LG deploys Mindspeed processor in CDMA2000 system
LG Electronics Ltd has chosen Mindspeed Technologies' Miro communications convergence processor for use in its Starex-IS CDMA2000 wireless basestation controller.
2003-04-29 Fujitsu VoIP chip eye SOHO environments
Fujitsu Microelectronics' integrated IP-Phone VoIP chip features a VoiceDSP engine designed for use in Internet telephony apps.
2001-03-01 Flow is shaky for programmable SoCs
Programmable SoC designs are becoming the trend of the future thanks to the greater density of today's programmable devices and the availability of efficient microprocessors. Unfortunately the CAD flows for these devices are far from being robust.
2010-09-13 1GHz programmable DSP core touts energy efficiency
CEVA's new 1GHz programmable DSP core, CEVA-X1643, incorporates native cached memory system, innovative power scaling unit and configurable ARM AXI bus interface.
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