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Definition of "voice activity" |
stimuli that can be used to optimize channel capacity. The human voice activity cycle is typically 35%. The rest of the time we are either listening or pausing. In a multiple access scenario such as CDMA, all users are sharing the same radio channel. When users assigned to the channel are not talking, all other users on the same channel benefit with less interference. Thus, the voice activity cycle reduces mutual interference by 65%, tripling the true channel capacity. CDMA is not the only technology that takes advantage of this phenomenon. |
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