
Evaluations of USB-connected Echo-cancelling Loudspeaker/microphone systems for videoconferencing applications Document Authors Ronnie Gibb, St
10 Indicators/LEDs functions Connected; Mic Mute Status Power from USB; or from supplied (optional) power supply; both charge internal battery Cable
11 Phoenix Solo System Phoenix Model Solo USB Guide Cost £100 Test Date 17/03/2010 WebSite http://phnxaudio.com/products/solo A. Hardware Descr
12 Available Here; http://www.phnxaudio.com/support/downloads.html C. Connectivity Cables Captive cable to USB A Connectors Captive cable to USB A
13 System PolyCom Model C100S Guide Cost £90 Test Date 17/12/2009 WebSite http://www.polycom.com/products/voice/desktop_solutions/pc_speakerphones/
14 Speaker Acceptable. Levels; MIC Good level control; not obtrusive. Speaker: Adequate for small room; increasing level produces greater echo probl
15 System Spreed Model USB Internet Speakerphone Guide Cost £31 Test Date 21/12/2010 WebSite http://www.spreed.com/eu/prices/conferencespeaker/inde
16 Speaker acceptable for speech. Headroom; MIC acceptable. Speaker acceptable Levels; MIC Gave best results when mic port pointed at participants -
17 System US Robotics Model Model 9610A Guide Cost £8 Test Date 21/12/2010 WebSite http://www.usr.com/support/producttemplate.asp?prod=9610 A.
18 Optional Software (not required to use device) 4 x Optional software C. Connectivity Cables USB A to USB mini Connectors USB mini Comments 1.5m
19 Yamaha PJP-10UR System Yamaha Model PJP-10UR Guide Cost £170 Test Date 21/12/2010 WebSite http://www.yamaha.co.jp/english/product/projectp
2 Introduction USB-connected echo-cancelling loudspeaker/microphone systems are used in place of a headset/microphone combination in desktop or sma
20 Indicators/LEDs functions Connected; Mic Muted; Speaker muted; firmware updates status. Power From USB Cables Supplied USB A-Mini USB cable Warra
21 Echo Cancellation 5 Value for Money 5 Total 35 Yamaha PJP-25UR System Yamaha Model PJP-25UR Guide Cost £270 Test Date 24/03/2010 WebSite
22 Cables Supplied USB A-Mini USB cable Warranty 1 year Documentation Supplied Multi-language Quickstart guide; Manual on CD Web Info http://www.yam
23 Ease of Installation 5 Audio tests 5 Echo Cancellation 5 Value for Money 4 Total 34 Table of Results System ClearOne Phoenix PolyCom Spreed Ya
24 Summary - All systems tested were easy to connect to the PC. However one required Windows drivers. - All were recognised by the PC as USB Audio
3 ClearOne Chat 50 System ClearOne Model Chat 50USB Guide Cost £180 Test Date 18/11/2009 WebSite http://www.clearone.com/personal-usbspeakerph
4 Optional Software (not required to use device) On CD; Chat Software; Quickstart guide; User manual; Support Docs. C. Connectivity Cables USB A to
5 ClearOne Chat 150 System ClearOne Model Chat 150USB Guide Cost £245 Test Date 17/03/2010 WebSite http://www.clearone.com/video-conferencesp
6 Power Through USB Cables Supplied USB Type A -B Warranty 2 year Documentation Supplied A6 24 page quickstart guide; English Web Info http://www.cl
7 Phoenix Duet System Phoenix Model Duet PCS Guide Cost £150 Test Date 30/04/2010 WebSite http://www.phnxaudio.com/products/duet/details/3-duet
8 B. Setup / Installation Procedure Platform supported PC or MAC. Win 2K/XP/Vista; Linux; Mac OS X. Procedure + problems Plug and Go; immediately re
9 Phoenix Quattro System Phoenix Model Quattro VC; MT301 Guide Cost £435 Test Date 10/03/2010 WebSite http://www.phnxaudio.com/products/qu
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