Sounds reduction perform is crucial for headphones, 1 should be to reduce sounds, to prevent abnormal amplification from the volume, as a result lowering hurt to the ear. The next is always to filter noise and so enhance the sound top quality and simply call excellent.Microphone can effectively reduce environmental noise (reduce auditory digital noise reduction )
Sounds cancellation is often divided into passive sound cancellation and energetic sounds cancellation.
Passive noise reduction is also generally known as actual physical noise reduction, passive sound reduction refers back to the use of bodily attributes to isolate the external noise in the ear, generally by the headband of the headset intended to get tighter, the ear cup cavity for acoustic optimization, ear cups put on the inner sound-absorbing resources ...... and the like to accomplish the bodily audio insulation in the headset. Passive sound cancellation is very successful in isolating high frequency seems (this kind of as human voice), usually minimizing the noise by about 15-20dB.
Passive sound cancellation
Lively noise cancellation is the company while in the advertising of headphones sound reduction purpose will be the main ANC, ENC, CVC, DSP and also other noise reduction know-how, these 4 noise reduction are exactly what is the theory, and what is the position? These days Xiao Shuo to popularize their doing the job rules and dissimilarities.
ANC noise reduction
ANC noise reduction (Lively Noise Management, energetic sounds reduction) works around the theory the microphone collects external environmental sound, then the procedure is transformed into an inverse seem wave additional into the speaker end, as well as the remaining audio heard because of the human ear is: ambient noise + inverse ambient sounds, two forms of sounds superimposed so as to obtain sensory sound reduction, the beneficiary is himself.
Active noise cancellation is split into feedforward lively sound cancellation and opinions lively noise cancellation according to the place in the pickup microphone.
ENC noise reduction
ENC (Environmental Noise Cancellation), can efficiently suppress 90% from the reverse environmental sound, thus cutting down environmental sounds up to 35dB or even more, enabling gamers to speak far more freely with their voice. By means of the twin microphone array, the orientation with the caller's speech is accurately calculated, and various interfering noises within the setting are eradicated whilst defending the focus on voice during the major direction.
DSP sound reduction
DSP could be the abbreviation of English (electronic signal processing). It truly is mainly for high and minimal frequency sounds. The theory of DSP noise reduction is analogous to that of ANC noise reduction. However, DSP sound reduction neutralizes and cancels the sounds specifically within just the method.
CVC sounds reduction
CVC (Distinct Voice Capture) can be a get in touch with program sounds reduction know-how. It primarily targets the echoes generated all through a simply call. By the full-duplex microphone sound cancellation application, to supply the echo and environmental sound cancellation functionality of the phone, is at the moment one of the most highly developed sounds reduction technologies from the Bluetooth contact headset.
DSP technology (elimination of exterior sound) is principally benefited because of the headset person himself, even though CVC (elimination of echo) largely gains the other celebration to the get in touch with.
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By | sdafasda |
Added | Apr 23 '21 |
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