Road ANC(RANC) ¼Ö·ç¼Ç

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Road-noise ANC vs. Engine-noise ANC

  • 01 Engine-noise ANC
    • Quasi-periodic narrow-band signal
    • 1992³â Nissan ½Â¿ëÂ÷¿¡ ÃÖÃÊ·Î »ó¿ëÈ­
  • 02 Road-noise ANC
    • Irregular and random wide-band signal
    • 2019³â Çö´ëÀÚµ¿Â÷°¡ SUV¿¡ ÃÖÃÊ·Î »ó¿ëÈ­
    • ³»¿¬ ±â°ü¿¡ ºñÇØ ÁÙ¾îµç ¸ðÅÍ ¼ÒÀ½ ´öºÐ¿¡ Àü±âÂ÷ÀÇ °æ¿ì µµ·Î ¼ÒÀ½ÀÌ ÁÖµÈ ¼ÒÀ½¿ø
    • Àü±âÂ÷ ½Ã´ë¿¡ Çʼö ¿ä¼Ò ±â¼ú

Road-noise ANC Solution

  • 01 3-Axis Accelerometer ±â¹ÝÀÇ reference input
    • 4°³(12-channel) ¶Ç´Â 6°³ÀÇ(18-channel)ÀÇ 3Ãà Accelerometer
  • 02 8 ~ 12°³ÀÇ physical error microphones
  • 03 8 ~ 24°³ÀÇ virtual microphones
  • 04 Time-Frequency FxLMS ±â¹ÝÀÇ Multi-channel ANC with Virtual sensing technique
    12ch XL x 8ch mic x 8 spk x 8 virtual mic RANC ¼º´É
  • 05 RANC Performance Tuning Software
    RANC Performance Tuning Software

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