Octave (interval region): Difference between revisions

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<h2>IMPORTED REVISION FROM WIKISPACES</h2>

This is an imported revision from Wikispaces. The revision metadata is included below for reference:<br>

: This revision was by author [[User:~~spt3125~~|~~spt3125~~]] and made on <tt>2014-06-~~07 16~~:23:28 UTC</tt>.<br>

: This revision was by author [[User:JlMoriart|JlMoriart]] and made on <tt>2014-07-01 19:12:05 UTC</tt>.<br>

: The original revision id was <tt>~~513196538~~</tt>.<br>

: The original revision id was <tt>515385416</tt>.<br>

: The revision comment was: <tt></tt><br>

The revision contents are below, presented both in the original Wikispaces Wikitext format, and in HTML exactly as Wikispaces rendered it.<br>

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<div style="width:100%; max-height:400pt; overflow:auto; background-color:#f8f9fa; border: 1px solid #eaecf0; padding:0em"><pre style="margin:0px;border:none;background:none;word-wrap:break-word;white-space: pre-wrap ! important" class="old-revision-html">[[media type="file" key="jid_2_1_pluck_adu_dr220.mp3" width="240" height="20"]] [[file:xenharmonic/jid_2_1_pluck_adu_dr220.mp3|sound sample]]

The **octave** is one of the most basic [[Gallery of Just Intervals|intervals]] found in musical systems throughout the entire world. It is usually called the "interval of equivalence" because tones separated by an octave are perceived to have the same or similar pitch class to the average human listener. The reason for this ~~phenomena~~ is probably due to the strong region of attraction of low [[harmonic entropy]], or the strong amplitude of the second [[harmonic]] in most harmonic instruments.

The **octave** is one of the most basic [[Gallery of Just Intervals|intervals]] found in musical systems throughout the entire world. It is usually called the "interval of equivalence" because tones separated by an octave are perceived to have the same or similar pitch class to the average human listener. The reason for this phenomenon is probably due to the strong region of attraction of low [[harmonic entropy]], or the strong amplitude of the second [[harmonic]] in most harmonic instruments.

It has a frequency ratio of 2/1 and a size of 1200 [[cent|cents]]. It is used as the standard of (logarithmic) measurement for all intervals, regardless if they are justly tuned or not.

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<div style="width:100%; max-height:400pt; overflow:auto; background-color:#f8f9fa; border: 1px solid #eaecf0; padding:0em"><pre style="margin:0px;border:none;background:none;word-wrap:break-word;width:200%;white-space: pre-wrap ! important" class="old-revision-html"><html><head><title>Octave</title></head><body><embed src="/s/mediaplayer.swf" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" quality="high" width="240" height="20" wmode="transparent" flashvars="file=http%253A%252F%252Fxenharmonic.wikispaces.com%252Ffile%252Fview%252Fjid_2_1_pluck_adu_dr220.mp3?file_extension=mp3&autostart=false&repeat=false&showdigits=true&showfsbutton=false&width=240&height=20"></embed> <a href="http://xenharmonic.wikispaces.com/file/view/jid_2_1_pluck_adu_dr220.mp3/513181686/jid_2_1_pluck_adu_dr220.mp3" onclick="ws.common.trackFileLink('http://xenharmonic.wikispaces.com/file/view/jid_2_1_pluck_adu_dr220.mp3/513181686/jid_2_1_pluck_adu_dr220.mp3');">sound sample</a><br />

<br />

The <strong>octave</strong> is one of the most basic <a class="wiki_link" href="/Gallery%20of%20Just%20Intervals">intervals</a> found in musical systems throughout the entire world. It is usually called the &quot;interval of equivalence&quot; because tones separated by an octave are perceived to have the same or similar pitch class to the average human listener. The reason for this ~~phenomena~~ is probably due to the strong region of attraction of low <a class="wiki_link" href="/harmonic%20entropy">harmonic entropy</a>, or the strong amplitude of the second <a class="wiki_link" href="/harmonic">harmonic</a> in most harmonic instruments.<br />

The <strong>octave</strong> is one of the most basic <a class="wiki_link" href="/Gallery%20of%20Just%20Intervals">intervals</a> found in musical systems throughout the entire world. It is usually called the &quot;interval of equivalence&quot; because tones separated by an octave are perceived to have the same or similar pitch class to the average human listener. The reason for this phenomenon is probably due to the strong region of attraction of low <a class="wiki_link" href="/harmonic%20entropy">harmonic entropy</a>, or the strong amplitude of the second <a class="wiki_link" href="/harmonic">harmonic</a> in most harmonic instruments.<br />

<br />

It has a frequency ratio of 2/1 and a size of 1200 <a class="wiki_link" href="/cent">cents</a>. It is used as the standard of (logarithmic) measurement for all intervals, regardless if they are justly tuned or not.<br />

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 <h2>IMPORTED REVISION FROM WIKISPACES</h2>
 This is an imported revision from Wikispaces. The revision metadata is included below for reference:<br>
-: This revision was by author [[User:spt3125|spt3125]] and made on <tt>2014-06-07 16:23:28 UTC</tt>.<br>
+: This revision was by author [[User:JlMoriart|JlMoriart]] and made on <tt>2014-07-01 19:12:05 UTC</tt>.<br>
-: The original revision id was <tt>513196538</tt>.<br>
+: The original revision id was <tt>515385416</tt>.<br>
 : The revision comment was: <tt></tt><br>
 The revision contents are below, presented both in the original Wikispaces Wikitext format, and in HTML exactly as Wikispaces rendered it.<br>
@@ Line 8: / Line 8: @@
 <div style="width:100%; max-height:400pt; overflow:auto; background-color:#f8f9fa; border: 1px solid #eaecf0; padding:0em"><pre style="margin:0px;border:none;background:none;word-wrap:break-word;white-space: pre-wrap ! important" class="old-revision-html">[[media type="file" key="jid_2_1_pluck_adu_dr220.mp3" width="240" height="20"]] [[file:xenharmonic/jid_2_1_pluck_adu_dr220.mp3|sound sample]]
-The **octave** is one of the most basic [[Gallery of Just Intervals|intervals]] found in musical systems throughout the entire world. It is usually called the "interval of equivalence" because tones separated by an octave are perceived to have the same or similar pitch class to the average human listener. The reason for this phenomena is probably due to the strong region of attraction of low [[harmonic entropy]], or the strong amplitude of the second [[harmonic]] in most harmonic instruments.
+The **octave** is one of the most basic [[Gallery of Just Intervals|intervals]] found in musical systems throughout the entire world. It is usually called the "interval of equivalence" because tones separated by an octave are perceived to have the same or similar pitch class to the average human listener. The reason for this phenomenon is probably due to the strong region of attraction of low [[harmonic entropy]], or the strong amplitude of the second [[harmonic]] in most harmonic instruments.
 It has a frequency ratio of 2/1 and a size of 1200 [[cent|cents]]. It is used as the standard of (logarithmic) measurement for all intervals, regardless if they are justly tuned or not.
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 <div style="width:100%; max-height:400pt; overflow:auto; background-color:#f8f9fa; border: 1px solid #eaecf0; padding:0em"><pre style="margin:0px;border:none;background:none;word-wrap:break-word;width:200%;white-space: pre-wrap ! important" class="old-revision-html">&lt;html&gt;&lt;head&gt;&lt;title&gt;Octave&lt;/title&gt;&lt;/head&gt;&lt;body&gt;&lt;!-- ws:start:WikiTextMediaRule:0:&amp;lt;img src=&amp;quot;http://www.wikispaces.com/site/embedthumbnail/file-audio/jid_2_1_pluck_adu_dr220.mp3?h=20&amp;amp;w=240&amp;quot; class=&amp;quot;WikiMedia WikiMediaFile&amp;quot; id=&amp;quot;wikitext@@media@@type=&amp;amp;quot;file&amp;amp;quot; key=&amp;amp;quot;jid_2_1_pluck_adu_dr220.mp3&amp;amp;quot; width=&amp;amp;quot;240&amp;amp;quot; height=&amp;amp;quot;20&amp;amp;quot;&amp;quot; title=&amp;quot;Local Media File&amp;quot;height=&amp;quot;20&amp;quot; width=&amp;quot;240&amp;quot;/&amp;gt; --&gt;&lt;embed src="/s/mediaplayer.swf" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" quality="high" width="240" height="20" wmode="transparent" flashvars="file=http%253A%252F%252Fxenharmonic.wikispaces.com%252Ffile%252Fview%252Fjid_2_1_pluck_adu_dr220.mp3?file_extension=mp3&amp;autostart=false&amp;repeat=false&amp;showdigits=true&amp;showfsbutton=false&amp;width=240&amp;height=20"&gt;&lt;/embed&gt;&lt;!-- ws:end:WikiTextMediaRule:0 --&gt; &lt;a href="http://xenharmonic.wikispaces.com/file/view/jid_2_1_pluck_adu_dr220.mp3/513181686/jid_2_1_pluck_adu_dr220.mp3" onclick="ws.common.trackFileLink('http://xenharmonic.wikispaces.com/file/view/jid_2_1_pluck_adu_dr220.mp3/513181686/jid_2_1_pluck_adu_dr220.mp3');"&gt;sound sample&lt;/a&gt;&lt;br /&gt;
 &lt;br /&gt;
-The &lt;strong&gt;octave&lt;/strong&gt; is one of the most basic &lt;a class="wiki_link" href="/Gallery%20of%20Just%20Intervals"&gt;intervals&lt;/a&gt; found in musical systems throughout the entire world. It is usually called the &amp;quot;interval of equivalence&amp;quot; because tones separated by an octave are perceived to have the same or similar pitch class to the average human listener. The reason for this phenomena is probably due to the strong region of attraction of low &lt;a class="wiki_link" href="/harmonic%20entropy"&gt;harmonic entropy&lt;/a&gt;, or the strong amplitude of the second &lt;a class="wiki_link" href="/harmonic"&gt;harmonic&lt;/a&gt; in most harmonic instruments.&lt;br /&gt;
+The &lt;strong&gt;octave&lt;/strong&gt; is one of the most basic &lt;a class="wiki_link" href="/Gallery%20of%20Just%20Intervals"&gt;intervals&lt;/a&gt; found in musical systems throughout the entire world. It is usually called the &amp;quot;interval of equivalence&amp;quot; because tones separated by an octave are perceived to have the same or similar pitch class to the average human listener. The reason for this phenomenon is probably due to the strong region of attraction of low &lt;a class="wiki_link" href="/harmonic%20entropy"&gt;harmonic entropy&lt;/a&gt;, or the strong amplitude of the second &lt;a class="wiki_link" href="/harmonic"&gt;harmonic&lt;/a&gt; in most harmonic instruments.&lt;br /&gt;
 &lt;br /&gt;
 It has a frequency ratio of 2/1 and a size of 1200 &lt;a class="wiki_link" href="/cent"&gt;cents&lt;/a&gt;. It is used as the standard of (logarithmic) measurement for all intervals, regardless if they are justly tuned or not.&lt;br /&gt;