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	<title>Bark scale - Revision history</title>
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	<updated>2026-04-23T05:41:43Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://glottopedia.org/index.php?title=Bark_scale&amp;diff=5523&amp;oldid=prev</id>
		<title>Luo: from Utrecht Lexicon of Linguistics</title>
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		<updated>2008-03-06T13:29:12Z</updated>

		<summary type="html">&lt;p&gt;from Utrecht Lexicon of Linguistics&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;The human auditory system consists of a series of bandpass filters (filters that have a certain centre frequency and that attenuate signals more the more they deviate from that centre frequency). The bandwidth of these auditory filters increases with higher frequencies and the precision of the frequency perception decreases.&lt;br /&gt;
Taking into account this property of the human auditory system, the '''Bark scale''' is, like the [[semitone scale]] and the [[ERB scale]], a perceptually realistic scale of frequency. &lt;br /&gt;
&lt;br /&gt;
===Comment===&lt;br /&gt;
The following conversion should be applied to transform frequency values (F) into Bark values:&lt;br /&gt;
&lt;br /&gt;
Bark= [ (26.81*F) / (1960+F) ] - 0.53 &lt;br /&gt;
&lt;br /&gt;
===Link===&lt;br /&gt;
[http://www2.let.uu.nl/UiL-OTS/Lexicon/zoek.pl?lemma=Bark+scale&amp;amp;lemmacode=1360 Utrecht Lexicon of Linguistics] &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{{dc}}&lt;br /&gt;
[[Category:Phonetics]]&lt;/div&gt;</summary>
		<author><name>Luo</name></author>
		
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