SCANC-II

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SCANC-II

  • 01 SCANC-IIÀº °í¼º´ÉÀÇ Dual-core MCU·Î ±¸ÇöµÈ ANC Evaluation Kit ÀÔ´Ï´Ù.
SCANC-I
SCANC-I

¡Ø À̹ÌÁö¸¦ Ŭ¸¯Çϸé È®´ëÇؼ­ º¼ ¼ö ÀÖ½À´Ï´Ù.

GUI ±â¹ÝÀÇ ANC Tuning Software

1 reference mic x 2 error mic x 2 speaker/ 1 reference mic x 1 error mic x 1 speaker

¡Ø À̹ÌÁö¸¦ Ŭ¸¯Çϸé È®´ëÇؼ­ º¼ ¼ö ÀÖ½À´Ï´Ù.

0 reference mic x 2 error mic x 2 speaker

¡Ø À̹ÌÁö¸¦ Ŭ¸¯Çϸé È®´ëÇؼ­ º¼ ¼ö ÀÖ½À´Ï´Ù.

Mic Gain ¹× Ãâ·Â AttenuationÀ» À§ÇÑ Digital Volume Control

¡Ø À̹ÌÁö¸¦ Ŭ¸¯Çϸé È®´ëÇؼ­ º¼ ¼ö ÀÖ½À´Ï´Ù.

Mic Gain ¹× Ãâ·Â AttenuationÀ» À§ÇÑ Digital Volume Control

Á¦Ç° ³»¿ë¹°

  • 01 TMS320F2838xD Dual-core MCU ±â¹ÝÀÇ ANC H/W Evaluation board
  • 02 Active Speaker 1Á¶
  • 03 Condenser Mic. 4°³
  • 04 JTAG Emulator
  • 05 5V ¾î´ðÅÍ ¹× RCA ÄÉÀ̺í, Mic ¿¬Àå ÄÉÀ̺í
  • 06 USB ÀúÀåÀåÄ¡ (User¡¯s Guide ¹× Tuning software ³»Àå)

ANC H/W Specification

ANC H/W Specification
H/W Specification
MCU Texas Instrumentsȍ˂ TMS320F2838xD
MCU Clock 200MHz
ADC ³»ÀåµÈ Differential-ended 12bit 4°³
DAC 1 ¿ÜÀåµÈ 2channel SPI 16bit (ANC Ãâ·Â¿ë)
DAC 2 ³»ÀåµÈ 12bit 3°³ (Singal Generator¿ë)
Input Lowpass ÇÊÅÍ 1.5kHz Cutoff ÁÖÆļö, 8Â÷ Linear Phase 0.5 degree
Output Lowpass ÇÊÅÍ 1.5kHz Cutoff ÁÖÆļö, 8Â÷ Linear Phase 0.5 degree
Mic Pre-amp Digital potentiometer¸¦ ÀÌ¿ëÇÑ sofware º¼·ý Á¶Àý

ANC S/W Specification

  • 01 Sampling ÁÖÆļö : 12kHz
  • 02 ¾Ë°í¸®Áò : Delay-Compensated Variable Step-sized Multi-Channel FxLMS
  • 03 Microphone Gain°ú Ãâ·Â Attenuation À§ÇÑ Digital Volume Control
  • 04 Noise source¸¦ À§ÇÑ 3 Channel Signal Generator
    • Multi-Sinusoidal Signal
    • Colored Signal
    • White Signal
  • 05 Á¶Àý °¡´ÉÇÑ ÆĶó¸ÞÅÍ
    • Feedforward Á¦¾î±â Â÷¼ö
    • Feedback Á¦¾î±â Â÷¼ö
    • Feedback Neutralization ÇÊÅÍ Â÷¼ö (single channel ANC¿¡¼­¸¸ Áö¿ø)
    • Convergence factor
    • Regularization factor
    • Leaky factor
    • Momentum factor (single channel ANC¿¡¼­¸¸ Áö¿ø)

Áö¿øµÇ´Â configuration ¹× ¼³Á¤ÇÒ ¼ö ÀÖ´Â ÃÖ´ë Â÷¼ö

  • 01 Feedforward ANC
    Feedforward ANC
    Reference Error Mic Speaker Á¦¾î±â ÃÖ´ë Â÷¼ö 2Â÷ °æ·Î ÃÖ´ë Â÷¼ö Feedback Neutalization
    ÇÊÅÍ ÃÖ´ë Â÷¼ö
    2 2 2 600 380 N/A
    1 2 2 600 380 N/A
    1 1 1 2000 1100 1300
    1 1 1 1500* 1100* N/A

    (*) Momentum Factor Àû¿ë ½Ã

  • 02 Hybrid ANC
    Hybrid ANC
    Reference Mic Error Mic Speaker Feedforward
    Á¦¾î±â ÃÖ´ë Â÷¼ö
    Feedback
    Á¦¾î±â ÃÖ´ë Â÷¼ö
    2Â÷ °æ·Î ÃÖ´ë Â÷¼ö Feedback Neutalization
    ÇÊÅÍ ÃÖ´ë Â÷¼ö
    1 1 1 2000 700 1100 1300
    1 1 1 1500* 700* 1100* 1300*

    (*) Momentum Factor Àû¿ë ½Ã

  • 03 Feedfback ANC
    Feedback ANC
    Reference Mic Error Mic Speaker Á¦¾î±â ÃÖ´ë Â÷¼ö 2Â÷ °æ·Î ÃÖ´ë Â÷¼ö
    0 2 2 600 380
    0 1 1 2000 1100