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G.711. G.722. 16K samples. 8K samples. 150Hz. 300Hz. 3.4KHz. 7KHz. HD aka Wideband Audio. G.722 codec/Wideband Audio: Expands spectrum for voice comms to approx 150-7000 Hz 64kbps bandwidth (same as G.711) - PowerPoint PPT Presentation
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HD aka Wideband AudioG.722 codec/Wideband Audio: Expands spectrum for voice comms to
approx 150-7000 Hz 64kbps bandwidth (same as G.711) G.722 supported on voice gateways, in
CME, and by voice conferencing (MP) Phones re-designed specifically for
wideband (new mics, housings etc) Cisco whitepaper available:
http://www.cisco.com/en/US/prod/collateral/voicesw/ps6788/phones/ps379/ps8537/prod_white_paper0900aecd806fa57a.html
150Hz 3.4KHz 7KHz
G.711 G.722
8K samples 16K samples
300Hz
Native wideband speaker and handset for optimal voice
Supported Products• First deployed on the
7985: 09/2005• Has become a default
offering on Cisco middle and high end endpoints.
7937G
7942G7962G
7945G 7965G
7975G 7985G
8961 9951 9971 CIUS
Customer PoV• Customers get the analogy
of HDTV and WB audio.• They also don’t see the
value until they start using it regularly and then receive a NB call from the PSTN.
• Warmth, clarity• Understandibility• Less Fatigue
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