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Acoustic Magic, Inc. - Voice Tracker I

Array Microphone with Mic Level Analog Output

Model: Voice Tracker I

  • Automatic electronic steering of listening beam to talker location
  • Selectable steering limits (90 degrees and 180 degrees) for speech recognition and meeting recording modes
  • Selectable LDS™ to reduce annoying interference of additional talkers during speech recognition or feedback during teleconferencing
  • Two stage noise reduction (spatial filtering and noise reduction processing)
  • 8 element, 18-inch long array for maximum range
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The Voice Tracker™ I array microphone was designed with two objectives. The first was to provide coverage throughout a large room for recording or conferencing applications to eliminate the need for multiple microphone/mixer setups, which require expert installation and are expensive. The second was to provide high quality audio for automatic speech recognition without the encumbrance of wearing a head set mic or holding a handheld mic.

Pick up over an entire room is accomplished in two ways. First, sensitivity was increased compared to conventional microphones by constructively adding the output of eight separate always on microphone elements. Second, spatial filtering and background noise reduction are used to eliminate sound from all areas in the room except that space around the active talker, so the increased sensitivity is not corrupted by noise.

As a consequence, the Voice Tracker™ I Array Microphone can pick up talkers at ranges of 30+ feet in meeting/classroom recording or conventional conferencing applications. It can work effectively for command control automatic speech recognition application at the same distances, and full vocabulary ASR at ranges of a few feet.

  • Automatic electronic steering of listening beam to talker location
  • Selectable steering limits (90 degrees and 180 degrees) for speech recognition and meeting recording modes
  • Selectable LDS™ to reduce annoying interference of additional talkers during speech recognition or feedback during teleconferencing
  • Two stage noise reduction (spatial filtering and noise reduction processing)
  • 8 element, 18-inch long array for maximum range
  • 5 elements in range light to indicate location of chosen talker and sufficiency of signal
  • Microphone tilt capability to facilitate desktop, monitor top, ceiling, or wall mounting
  • Compatible with a variety of operating systems including:
  • Microsoft: Windows 3.x, Windows 95, Windows 98, Windows NT, Windows 2000, Windows ME, Windows XP, Windows Vista, Windows 7, Windows 10
  • Apple/Macintosh: Mac OS, Mac OS X
  • Linux
 
 

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