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<div class="moz-cite-prefix">Hi all</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">An Amplitude(time,frequency) plot
should be named Spectrogram. That's the official name for it.<br>
</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix"><font face="Courier New">>mapsound(),
which plots a spectrogram without numerical information</font></div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">I didn't check, but if this is true,
then an improvement as proposed by Federico would be good.<br>
</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">Best regards,</div>
<div class="moz-cite-prefix">Claus</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">On 12-07-2021 11:38, Samuel Gougeon
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:8a548098-50ac-51e8-7522-aff519721f68@free.fr">
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<div class="moz-cite-prefix">Hello Federico,</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">As reported at <a
class="moz-txt-link-freetext"
href="http://bugzilla.scilab.org/16530" moz-do-not-send="true">http://bugzilla.scilab.org/16530</a>
, mapsound() could not really be used.<br>
It has been rewritten in Scilab 6.1.1.<br>
It's help page in PDF is available at <a
class="moz-txt-link-freetext"
href="http://bugzilla.scilab.org/attachment.cgi?id=5178"
moz-do-not-send="true">http://bugzilla.scilab.org/attachment.cgi?id=5178</a></div>
<div class="moz-cite-prefix">To be compared to the last 6.1.0
former version <a class="moz-txt-link-freetext"
href="https://help.scilab.org/docs/6.1.0/fr_FR/mapsound.html"
moz-do-not-send="true">https://help.scilab.org/docs/6.1.0/fr_FR/mapsound.html</a></div>
<div class="moz-cite-prefix"><br>
It could be still improved later with additional suggested
features.</div>
<p>Regards</p>
<div class="moz-cite-prefix">Samuel<br>
<br>
PS : A redirection mechanism to be set in user's preferences has
been implemented in Scilab 6.1.1</div>
<div class="moz-cite-prefix">to automatically redirect help
queries in the help browser toward the most relevant page, as
uman() does.</div>
<div class="moz-cite-prefix">It has been designed first to help
scilab newbies coming from other languages, but can also be used</div>
<div class="moz-cite-prefix">for other common terms.<br>
<div class="moz-cite-prefix">
<div class="moz-cite-prefix">Even if it is not "standard",
mapsound is explicit enough, in the right help section, and
OK to me.</div>
So we could redirect spectrogram to mapsound.<br>
</div>
</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">Le 12/07/2021 à 01:21, Federico
Miyara a écrit :<br>
</div>
<blockquote type="cite"
cite="mid:7861c2b8-cac5-16bd-fca4-0f2089feb970@fceia.unr.edu.ar">
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charset=UTF-8">
<br>
<font face="Courier New">Dear All,<br>
<br>
I noticed there is no spectrogram function in Scilab that
provides both graphic and numerical </font><font
face="Courier New">output. There is a function mapsound(),
which plots a spectrogram without numerical information and
without control over important aspects such has FFT length or
windowing function. By the way, in the field of digital sound
processing the usual name for this is spectrogram, not
mapsound, which is a bit confusing.<br>
<br>
I created a spectrogram() function. Even if it doesn't yet
comply with the recommended style for Scilab functions
(particularly regarding error handling or manual page), I
think it might be useful for some users. I attach the function
and a test script.<br>
<br>
Regards,<br>
<br>
Federico Miyara</font></blockquote>
<br>
<br>
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