Phoenix Audio Technologies MT103KSK Manual

MT103KSK Four Microphone, Beamforming, & Echo
The MT103KSK is a DSP based, four microphone, beamforming, stereo, and echo canceling
daughter board ideal for Kiosk solutions.

Features


The MT103KSK is a four microphone, beamforming, single output, stereo, 8KHz Noise Canceling/Echo Canceling
solution

The MT103KSK utilizes two, two-split Phoenix Audio microphones and your own loudspeaker. It provides both
analog and digital outputs

The 4 microphones are connected through a 0.1" pitch header. User can design the board to mount on its
motherboard with mating connector, or connect to the MT103KSK through wires

Controllable input level and phantom power supply via free downloadable utility

Analog output through a 0.1" pitch header. User can design the board to mount on its motherboard with
mating connector, or connect to the MT103-KSK through wires

Digital output through USB connection

Phoenix's proprietary echo canceling, beamforming, noise canceling, and AGC algorithms with no gating, to
prevent the loss of critical information

Specifications


16KHz sampling frequency; 100Hz-8KHz bandwidth

Two levels of Echo Canceling aggressiveness and three levels of Echo Canceling speed

Controllable tail length – up to 200 ms.

Three levels of noise reduction: 8dB (Low), 14dB (Medium), and 20 dB (High), selectable through the free
control software

Residual noise suppressed to the environment noise level to prevent pumping noise
Phoenix Audio Technologies, 16 Goodyear Suite 120, Irvine, CA 92618; Tel (818) 937-4774
Canceling Kiosk Kit
Fax (818) 859-1054
www.phnxaudio.com