Fixed point represntationin dsp

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embpic

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hello mater's
i am new to dsp implementation on arm7 but when read about fixed point representation of floating numbers i am not getting the concept and .
1.what is Q15 AND Q17 and how to determined that numbers.?
2. may i implemant fixed point representation in normal programming also?
3. what is procedure for that and and how to implement this one.

thank you.
 

hello any one know how to use fixed point representation.
 

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