Active Noise Control

(redirected from Noise suppression)
Also found in: Encyclopedia.

Active Noise Control

The use of energy-consumptive systems to reduce “white” noise by applying specific algorithms and computer-controlled digital processors, to generate sounds opposite that of the undesired noise(s), effectively cancelling their effects.
Mentioned in ?
References in periodicals archive ?
9,060,052 which provides intellectual property protection for its reverberation and ambient noise suppression technologies.
Evaluations performed in actual products and in combination with Y capacitors have revealed that the noise filters combine a radiation noise suppression effect that satisfies the CISPR22 standard with a THD+N performance on a par with the shorted status even with an applied voltage of 0.
For always-on-the-go consumers, iS700 provides enhanced key stroke and key pad noise suppression, enabling ultrabook and tablet users to multi-task by providing the ability to have a Skype or VoIP call while typing away on the keyboard.
Fortemedia's new audio SoC, FM1488, has built-in capability to support voice signal processing for up to 6 microphones, in addition to processing different pickup patterns, providing the best noise suppression capability while extending the consumer's command voice pick range up to 5 meters.
AT&T's strict requirements regarding 2-microphone noise suppression go beyond other operators' requirements, demanding higher noise suppression while keeping the speech quality natural.
The hush factor makes each series ideal for applications such as DC-DC converter noise suppression circuits in both cars and commercial vehicles.
According to the company, the new chip is designed to support voice enhancement and handheld speakerphone noise suppression over wideband 4G networks to enable high definition (HD) voice quality.
Investigations of acoustic properties of materials were carried out in a noise suppression chamber in the Vilnius Gediminas Technical University (VGTU) Department of Environment Protection.
Moreover, real-time processing is achieved while recording movies as a result of optimizing the number of calculations for noise suppression.
The Rugby II, available in a grey, rugged clamshell design, features improved noise suppression and an external speaker making it easier to communicate regardless of the environment.
At the lower common European ultrasonic weld frequency (20 kHz) and with larger applications, a full enclosure around the welding system is normally more desirable to support noise suppression.