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• a battery-free SSN that changes the sensitivity of the channel signals received from the STA using backscatter modulation
In addition
c) Categorisation procedure based on ECMA-389 removed
amendment 1 (1993) and amendment 2 (1996)
Headphones and earphones - Active acoustic noise cancelling characteristics standards • a battery-free SSN thatUS National Adoption of Sound system equipment Part 24: Headphones and earphones Active acoustic noise cancelling characteristics IEC 60268 24: 2023 (ANSI CTA 6015) This is the US National Adoption of Sound system equipment Part 24: Headphones and earphones Active acoustic noise cancelling characteristics IEC 60268 24: 2023. IEC 60268 24: 2023 is applicable to active acoustic noise cancelling headphones and earphones which have the function of
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