SCANC-II
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SCANC-II
- 01 SCANC-IIÀº °í¼º´ÉÀÇ Dual-core MCU·Î ±¸ÇöµÈ ANC Evaluation Kit ÀÔ´Ï´Ù.
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GUI ±â¹ÝÀÇ ANC Tuning Software
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- 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
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÷¼ö2 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÷¼öFeedback
Á¦¾î±â ÃÖ´ë Â÷¼ö2Â÷ °æ·Î ÃÖ´ë Â÷¼ö Feedback Neutalization
ÇÊÅÍ ÃÖ´ë Â÷¼ö1 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