- Microphones Placement: ANC systems typically employ multiple microphones strategically positioned throughout the vehicle. These microphones are usually placed in areas where they can effectively capture the ambient noise, such as the headliner, pillars, or door panels.
- Noise Analysis: The microphones continuously pick up sound waves from various sources, like engine noise, road noise, wind noise, and other low end sounds. These incoming noise signals are then analyzed by the system to identify their frequency, amplitude, and phase.
- Signal Processing: The Electronic Control Unit (ECU) or the central processing unit receives the data from the microphones and performs complex signal processing algorithms. These algorithms analyze the characteristics of the noise and generate a corresponding anti-noise signal.
- Anti-Noise Generation: The anti-noise signal is designed to be out of phase with the detected noise. This means that when the anti-noise signal combines with the original noise, they interfere destructively, effectively canceling each other out.
- Speaker Output: The anti-noise signal is then transmitted to the vehicle's speakers, which emit the anti-noise waves into the cabin. The speakers are strategically positioned to ensure optimal distribution of the anti-noise signal throughout the interior space.
- Cancellation Effect: As the anti-noise waves propagate through the cabin and interact with the original noise, they create zones of destructive interference. In these zones, the amplitude of the combined wave is significantly reduced, resulting in a quieter environment for passengers.
- Adaptive Control: Some advanced ANC systems utilize adaptive control algorithms that continuously monitor and adjust the anti-noise signal in real-time. These algorithms can adapt to changes in driving conditions, vehicle speed, and road surface, ensuring effective noise cancellation under various circumstances.
- Integration with Vehicle Systems: ANC systems may also integrate with other vehicle systems, such as the audio system or the infotainment system. This integration allows for seamless operation and control of the ANC system, providing drivers with the flexibility to adjust settings according to their preferences.
Over 250,000 harnesses sold
Over 250,000 harnesses sold