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Voice Tracker (Various Models)

Three desktop-sized microphone devices stacked on top of each other. The top one is black and saucer shaped, the middle one is white and has a slightly curved rectangular shape, and the bottom one is gray and has a long straight rectangular shape.
Model: 
I, II, III
Product Type: 
Device modifier
Manufacturer Name: 
Acoustic Magic
Approximate Cost: $279.00

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Product Description: 

Voice Trackers are array microphones that automatically locate and electronically steer toward the user when they talk, enabling the user to vocally dictate content to the computer. They contain eight microphones that work together to form a "listening beam" focused on the talker.

Voice Tracker I

Can be used as an auxiliary microphone with conventional conferencing systems that have good acoustic echo cancellation (AEC).

Voice Tracker II

It has its own built-in AEC, and can be used with VoIP systems that do not have a robust AEC.

Voice Tracker III

It has 2 dB better signal to noise ratio than the Voice Tracker I, and a flatter frequency response curve, providing a “brighter” sound quality.

Main Features: 

These features are common to all versions:

  • Unidirectional microphones with an omnidirectional field of view
  • Spatial filtering, which when combined with the six or eight always-on microphones in the array, create pickup ranges of 30 feet with a 360-degree field of view.
  • Can be used for a hands-free/headset free automatic speech recognition with full vocabulary dictation products such as Dragon.
  • Suited for home automation applications where a whole room has to be covered for command-and-control recognition.

Voice Tracker I has these additional features:

  • Nominal Range for meeting recording or voice control: 30 feet.
  • Nominal range for high accuracy full vocabulary ASR: 3-4 feet.
  • Number of mic elements: 8.
  • Built-in AEC: No.
  • Mute button: No.

Voice Tracker II has these additional features:

  • Nominal Range for meeting recording or voice control: 25 feet.
  • Nominal range for high accuracy full vocabulary ASR: 3-4 feet.
  • Number of mic elements: 6.
  • Built-in AEC: Yes.
  • Mute button: Yes.

Voice Tracker III has these additional features:

  • Nominal Range for meeting recording or voice control: 35 feet.
  • Nominal range for high accuracy full vocabulary ASR: 4-5 feet.
  • Number of mic elements: 8.
  • Built-in AEC: No.
  • Mute button: No.

Primary Specifications: 

Voice Tracker I has these specifications:

  • Dimensions: 18″ x 4.5″ x 1.5″.
  • Frequency Response 200Hz-7,000Hz: +/- 6.0 dB.
  • Power requirements: 6V DC wall supply included.
  • Ceiling and wall mount: Built-in.

Voice Tracker II has these specifications:

  • Dimensions: 11.5″ x 1.5″ x 1.25″.
  • Frequency Response 200Hz-7,000Hz: +/- 6.5 dB.
  • Power requirements: Powered by USB.
  • Ceiling and wall mount: Ceiling mount included.

Voice Tracker III has these specifications:

  • Dimensions: 22″ x 3.25″ x 1.5″
  • Frequency Response 200Hz-7,000Hz: +/- 6.5 dB.
  • Power requirements: 6V DC wall supply included.
  • Ceiling and wall mount: Included.

More Information: 

See Manufacturer's website about the Voice Tracker I.

See Manufacturer's website about the Voice Tracker II.

See Manufacturer's website about the Voice Tracker III. 

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