Acoustic Magic Voice Tracker II Array Microphone

The Acoustic Magic Voice Tracker II Array Microphone
incorporates all of the technology that made the Voice Tracker I a
leading microphone for VOIP, teleconferencing and voice recognition
applications, with the addition of improved ambiance rejection to
eliminate unwanted background audio, feedback and echo.


The Voice
Tracker II listening beam technology, features multiple microphone
elements to provide coverage throughout a large room and eliminate the
need for multiple microphones. Acoustic Magic's AEC (Acoustic Echo
Cancellation) addresses the noise issues created with open microphones
at the far side (listening side) of the communication line. The talker's
audio signal is passed, while all ambiance noise is blocked, allowing
for uninterrupted full-duplex communication between the 2 lines.


The
Voice tracker electronically "steers" the listening beam to an active
talker, making it an ideal reference for remote camera or robot pointing
via RS 232. Additional features include USB power (optional USB power
supply available), Mute Mode and Mac & Windows OS compatibility.



Automatic electronic steering of "listening beam" to talker location


Two stage noise reduction (spatial filtering and noise reduction processing)


Built in High Quality Acoustic Echo Cancellation.


6 element, 10 inch long mic array for long range


Mute Mode


5 element "in range" light to indicate location of chosen talker and sufficiency of signal


Talker location signal thru DB 9 jack (cable optional)

Compatible with a Variety of Operating Systems Including:

Apple/Macintosh : Mac OS, Mac OS X


Microsoft : Windows 3.x, Windows 95,Windows 98,Windows NT, Windows 2000,Windows ME, Windows


XP, Windows Vista, Windows 7











Range


20+ feet (6m) for meeting recording (depends on acoustic characteristics of the room).



Noise Isolation


AEC Performance:

G.167 Compliant
70dB of echo cancellation in single talk

40dB of echo cancellation in double talk
Convergence time of less than 100ms

Sample rate: 48kHz



Audio Output


USB

Mic level or Line level (switch controlled) 3.5mm ministereo jack
6ft male/male audio cable (optional) Same signal on tip & ring 500 ohm output impedance



Beam Angle


Talker location signal accuracy: 5 degrees



Frequency Response


100Hz to 11,250Hz



Power


Powered by USB (wall-powered converter optional)

5V DC
400 mA



Dimensions (LxH)


11.5 x 1.5" (29.21 x 3.81cm)



Weight


0.75 lbs (0.34kg)












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