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DQanc4
 

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Corporate Info
Hardware
Adaptive Technology
Active Noise Control
Digital Filter
Office & Contact us

Features

bulletActive Noise Control System with more than enough power.
bulletMaximum configuration : Case(4-4-4)
4ch Reference inputs, 4ch control outputs, 4ch error inputs with howling cancellers.
bulletEx_Tool system configuration
(1) DSP      : RU-DQ13  (1 board)
(2) AD/DA : RU-AX84  (2 boards)
(3) Chassis   : 5 slots
bulletProgrammable parameters
(1) Number of input & output channels : 1 - 4ch
(2) Howling canceller On/Off
(3) Sampling frequency : 500Hs - 48KHz
(4) Analog filter cut-off frequency : 100 - 20KHz
(5) Number of Fir taps : C & Hr - max.1024,  W - max.2048
(6) Step-size parameter and leakage for ADF
(7) Noise level for System identification
(8) Number of cycles for System identification
bulletControl algorithm : Leaky Filtered-X LMS
bulletCoefficient viewer
bulletWindows 2000/XP/Vista/7
bulletSoftware name : DQanc4   (RU-DQ13 Active Noise Control Rev.4)

 

Channel Configuration Sampling Frequency C & Hr max. number of taps W max. number of taps
CASE(4-4-4)

48KHz

120

180

12KHz

300

1300

8KHz

512

2048

CASE(2-2-2)

48KHz

200

688

16KHz

1024

2048

CASE(1-1-1)

48KHz

240

700

 

 

 

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Last update : 2010/06/18