Flexibly adjustable FIR audio digital frequency divider
A digital frequency divider and a technology for adjusting parameters, applied in pulse counters, digital technology networks, counting chain pulse counters, etc. Effect
Active Publication Date: 2017-07-14
SHENZHEN TENDZONE INTELLIGENT TECH
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Abstract
The invention relates to a flexibly adjustable finite impulse response (FIR) audio digital frequency divider. The flexibly adjustable FIR audio digital frequency divider comprises an operation unit and a configuration unit, wherein the operation unit comprises a route module and at least two FIR modules, the route module comprises an on-off parameter for controlling whether to connect with each FIR module, and each FIR module comprises an adjustment parameter involving in a frequency division process; the on-off parameter and the adjustment parameter are firstly configured and then are transmitted to the route module and each FIR module through the configuration unit, next a data flow enters an FIR module which is switched on by the route module, and the data flow is subject to frequency division and then is outputted. In use, the on-off parameter and the adjustment parameters are firstly configured and secondly transmitted to the operation unit through the configuration unit, and the operation unit performs frequency division process on the data flow and then outputs the processed data flow. By adopting the technical scheme of the invention, each parameter in a frequency division processing procedure can be flexibly adjusted in order to meet different frequency division requirements.
Application Domain
Digital technique networkCounting chain pulse counters
Technology Topic
Audio frequencyFrequency division duplex +4
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