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	<title>WwW.TarikZengin.CoM &#187; Dimmu Borgir</title>
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		<title>[Matlab] Muzik Sentezleme</title>
		<link>http://tarikzengin.com/matlab-muzik-sentezleme/</link>
		<comments>http://tarikzengin.com/matlab-muzik-sentezleme/#comments</comments>
		<pubDate>Fri, 02 Jan 2009 07:19:20 +0000</pubDate>
		<dc:creator>Aydin Tarik Zengin</dc:creator>
				<category><![CDATA[Matlab]]></category>
		<category><![CDATA[Projeler]]></category>
		<category><![CDATA[Dimmu Borgir]]></category>
		<category><![CDATA[lame]]></category>
		<category><![CDATA[Muzik Sentezleme]]></category>
		<category><![CDATA[Nar Sjelen Hentes Til Helvete]]></category>
		<category><![CDATA[Sentezleme]]></category>
		<category><![CDATA[soundsc]]></category>
		<category><![CDATA[spectogram]]></category>
		<category><![CDATA[Stormblast]]></category>

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		<description><![CDATA[<a href="http://tarikzengin.com/matlab-muzik-sentezleme/" title="[Matlab] Muzik Sentezleme"></a>Aslinda muzik degil de melodi sentezi desek daha dogru olabilirdi. Cep telefonu melodisi yazmak gibi birsey. Sentezlemeye calisacagimiz melodi pek bir sevdigim Norvec&#8217;li grup Dimmu Borgir&#8217;in 1996 Stormblåst albumundeki Når Sjelen Hentes Til Helvete isimli parcadan. 2005 yilinda Stormblåst albumunu &#8230;<p class="read-more"><a href="http://tarikzengin.com/matlab-muzik-sentezleme/">Read more &#187;</a></p>]]></description>
			<content:encoded><![CDATA[<a href="http://tarikzengin.com/matlab-muzik-sentezleme/" title="[Matlab] Muzik Sentezleme"></a><p>Aslinda muzik degil de melodi sentezi desek daha dogru olabilirdi. Cep telefonu melodisi yazmak gibi birsey.</p>
<p>Sentezlemeye calisacagimiz melodi pek bir sevdigim Norvec&#8217;li grup Dimmu Borgir&#8217;in 1996 Stormblåst albumundeki Når Sjelen Hentes Til Helvete isimli parcadan. 2005 yilinda Stormblåst albumunu yeni kayitlarla tekrar cikardilar. Fakat klasiklerin yeri ayri <img src='http://tarikzengin.com/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley colorbox-405' /> </p>
<p>Youtube&#8217;da buldugum asagidaki video da tam olarak sentezleyecegimiz melodinin piyano ile icra edilmis versiyonu. Hatta daha fazlasi. Yalnizca ilk kismi sentezlemeye calisacagim.<span id="more-405"></span></p>
<p><iframe title="YouTube video player" class="youtube-player" type="text/html" width="425" height="344" src="http://www.youtube.com/embed/sRU0G72FVEs" frameborder="0" allowFullScreen="true"> </iframe></p>
<p>Oncelikle notalari gozden gecirelim.</p>
<div id="attachment_407" class="wp-caption aligncenter" style="width: 310px"><img class="size-medium wp-image-407 colorbox-405" title="notalar" src="http://www.tarikzengin.com/blog/wp-content/uploads/2009/01/notalar-300x283.png" alt="Når Sjelen Hentes Til Helvete" width="300" height="283" /><p class="wp-caption-text">Når Sjelen Hentes Til Helvete</p></div>

<div class="wp_syntax"><div class="code"><pre class="matlab" style="font-family:monospace;"><span style="color: #0000FF;">clear</span>
<span style="color: #0000FF;">close</span> <span style="color: #0000FF;">all</span>
<span style="color: #228B22;">% 1-2 olculerin notalari</span>
olcu12=<span style="color: #080;">&#91;</span><span style="color:#A020F0;">'E'</span>,<span style="color:#A020F0;">'f'</span>,<span style="color:#A020F0;">'G'</span>,<span style="color:#A020F0;">'f'</span>, <span style="color:#A020F0;">'E'</span><span style="color: #080;">&#93;</span>; <span style="color: #228B22;">% mi fa# sol fa# mi</span>
zaman12=<span style="color: #080;">&#91;</span><span style="color: #33f;">1</span>/<span style="color: #33f;">4</span> <span style="color: #33f;">1</span>/<span style="color: #33f;">8</span> <span style="color: #33f;">1</span>/<span style="color: #33f;">8</span> <span style="color: #33f;">1</span>/<span style="color: #33f;">8</span> <span style="color: #33f;">1</span>/<span style="color: #33f;">8</span><span style="color: #080;">&#93;</span>; <span style="color: #228B22;">% notalarin vurus degerleri</span>
<span style="color: #228B22;">% 3-4 olculerin notalari</span>
olcu34=<span style="color: #080;">&#91;</span><span style="color:#A020F0;">'C'</span>,<span style="color:#A020F0;">'E'</span>,<span style="color:#A020F0;">'F'</span>,<span style="color:#A020F0;">'H'</span>,<span style="color:#A020F0;">'F'</span>,<span style="color:#A020F0;">'E'</span><span style="color: #080;">&#93;</span>; <span style="color: #228B22;">% do mi fa la fa mi</span>
zaman34=<span style="color: #080;">&#91;</span><span style="color: #33f;">1</span>/<span style="color: #33f;">8</span> <span style="color: #33f;">1</span>/<span style="color: #33f;">8</span> <span style="color: #33f;">1</span>/<span style="color: #33f;">8</span> <span style="color: #33f;">1</span>/<span style="color: #33f;">8</span> <span style="color: #33f;">1</span>/<span style="color: #33f;">8</span> <span style="color: #33f;">1</span>/<span style="color: #33f;">8</span><span style="color: #080;">&#93;</span>; <span style="color: #228B22;">% notalarin vurus degerleri</span>
<span style="color: #228B22;">% 5-6 olculerin notalari</span>
olcu56=<span style="color: #080;">&#91;</span><span style="color:#A020F0;">'A'</span>,<span style="color:#A020F0;">'A'</span>,<span style="color:#A020F0;">'J'</span>,<span style="color:#A020F0;">'H'</span>,<span style="color:#A020F0;">'J'</span>,<span style="color:#A020F0;">'H'</span><span style="color: #080;">&#93;</span>; <span style="color: #228B22;">% la la do la do la</span>
zaman56=<span style="color: #080;">&#91;</span><span style="color: #33f;">1</span>/<span style="color: #33f;">8</span> <span style="color: #33f;">1</span>/<span style="color: #33f;">8</span> <span style="color: #33f;">1</span>/<span style="color: #33f;">8</span> <span style="color: #33f;">1</span>/<span style="color: #33f;">8</span> <span style="color: #33f;">1</span>/<span style="color: #33f;">8</span> <span style="color: #33f;">1</span>/<span style="color: #33f;">8</span><span style="color: #080;">&#93;</span>; <span style="color: #228B22;">% notalarin vurus degerleri</span>
<span style="color: #228B22;">% 7-8 olculerin notalari</span>
olcu78=<span style="color: #080;">&#91;</span><span style="color:#A020F0;">'D'</span>,<span style="color:#A020F0;">'f'</span>,<span style="color:#A020F0;">'G'</span>,<span style="color:#A020F0;">'I'</span>,<span style="color:#A020F0;">'G'</span>,<span style="color:#A020F0;">'f'</span><span style="color: #080;">&#93;</span>; <span style="color: #228B22;">% re fa# sol si sol fa#</span>
zaman78=<span style="color: #080;">&#91;</span><span style="color: #33f;">1</span>/<span style="color: #33f;">8</span> <span style="color: #33f;">1</span>/<span style="color: #33f;">8</span> <span style="color: #33f;">1</span>/<span style="color: #33f;">8</span> <span style="color: #33f;">1</span>/<span style="color: #33f;">8</span> <span style="color: #33f;">1</span>/<span style="color: #33f;">8</span> <span style="color: #33f;">1</span>/<span style="color: #33f;">8</span><span style="color: #080;">&#93;</span>; <span style="color: #228B22;">% notalarin vurus degerleri</span>
zaman90=<span style="color: #080;">&#91;</span><span style="color: #33f;">1</span>/<span style="color: #33f;">4</span> <span style="color: #33f;">1</span>/<span style="color: #33f;">4</span> <span style="color: #33f;">1</span>/<span style="color: #33f;">4</span> <span style="color: #33f;">1</span>/<span style="color: #33f;">2</span> <span style="color: #33f;">1</span>/<span style="color: #33f;">2</span> <span style="color: #33f;">1</span><span style="color: #080;">&#93;</span>; <span style="color: #228B22;">% notalarin vurus degerleri</span>
<span style="color: #228B22;">% zaman90 parca biterken yavaslayan kisim icin gecerli.</span>
<span style="color: #228B22;">%vurus degerleri artarak bitiyor.</span>
&nbsp;
<span style="color: #228B22;">%% matris boyutlari</span>
boyut=<span style="color: #33f;">16384</span>;
aaa=<span style="color: #33f;">1</span>:boyut/<span style="color: #33f;">4</span>; <span style="color: #228B22;">% 1/4 vuruslu notalar icin geri donen</span>
<span style="color: #228B22;">% fonksiyon degerinin saklanacagi matris boyutu</span>
aa=<span style="color: #33f;">1</span>:boyut/<span style="color: #33f;">8</span>;  <span style="color: #228B22;">% 1/8 vuruslu notalar icin matris (ilk olcu)</span>
bb=<span style="color: #33f;">1</span>:boyut/<span style="color: #33f;">8</span>;  <span style="color: #228B22;">% 1/8 vuruslu notalar icin matris (ikinci olcu)</span>
cc=<span style="color: #33f;">1</span>:boyut/<span style="color: #33f;">8</span>;  <span style="color: #228B22;">% 1/8 vuruslu notalar icin matris (ucuncu olcu)</span>
dd=<span style="color: #33f;">1</span>:boyut/<span style="color: #33f;">8</span>;  <span style="color: #228B22;">% 1/8 vuruslu notalar icin matris (dorduncu olcu)</span>
<span style="color: #228B22;">%</span>
sona=<span style="color: #33f;">1</span>:boyut/<span style="color: #33f;">4</span>; <span style="color: #228B22;">% parca bitisindeki yavaslayan kisim icin matris (1/4)</span>
sonb=<span style="color: #33f;">1</span>:boyut/<span style="color: #33f;">4</span>; <span style="color: #228B22;">% parca bitisindeki yavaslayan kisim icin matris (1/4)</span>
sonc=<span style="color: #33f;">1</span>:boyut/<span style="color: #33f;">4</span>; <span style="color: #228B22;">% parca bitisindeki yavaslayan kisim icin matris (1/4)</span>
sond=<span style="color: #33f;">1</span>:boyut/<span style="color: #33f;">2</span>; <span style="color: #228B22;">% parca bitisindeki yavaslayan kisim icin matris (1/2)</span>
sone=<span style="color: #33f;">1</span>:boyut/<span style="color: #33f;">2</span>; <span style="color: #228B22;">% parca bitisindeki yavaslayan kisim icin matris (1/2)</span>
sonf=<span style="color: #33f;">1</span>:boyut; <span style="color: #228B22;">% parca bitisindeki yavaslayan kisim icin matris (1)</span>
&nbsp;
<span style="color: #228B22;">%% olcu 1-2</span>
aaa<span style="color: #080;">&#40;</span><span style="color: #33f;">1</span>,:<span style="color: #080;">&#41;</span>=nota<span style="color: #080;">&#40;</span>olcu12<span style="color: #080;">&#40;</span><span style="color: #33f;">1</span><span style="color: #080;">&#41;</span>,zaman12<span style="color: #080;">&#40;</span><span style="color: #33f;">1</span><span style="color: #080;">&#41;</span><span style="color: #080;">&#41;</span>;
<span style="color: #0000FF;">for</span> z=<span style="color: #33f;">1</span>:<span style="color: #0000FF;">length</span><span style="color: #080;">&#40;</span>zaman12<span style="color: #080;">&#41;</span>-<span style="color: #33f;">1</span>
aa<span style="color: #080;">&#40;</span>z,:<span style="color: #080;">&#41;</span>=nota<span style="color: #080;">&#40;</span>olcu12<span style="color: #080;">&#40;</span>z+<span style="color: #33f;">1</span><span style="color: #080;">&#41;</span>,zaman12<span style="color: #080;">&#40;</span>z+<span style="color: #33f;">1</span><span style="color: #080;">&#41;</span><span style="color: #080;">&#41;</span>;
<span style="color: #0000FF;">end</span>
<span style="color: #228B22;">%% olcu 3-4</span>
<span style="color: #0000FF;">for</span> z=<span style="color: #33f;">1</span>:<span style="color: #0000FF;">length</span><span style="color: #080;">&#40;</span>zaman34<span style="color: #080;">&#41;</span>
bb<span style="color: #080;">&#40;</span>z,:<span style="color: #080;">&#41;</span>=nota<span style="color: #080;">&#40;</span>olcu34<span style="color: #080;">&#40;</span>z<span style="color: #080;">&#41;</span>,zaman34<span style="color: #080;">&#40;</span>z<span style="color: #080;">&#41;</span><span style="color: #080;">&#41;</span>;
<span style="color: #0000FF;">end</span>
<span style="color: #228B22;">%% olcu 5-6</span>
<span style="color: #0000FF;">for</span> z=<span style="color: #33f;">1</span>:<span style="color: #0000FF;">length</span><span style="color: #080;">&#40;</span>zaman56<span style="color: #080;">&#41;</span>
cc<span style="color: #080;">&#40;</span>z,:<span style="color: #080;">&#41;</span>=nota<span style="color: #080;">&#40;</span>olcu56<span style="color: #080;">&#40;</span>z<span style="color: #080;">&#41;</span>,zaman56<span style="color: #080;">&#40;</span>z<span style="color: #080;">&#41;</span><span style="color: #080;">&#41;</span>;
<span style="color: #0000FF;">end</span>
<span style="color: #228B22;">%% olcu 7-8</span>
<span style="color: #0000FF;">for</span> z=<span style="color: #33f;">1</span>:<span style="color: #0000FF;">length</span><span style="color: #080;">&#40;</span>zaman78<span style="color: #080;">&#41;</span>
dd<span style="color: #080;">&#40;</span>z,:<span style="color: #080;">&#41;</span>=nota<span style="color: #080;">&#40;</span>olcu78<span style="color: #080;">&#40;</span>z<span style="color: #080;">&#41;</span>,zaman78<span style="color: #080;">&#40;</span>z<span style="color: #080;">&#41;</span><span style="color: #080;">&#41;</span>;
<span style="color: #0000FF;">end</span>
<span style="color: #228B22;">%% olcu 9-0</span>
sona<span style="color: #080;">&#40;</span><span style="color: #33f;">1</span>,:<span style="color: #080;">&#41;</span>=nota<span style="color: #080;">&#40;</span>olcu78<span style="color: #080;">&#40;</span><span style="color: #33f;">1</span><span style="color: #080;">&#41;</span>,zaman90<span style="color: #080;">&#40;</span><span style="color: #33f;">1</span><span style="color: #080;">&#41;</span><span style="color: #080;">&#41;</span>;
sonb<span style="color: #080;">&#40;</span><span style="color: #33f;">1</span>,:<span style="color: #080;">&#41;</span>=nota<span style="color: #080;">&#40;</span>olcu78<span style="color: #080;">&#40;</span><span style="color: #33f;">2</span><span style="color: #080;">&#41;</span>,zaman90<span style="color: #080;">&#40;</span><span style="color: #33f;">2</span><span style="color: #080;">&#41;</span><span style="color: #080;">&#41;</span>;
sonc<span style="color: #080;">&#40;</span><span style="color: #33f;">1</span>,:<span style="color: #080;">&#41;</span>=nota<span style="color: #080;">&#40;</span>olcu78<span style="color: #080;">&#40;</span><span style="color: #33f;">3</span><span style="color: #080;">&#41;</span>,zaman90<span style="color: #080;">&#40;</span><span style="color: #33f;">3</span><span style="color: #080;">&#41;</span><span style="color: #080;">&#41;</span>;
sond<span style="color: #080;">&#40;</span><span style="color: #33f;">1</span>,:<span style="color: #080;">&#41;</span>=nota<span style="color: #080;">&#40;</span>olcu78<span style="color: #080;">&#40;</span><span style="color: #33f;">4</span><span style="color: #080;">&#41;</span>,zaman90<span style="color: #080;">&#40;</span><span style="color: #33f;">4</span><span style="color: #080;">&#41;</span><span style="color: #080;">&#41;</span>;
sone<span style="color: #080;">&#40;</span><span style="color: #33f;">1</span>,:<span style="color: #080;">&#41;</span>=nota<span style="color: #080;">&#40;</span>olcu78<span style="color: #080;">&#40;</span><span style="color: #33f;">5</span><span style="color: #080;">&#41;</span>,zaman90<span style="color: #080;">&#40;</span><span style="color: #33f;">5</span><span style="color: #080;">&#41;</span><span style="color: #080;">&#41;</span>;
sonf<span style="color: #080;">&#40;</span><span style="color: #33f;">1</span>,:<span style="color: #080;">&#41;</span>=nota<span style="color: #080;">&#40;</span>olcu78<span style="color: #080;">&#40;</span><span style="color: #33f;">6</span><span style="color: #080;">&#41;</span>,zaman90<span style="color: #080;">&#40;</span><span style="color: #33f;">6</span><span style="color: #080;">&#41;</span><span style="color: #080;">&#41;</span>;
&nbsp;
<span style="color: #228B22;">%% tum dizileri arka arkaya diz</span>
xx=<span style="color: #080;">&#91;</span><span style="color: #080;">&#93;</span>;
yy=<span style="color: #080;">&#91;</span><span style="color: #080;">&#93;</span>;
zz=<span style="color: #080;">&#91;</span><span style="color: #080;">&#93;</span>;
ww=<span style="color: #080;">&#91;</span><span style="color: #080;">&#93;</span>;
<span style="color: #0000FF;">for</span> say=<span style="color: #33f;">1</span>:<span style="color: #0000FF;">length</span><span style="color: #080;">&#40;</span>zaman12<span style="color: #080;">&#41;</span>-<span style="color: #33f;">1</span>
xx=<span style="color: #080;">&#91;</span>xx aa<span style="color: #080;">&#40;</span>say,:<span style="color: #080;">&#41;</span><span style="color: #080;">&#93;</span>;
<span style="color: #0000FF;">end</span>
<span style="color: #0000FF;">for</span> say=<span style="color: #33f;">1</span>:<span style="color: #0000FF;">length</span><span style="color: #080;">&#40;</span>zaman34<span style="color: #080;">&#41;</span>
yy=<span style="color: #080;">&#91;</span>yy bb<span style="color: #080;">&#40;</span>say,:<span style="color: #080;">&#41;</span><span style="color: #080;">&#93;</span>;
<span style="color: #0000FF;">end</span>
<span style="color: #0000FF;">for</span> say=<span style="color: #33f;">1</span>:<span style="color: #0000FF;">length</span><span style="color: #080;">&#40;</span>zaman56<span style="color: #080;">&#41;</span>
zz=<span style="color: #080;">&#91;</span>zz cc<span style="color: #080;">&#40;</span>say,:<span style="color: #080;">&#41;</span><span style="color: #080;">&#93;</span>;
<span style="color: #0000FF;">end</span>
<span style="color: #0000FF;">for</span> say=<span style="color: #33f;">1</span>:<span style="color: #0000FF;">length</span><span style="color: #080;">&#40;</span>zaman78<span style="color: #080;">&#41;</span>
ww=<span style="color: #080;">&#91;</span>ww dd<span style="color: #080;">&#40;</span>say,:<span style="color: #080;">&#41;</span><span style="color: #080;">&#93;</span>;
<span style="color: #0000FF;">end</span>
<span style="color: #228B22;">%% dizilerin hepsini cal.</span>
tumdizi=<span style="color: #080;">&#91;</span>aaa xx aaa xx yy yy zz zz ww ww aaa xx aaa xx yy yy zz zz ww sona sonb sonc sond sone sonf<span style="color: #080;">&#93;</span>;
<span style="color: #0000FF;">soundsc</span><span style="color: #080;">&#40;</span>tumdizi,<span style="color: #33f;">11025</span><span style="color: #080;">&#41;</span>;
<span style="color: #228B22;">%bitti :)</span></pre></div></div>

<p>En son kisimda, parcada olmayan bir sekilde yavaslatarak bitirdim <img src='http://tarikzengin.com/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley colorbox-405' />  O da benim yorumum olsun.</p>
<p>Burada kullandigim nota fonksiyonunu da ayri bir dosyada yazdim. O da su sekilde,</p>

<div class="wp_syntax"><div class="code"><pre class="matlab" style="font-family:monospace;"><span style="color: #0000FF;">function</span>  <span style="color: #080;">&#91;</span>a<span style="color: #080;">&#93;</span>=nota<span style="color: #080;">&#40;</span>note,vurus<span style="color: #080;">&#41;</span>
&nbsp;
<span style="color: #0000FF;">switch</span> note
<span style="color: #228B22;">%% native notalar</span>
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'A'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%la</span>
frekans=<span style="color: #33f;">440</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'a'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%la#</span>
frekans=<span style="color: #33f;">466.16</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'B'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%si</span>
frekans=<span style="color: #33f;">493.92</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'C'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%do</span>
frekans=<span style="color: #33f;">523.28</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'c'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%do#</span>
frekans=<span style="color: #33f;">554.40</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'D'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%re</span>
frekans=<span style="color: #33f;">587.36</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'d'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%re#</span>
frekans=<span style="color: #33f;">622.24</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'E'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%mi</span>
frekans=<span style="color: #33f;">659.28</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'F'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%fa</span>
frekans=<span style="color: #33f;">698.48</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'f'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%fa#</span>
frekans=<span style="color: #33f;">740</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'G'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%sol</span>
frekans =<span style="color: #33f;">784</span>;
<span style="color: #228B22;">%% oktav yukari</span>
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'H'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%la</span>
frekans=<span style="color: #33f;">2</span>*<span style="color: #33f;">440</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'h'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%la#</span>
frekans=<span style="color: #33f;">2</span>*<span style="color: #33f;">466.16</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'I'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%si</span>
frekans=<span style="color: #33f;">2</span>*<span style="color: #33f;">493.92</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'J'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%do</span>
frekans=<span style="color: #33f;">2</span>*<span style="color: #33f;">523.28</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'j'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%do#</span>
frekans=<span style="color: #33f;">2</span>*<span style="color: #33f;">554.40</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'K'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%re</span>
frekans=<span style="color: #33f;">2</span>*<span style="color: #33f;">587.36</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'k'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%re#</span>
frekans=<span style="color: #33f;">2</span>*<span style="color: #33f;">622.24</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'L'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%mi</span>
frekans=<span style="color: #33f;">2</span>*<span style="color: #33f;">659.28</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'M'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%fa</span>
frekans=<span style="color: #33f;">2</span>*<span style="color: #33f;">698.48</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'m'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%fa#</span>
frekans=<span style="color: #33f;">2</span>*<span style="color: #33f;">740</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'N'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%sol</span>
frekans=<span style="color: #33f;">2</span>*<span style="color: #33f;">784</span>;
<span style="color: #228B22;">%% oktav asagi</span>
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'O'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%la</span>
frekans=<span style="color: #33f;">440</span>/<span style="color: #33f;">2</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'o'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%la#</span>
frekans=<span style="color: #33f;">466.16</span>/<span style="color: #33f;">2</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'P'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%si</span>
frekans=<span style="color: #33f;">493.92</span>/<span style="color: #33f;">2</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'Q'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%do</span>
frekans=<span style="color: #33f;">523.28</span>/<span style="color: #33f;">2</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'q'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%do#</span>
frekans=<span style="color: #33f;">554.40</span>/<span style="color: #33f;">2</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'R'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%re</span>
frekans=<span style="color: #33f;">587.36</span>/<span style="color: #33f;">2</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'r'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%re#</span>
frekans=<span style="color: #33f;">622.24</span>/<span style="color: #33f;">2</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'S'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%mi</span>
frekans=<span style="color: #33f;">659.28</span>/<span style="color: #33f;">2</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'T'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%fa</span>
frekans=<span style="color: #33f;">698.48</span>/<span style="color: #33f;">2</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'t'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%fa#</span>
frekans=<span style="color: #33f;">740</span>/<span style="color: #33f;">2</span>;
<span style="color: #0000FF;">case</span> <span style="color: #080;">&#123;</span><span style="color:#A020F0;">'U'</span><span style="color: #080;">&#125;</span> <span style="color: #228B22;">%sol</span>
frekans =<span style="color: #33f;">784</span>/<span style="color: #33f;">2</span>;
<span style="color: #228B22;">%% diger durumlar</span>
<span style="color: #0000FF;">otherwise</span>
<span style="color: #0000FF;">disp</span><span style="color: #080;">&#40;</span><span style="color:#A020F0;">'Yok boyle bisey'</span><span style="color: #080;">&#41;</span>
frekans=<span style="color: #33f;">0</span>;
<span style="color: #0000FF;">end</span>
<span style="color: #228B22;">%% Belirlenen frekansda ve vurus suresinde sinus</span>
<span style="color: #228B22;">%  sinyali fonksiyonun cikisina veriliyor.</span>
a=<span style="color: #0000FF;">sin</span><span style="color: #080;">&#40;</span><span style="color: #33f;">2</span>*<span style="color: #0000FF;">pi</span>*frekans*<span style="color: #080;">&#40;</span><span style="color: #33f;">0</span>:<span style="color: #33f;">1</span>/<span style="color: #33f;">16383</span>:vurus<span style="color: #080;">&#41;</span><span style="color: #080;">&#41;</span>;</pre></div></div>

<p>Burada cozemedigim ve aklimi kurcalayan bir soru var. <strong>soundsc</strong> komutu ile tumdizi matrisini sese donustururken kullandigim ornekleme frekansi denedigim farkli bilgisayarlarda farkli sonuclar verdi. Bazisinda 44100 kullandigimda, bazisinda ise buradaki gibi 11025 kullandigimda dogru sonucu verdi. Nedenini cozemedim.</p>
<p>Ayrica kodun yukaridaki kismina ek olarak, olusan matrisin spektogramini da cizdiriyordum. Fakat su anda kullandigim Matlab&#8217;in surumu ile daha once kullandigim arasinda bir uyumsuzluk var. O yuzden bir sorun cikti. O kismi da su sekilde idi,</p>

<div class="wp_syntax"><div class="code"><pre class="matlab" style="font-family:monospace;"><span style="color: #228B22;">%% spektrumlari cizdir</span>
<span style="color: #0000FF;">subplot</span><span style="color: #080;">&#40;</span><span style="color: #33f;">2</span>,<span style="color: #33f;">1</span>,<span style="color: #33f;">1</span><span style="color: #080;">&#41;</span>;
spectogram<span style="color: #080;">&#40;</span>tumdizi,<span style="color: #33f;">1024</span>,<span style="color: #33f;">6950</span>,<span style="color: #33f;">256</span>,<span style="color: #33f;">192</span><span style="color: #080;">&#41;</span>;    <span style="color: #228B22;">% tumdizinin spektrumunu cizdir.</span>
<span style="color: #0000FF;">grid</span> on;
<span style="color: #0000FF;">title</span><span style="color: #080;">&#40;</span><span style="color:#A020F0;">'Yapay Sinyalin Spektrumu'</span><span style="color: #080;">&#41;</span>
<span style="color: #0000FF;">subplot</span><span style="color: #080;">&#40;</span><span style="color: #33f;">2</span>,<span style="color: #33f;">1</span>,<span style="color: #33f;">2</span><span style="color: #080;">&#41;</span>;
wav=<span style="color: #0000FF;">wavread</span><span style="color: #080;">&#40;</span><span style="color:#A020F0;">'sinyal1.wav'</span>,<span style="color: #080;">&#91;</span><span style="color: #33f;">2000</span> <span style="color: #33f;">12000</span><span style="color: #080;">&#93;</span><span style="color: #080;">&#41;</span>;     <span style="color: #228B22;">% gercek sesi import et</span>
spectogram<span style="color: #080;">&#40;</span>wav,<span style="color: #33f;">2048</span>,<span style="color: #33f;">44100</span>,<span style="color: #33f;">1024</span>,<span style="color: #33f;">256</span><span style="color: #080;">&#41;</span>;        <span style="color: #228B22;">% sesin spektrumunu cizdir.</span>
<span style="color: #0000FF;">grid</span> on;
<span style="color: #0000FF;">title</span><span style="color: #080;">&#40;</span><span style="color:#A020F0;">'Gercek Sesin Spektrumu'</span><span style="color: #080;">&#41;</span></pre></div></div>

<p>Sonucta ortaya cikan matrisi de bir wav dosyasina yazdirip</p>
<p><strong>lame girdi.wav cikti.mp3</strong></p>
<p>seklinde basitce mp3&#8242;e donusturdukten sonra burada dinlenebilir hale geldi.</p>
<p><a href="http://www.tarikzengin.com/audio/dimmu.mp3">http://www.tarikzengin.com/audio/dimmu.mp3</a></p>
<p>Sarkinin orijinal hali de burada. Bir ihtimal oldschool black metal sevenler cikabilir <img src='http://tarikzengin.com/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley colorbox-405' />  Once 1996, ardindan da 2005 versiyonu geliyor, tum sevenler icin.</p>
<ul>
<li>00:00 &#8211; 04:30 1996 versiyonu</li>
<li>04:30 &#8211; 09:12 2005 versiyonu</li>
</ul>
<p><iframe title="YouTube video player" class="youtube-player" type="text/html" width="425" height="344" src="http://www.youtube.com/embed/legSvvYphaY" frameborder="0" allowFullScreen="true"> </iframe></p>
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