SPIRIT Unveils Multi-PASS Software for PC-based VoIP Communication

11/24/2004 - SPIRIT (www.spiritdsp.com/voip), the leading supplier of embedded software products for telecom and VoIP, announces Multi-PASSTM - a new software product targeted for PC-based VoIP communication.

SPIRIT Multi-PASSTM is an advanced conferencing solution providing both server-based and serverless peer-to-peer and multipoint conferencing. SPIRIT Multi-PASSTM enables any number of conferences and unlimited number of participants per conference without degradation of speech quality and user experience. So speech clarity is preserved even for multi-user conferences, as in a face-to-face conversation.

SPIRIT Multi-PASSTM is based on Prosodic Active Speaker Selection (PASS) algorithm. Analysis of prosodic speech characteristics combined with dynamic utterance modeling makes speakers activity estimation more accurate. The analysis is performed on each speaker’s side and does not load server CPU. In accordance with the compact PASS info, conferencing engine directly passes voice data from active speakers to other participants. SPIRIT Multi-PASSTM doesn’t require participants to have broad bandwidth. Due to smart traffic channeling, voice traffic and channel usage are optimized to reduce CPU load.

SPIRIT Multi-PASSTM ensures that each speaker is getting the best chance/time to speak, to be heard, and to hear all the meaningful speech of others.

“SPIRIT PC-based VoIP solution is targeted to offer better-than-PSTN quality at low cost”, - says Andrew Sviridenko, founding CEO of SPIRIT. “Following this strategy, SPIRIT Multi-PASSTM is an additional feature to provide executive-level conferencing quality, optimized traffic and channel usage, and reduced costs of multi-user support. All these features significantly cut operator and enterprise expenses.”

SPIRIT (www.spiritDSP.com) is a prominent supplier of high-quality software products for audio and telecom industries. SPIRIT's flexible licensing model includes cost efficient product customization to specific clients' needs. SPIRIT communication software works within hardware solutions from clients including Agere, Atmel, Furuno, JRC, NEC, Nortel Networks, Panasonic, Philips, Samsung, Siemens, Tadiran, Texas Instruments, and Toshiba among 100+ other OEMs. Texas Instruments is shipping SPIRIT's software ROM-ed into TI C54CST processor.

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