Technology

Halosonic®

Revolutionize Your Ride with HALOsonic

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Hear the difference with Halosonic

In-Cabin Noise Cancellation

Selective in-cabin noise cancellation while preserving music content for a premium audio experience.

Weight Reduction

Weight reduction through elimination of passive NVH treatments.

Engine Sound Synthesis

External engine sound synthesis for pedestrians’ safety, helping automakers to comply with governmental safety regulations.

Fuel Management

Facilitation of advanced fuel management strategies including engine downsizing and cylinder deactivation.

Enhance your drive with Halosonic, the advanced sound management system that brings technical excellence to vehicle acoustics. Featuring Engine Order Cancellation and Electronic Sound Synthesis, Halosonic actively reduces unwanted noise while delivering a pure audio experience. With Road Noise Cancellation, enjoy a quieter cabin, and with Sound2Target technology, experience sound tailored to your car's environment.

Road Noise Cancellation

RNC controller uses reference signals received from accelerometers placed throughout the suspension and chassis.
Microphones in the car roof further enhances system performance.
Lightweight materials enable OEMs to lower fuel consumption and CO2 emissions

Active Noise Cancellation - Engine Order Cancellation

EOC controller uses the engine RPM signal as a reference to generate a sound wave that is opposite in phase to the engine vibration-induced noise.
Error microphones provide feedback on the amplitude and phase to refine noise-cancelling effects.

Active Noise Cancellation – Virtual Microphone Technology

Predicts noise levels more accurately at occupant ear locations using existing error microphones.
Improves depth and frequency range of cancellation.
Predictions enable cost savings through reduction of hardware.

Active Noise Cancellation – HARMAN HALOsonic® TrueAudio

Ensures that only unwanted engine or road noise is cancelled, while preserving music signals in a similar audio range.

Road Noise Cancellation

RNC controller uses reference signals received from accelerometers placed throughout the suspension and chassis.
Microphones in the car roof further enhances system performance.
Lightweight materials enable OEMs to lower fuel consumption and CO2 emissions

Active Noise Cancellation - Engine Order Cancellation

EOC controller uses the engine RPM signal as a reference to generate a sound wave that is opposite in phase to the engine vibration-induced noise.
Error microphones provide feedback on the amplitude and phase to refine noise-cancelling effects.

Active Noise Cancellation – Virtual Microphone Technology

Predicts noise levels more accurately at occupant ear locations using existing error microphones.
Improves depth and frequency range of cancellation.
Predictions enable cost savings through reduction of hardware.

Active Noise Cancellation – HARMAN HALOsonic® TrueAudio