Mobile Digital Filter Design Toolbox
Somsak Sukittanon and Josh Potts
Mobile devices have become very useful in many fields as portable computation devices. They function as data analysis and collection tools. Though they have become common place in many fields, there are few applications in the area of Digital Signal Processing (DSP). In this paper, we have developed a filter design toolbox for mobile devices, particularly iOS devices. This toolbox allows for the design of filter of user specified order and type, export of filter coefficients via email, frequency and impulse response plotting, and real time filtered playback. The limited memory and processing power of the devices required special mathematics for the filter design to be derived.
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