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I have checked the definition of tonal masking on Wikipedia and google but I saw the definition of sound masking and auditory masking.

But I want to know what exactly is tonal masking?

DiaperHands
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Nzui Manto
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    Providing more context about where you came across the term(s) would help the community provide you with a more focused answer. –  Dec 20 '18 at 13:04
  • What do you understand by the word "tonal"? – Solar Mike Dec 20 '18 at 13:06
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    Would you ask somebody to provide more context about where they came across the terms inductance and capacitance if they asked a question about electrical circuits? This is all perfectly standard terminology in psychoacoustics, and noise masking is certainly "engineering" IMO. – alephzero Dec 20 '18 at 15:11

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Tonal masking is using tones at specific frequencies for sound masking, as compared with using noise containing a continuous band of frequencies.

In most practical situations noise is more effective for masking than tones, but experiments with pure tones are a way to try to understand how masking actually "works" in human hearing.

alephzero
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  • Perhaps the OP is looking for noise cancellation equipment or techniques and has had issues from translations... – Solar Mike Dec 20 '18 at 15:21