vocoding

vocoding

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DALLAS and TOKYO, April 11 /PRNewswire/ -- Texas Instruments Incorporated (TI), announced today that its high performance, low power TMS320VC5502 digital signal processor (DSP) was selected by KORG for RADIAS, the company's latest 24-voices synthesizer which offers a variety of synthesis algorithms together with multiple effects, new comb filter and wave shaping features, modulation sequencing, as well as new formant-motion vocoding.
Also integrated into the BCM 1101 are three analog CODECs capable of supporting both narrowband (8 kHz) and wideband (16 kHz) sampling, which in conjunction with wideband vocoding will enable IP phone networks to deliver higher fidelity voice transmission than PBXs or the Public Switched Telephone Network (PSTN).
This second edition differs most notably from the first, published in 1985, in its addition of several ideas and techniques that have since gained greater prominence, such as phase vocoding, granular synthesis, and physical modeling.
Variable rate vocoding also allows for lower bit rates during speech pauses.
LOD, Israel, March 9 /PRNewswire-FirstCall/ -- AudioCodes , a leading provider of Voice over Packet (VoP) technologies and Voice Network products, today announced the addition of Wideband Vocoding to its VoIPerfect(TM) DSP software, offering enhanced voice quality for VoIP Media Gateways, IP PBXs, IP phones, Residential Gateways and ATA products.
bandwidth optimization - adaptive multi-rate (AMR) vocoding, tandem-free operation via peer-to-peer IP switching, voice activity detection (VAD) and bundling, in addition to standard features such as frequency hopping, enable operators to increase the productivity of scarce spectrum;
There are 3 programmable vocoding rates: 2050bps, 2400bps or 2700bps and when combined with the embedded FEC, provides an overall bit rate of 3600bps.
13 (microns) and 90-nm semiconductor process technology and Octasic's designs for Voice over Packet (VoP) and Voice Quality Enhancement (VQE), which includes technology for line and acoustic echo cancellation, noise reduction capabilities, vocoding and packetization.
When deploying this system in remote or rural areas, the switching and vocoding functions can be moved closer to the base stations while maintaining a central Mobility Manager and home location register.
AudioCodes' SIP-based media gateway products are able to address wireless (2G, 3G, GSM/UMTS and CDMA), wireline, cable and enterprise network requirements for signaling and vocoding in a single platform making it an ideal platform to offer within a MobileVoIP Convergence solution," said Rich Poole, Director, Media Gateway Product Marketing.
Historically within our target markets, equipment designers have had very little choice in terms of standard IC products for high-quality, low bit-rate vocoding applications and have had to pay high initial licence fees and ongoing royalties to use available technology.
ASE 2 vocoding technology is a key enabler of reliable communications anywhere, anytime among troops across all military branches.