Product category: Embedded Software and Operating Systems
News Release from: Spirit DSP | Subject: Multi-Pass
Edited by the Electronicstalk Editorial Team on 25 November 2004
Software improves PC-based VoIP systems
Multi-Pass is a new software product for PC-based VoIP communication
Spirit Multi-Pass is an advanced conferencing solution providing both server-based and serverless peer-to-peer and multipoint conferencing. Spirit Multi-Pass enables any number of conferences and unlimited number of participants per conference without degradation of speech quality and user experience.
Related stories
Smartphone OEM signs for voice and video
High Tech Computer Corp has chosen TeamSpirit Mobile Voice/Video Engine to be integrated into its triband 3G phones
Magazine praises software
Spirit products are being used by HTC, Compal, Quanta, Arima and other mobile OEMs in Asia, Europe and the US
So speech clarity is preserved even for multi-user conferences, as in a face-to-face conversation.
Spirit Multi-Pass is based on a prosodic active speaker selection (Pass) algorithm.
Analysis of prosodic speech characteristics combined with dynamic utterance modelling makes speakers activity estimation more accurate.
Further reading
Voice engine set for new mobile devices
High Tech Computer Corp has licensed the TeamSpirit Mobile Voice Engine for integration into new mobile devices
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-Pass doesn't require participants to have broad bandwidth.
Thanks to smart traffic channelling, voice traffic and channel usage are optimised to reduce CPU load.
Spirit Multi-Pass ensures that each speaker gets the best chance/time to speak, to be heard, and to hear all the meaningful speech of others.
"Spirit's 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-Pass is an additional feature to provide executive-level conferencing quality, optimised traffic and channel usage, and reduced costs of multi-user support".
"All these features significantly cut operator and enterprise expenses".
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