Noise reduction with a single collection microphone 'ANC'
By using a single collection microphone, cost reduction is achieved, there are no discrepancies in microphone performance, and noise reduction accuracy is improved!
Active Noise Canceling (ANC) is a technology that utilizes the ability to synthesize sound by generating a phase-inverted sound that cancels out noise, thereby reducing it. By outputting the canceling sound from a speaker in response to the sound collected by a pickup microphone, noise is reduced. Our company's ANC system is characterized by achieving noise reduction with just a single pickup microphone.
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basic information
Install a noise-canceling speaker in the duct and a pickup microphone at the noise cancellation point. The controller (PC) collects sound from the microphone and outputs sound from the speaker to cancel out the noise, thereby reducing the noise. By adopting a feedback algorithm for the noise control filter, it eliminates the need for a pickup microphone for the noise source required by the feedforward algorithm, achieving this with just one pickup microphone at the noise cancellation point.
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Applications/Examples of results
It is expected to be effective in noise reduction in closed spaces such as ducts. It can also be utilized as a measurement tool. - Noise reduction in ducts and openings (such as exhaust pipes and chimneys) - Measurement of transfer functions (acoustic characteristics) within ducts.
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Company information
"MOR"e "S"teps "ON"ward──Towards a Future One Step Further Moason Japan will continue to be an IT partner that accelerates our customers' strategies. Moason Japan Co., Ltd. leverages over 40 years of experience and technology in software development to meet our customers' expectations across a wide range of industries and diverse product fields. Under the mission of providing the technologies and methods that society currently demands in a reliable manner, our company has acquired a broad range of expertise with a fearless attitude towards transformation. We will continue to gather all our strength to challenge the creation of new value in order to respond to the expectations of our customers and society with "more." To understand our customers' operations and challenges and provide the truly needed technologies, we have experts in each field.
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