Phoenix Audio Technologies MT103KSK Manual Download Page 1

 
 

   Phoenix Audio Technologies, 16 Goodyear Suite 120, Irvine, CA 92618; Tel (818) 937-4774 

Fax (818) 859-1054

 

www.phnxaudio.com

 

 

 

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 

MT103KSK Four Microphone, Beamforming, & Echo 

Canceling Kiosk Kit 

Summary of Contents for MT103KSK

Page 1: ...res 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...

Page 2: ...a single microphone connected to either pin 1 2 3 or 4 of J1 However it is recommended that the provided microphones are used and that all four are connected to maximize beamforming and audio clarity...

Page 3: ...rvine CA 92618 Tel 818 937 4774 Fax 818 859 1054 www phnxaudio com How to Connect Digital connector J2 Reset Shut Down Analog connector J1 Microphone input Far end inputs Analog outputs Backup Reboot...

Page 4: ...ptp 2 IN2 Mic 2 In Mic Line 3 IN3 Mic 3in Mic Line Mic 140 mV ptp Phantom 1K 2 8V Line 2 V ptp Input Impedance 24K AC Coupled Max Rating 4Vptp 4 IN4 Mic 4 in Mic Line 5 IN5 NA Max Rating 4Vptp 6 IN6 F...

Page 5: ...A Pulled Up 100K 3 I N A Pulled Up 100K 4 I N A Pulled Up 100K 5 I N A Pulled Up 100K 6 O SDA I2C Pulled Up 5K VIn Low 1 0V Vin High 2 3V 0V 4 5V 7 I O SCL I2C Pulled Up 5K VIn Low 1 0V Vin High 2 3V...

Page 6: ...to use your own microphones ensure that they have boots and are identical in all aspects Place the microphones in the horizontal axis Do not place them vertically The spacing between the microphones s...

Page 7: ...ty available for Windows operating systems that can be downloaded for free from our website The SDK communicates with the MT103KSK through a standard USB link Once the settings have been modified usin...

Page 8: ...ogies 16 Goodyear Suite 120 Irvine CA 92618 Tel 818 937 4774 Fax 818 859 1054 www phnxaudio com MECHANICAL DRAWING IN DFX For additional information please refer to our website at www phnxaudio com or...

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