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Microphone Lets You Move throughout a Room While You Speak
Acoustic Magic 201 Voice Tracker II Array Microphone
Acoustic Magic 201 Voice Tracker II Array Microphone
Acoustic Magic 201 Voice Tracker II Array Microphone
Item# 76693
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Overview

  • Electronically locates and automatically steers toward talker
  • 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
  • 5 element "in range" light to indicate location of chosen talker and sufficiency of signal
  • Mute Mode

Essential Info

Most array microphones have a fixed "listen" direction, severely limiting a speaker's range of motion. But the Acoustic Magic Voice Tracker II Array Microphone automatically locates and electronically steers toward you when you talk, leaving you free to move around during a speech or teleconference, thus letting you use visual aids or pace with ease. The VT II works like a headset to improve signal-to-noise ratios in two ways. First, the digital signal processor creates a listening beam that focuses on the talker and spatially filters noise from other directions. Second, the proprietary noise reduction algorithms filter out background noise and reverberations that are present in the acoustic environment. Several talkers can take part in teleconferencing since it rapidly steers to the individual participants as they put their two cents in. The VT I and VT ii also have a special feature that desensitizes the microphone to sounds coming from preselected directions, so even with construction work going on next door, your voice will come through clearly.


  • Improved Portability - The Voice Tracker II is significantly smaller than the Voice Tracker I. The Voice Tracker II's primary audio output is USB and it is powered by its USB connection, eliminating the need to be connected to wall power. Not only does this remove the need to carry the wall power converter, it eliminates the need to have different wall power converters for different countries.

  • Talker Location Signal - Since the Voice Tracker automatically and electronically steers a listening beam to the active talker, it knows the location of the talker. In the Voice Tracker II - this information is made available outside the DSP as a RS 232 serial word through a DB-9 Jack. A sophisticated customer can use this information to point a camera, or turn the head of a robot toward the talker. Note that Acoustic Magic does not provide any algorithms for the use of the location information.

  • Turns inexpensive VoIP based telephony systems like Skype and Adobe Connect into Conferencing tools - A crucial audio requirement for conferencing is the elimination of acoustic echo (sound from the far end talker picked up by the open mic and sent back). The Voice Tracker II Array Microphone's internal AEC algorithm provides performance that rivals or exceeds that of AEC boxes costing several thousand dollars. Connect the Voice Tracker II Array Microphone to your PC based VoIP software and eliminate the need to use headphones; all the near end talkers will be heard, even if they talk softly or are far away from the mic, and the far end talker will hear no echo.


  • Voice Tracker I vs. Voice Tracker II Product Comparison Chart
    Item NumberVoice Tracker IVoice Tracker IIComments
    USB outputNoYesVT I has an optional Replacement Power Supply
    Analog OutputMic LevelMic Level or Line LevelN/A
    Power Requirements6V DC plugUSB PowerVT II has an optional USB Wall Power Converter
    Acoustic Echo CancellationNoYesFor full duplex conferencing
    Mute ModeNoYesN/A
    Scanning Range360°360°More sensitive from front 180°
    Range for Meeting Recording or Voice Control~30 feet~20 feetDepends on room acoustics
    Range for Full Vocabulary ASR2 feet2 feetN/A
    Qualitative Talker LocationYesYes5 LEDs
    Quantitative Talker LocationNoYesSerial word, RS-232 thru optional DB9 Connector Cable
    Dimensions18" x 4.5" x 1.5"11.5" x 1.5" x 1.25"N/A
    # of Mic Elements86N/A
    Ceiling MountYes (built-in)10%YesVT II has an attachable/detachable ceiling mount

    Manuals/Software

    What's Included

  • 1x - Voice Tracker II Microphone
  • 1x - USB cable
  • 1x - 6 Foot Audio Cable
  • 1x - 3.5mm Splitter
  • 1x - Ceiling Mount
  • 1x- Owner's Manual
  • Specifications

    Specifications
    ManufacturerAcoustic Magic
    Manufacturer Product No.201
    UPC794504147339
    Range20+ feet for meeting recording (depends on acoustic characteristics of the room)
    AEC Performance
  • G.167 Compliant
  • 70 db of echo cancellation in single talk
  • 40 db of echo cancellation in double talk
  • Convergence time of less than 100ms
  • Sample rate: 48KHz
  • Primary Audio OutputUSB
    Secondary Audio Output
  • Mic level or Line level (switch controlled) 3.5mm mini-stereo jack
  • 6 foot male/male audio cable (optional) Same signal on tip & ring 500 ohm output impedance
  • Talker Location Signal Accuracy5 degrees
    Talker Location SignalDB-9 jack (cable optional)
    Frequency Response100Hz to 11,250 Hz
    Physical DimensionsLength: 11.5", Height: 1.5"
    Weight0.75lbs
    Power EquipmentPowered by USB (5V DC 400 ma); wall-powered converter optional
    Platform Compatibility
  • 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
  • Specifications TypeSpecification


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