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<P ALIGN="JUSTIFY" STYLE="margin-left: 1.86cm; margin-bottom: 0cm"><FONT COLOR="#2300dc"><FONT SIZE="7" STYLE="font-size: 32pt">firStudio</FONT></FONT><FONT COLOR="#2300dc">
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<P ALIGN="JUSTIFY" STYLE="widows: 2; orphans: 2"><IMG SRC="firstudio_html_m57791038.png" NAME="graphics1" ALIGN="LEFT" WIDTH="786" HEIGHT="393" BORDER="0"><BR CLEAR="LEFT"><FONT FACE="Arial Narrow"><FONT COLOR="#000000"><FONT FACE="Arial, Helvetica, sans-serif"><FONT SIZE="4"><SPAN STYLE="font-style: normal"><SPAN STYLE="font-weight: normal"><BR></SPAN></SPAN></FONT></FONT></FONT><FONT FACE="Arial"><FONT SIZE="2">firStudio
is a versatile tool for the design of Finite Imp[ulse Response
(FIR) filters based on windowing methods and the equiripple
Park-McClellan method. firStudio comes with a very simple user
interface that is very easy to use. </FONT></FONT><FONT SIZE="2"><BR><BR></FONT><FONT FACE="Arial"><FONT SIZE="2">Features:</FONT></FONT>
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<UL>
<LI><P ALIGN="JUSTIFY"><FONT FACE="Arial"><FONT SIZE="2">Design of an
FIR filter based on the windowed method (using rectangular,
Hamming, Hanning, triangular, Kaiser-Bessel, Dolph-Chebychev and
Blackman-Harris window functions) and the equiripple
Park-McClellan method.</FONT> </FONT>
</P>
<LI><P ALIGN="JUSTIFY"><FONT FACE="Arial"><FONT SIZE="2">Filter
length can either be specified or estimated based on filter
parameters. </FONT></FONT>
</P>
<LI><P ALIGN="JUSTIFY"><FONT FACE="Arial"><FONT SIZE="2">Design of
low-pass, high-pass, band-pass, band-stop Raised Cosine and Root
Raised Cosine filters with the specified roll-off factor. </FONT></FONT>
</P>
<LI><P ALIGN="JUSTIFY"><FONT FACE="Arial"><FONT SIZE="2">Plotting the
Frequency Response (Magnitude and Phase). </FONT></FONT>
</P>
<LI><P ALIGN="JUSTIFY"><FONT FACE="Arial"><FONT SIZE="2">Plotting the
Impulse Response. </FONT></FONT>
</P> <LI><P ALIGN="JUSTIFY"><FONT FACE="Arial"><FONT SIZE="2">Saving
impulse and frequency responses as images using the .png format.</FONT>
</FONT> </P>
</UL>
<P ALIGN="JUSTIFY"><FONT FACE="Arial"><FONT SIZE="2">The graphical
user interface of firStudio is deliberately designed to be as
intuitive as possible. We avoided unnecessary use of menu items
that are not releveant to FIR filter design, thereby eliminating a
steep learning curve. A designer can start designing
FIR filters with firStudio within minutes as GUI and all
menu items are intuitive and the user instruction is consice and
clear.</FONT></FONT></P>
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