Dataset Open Access

MAST rhythm re-annotated subset

Falcão, Felipe; Bozkurt, Baris


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    <subfield code="a">&lt;p&gt;In the work described in the paper &lt;em&gt;&lt;a href="http://archives.ismir.net/ismir2019/paper/000052.pdf"&gt;A dataset of rhythmic pattern reproductions and baseline automatic assessment system&lt;/a&gt;&lt;/em&gt;&lt;a href="https://ismir2019.ewi.tudelft.nl/?q=accepted-papers"&gt;&lt;em&gt;&amp;nbsp;(ISMIR, 2019)&lt;/em&gt;&lt;/a&gt;, Falc&amp;atilde;o et al. applied efforts on annotating a subset of the full &lt;a href="https://zenodo.org/record/2620357#.XKLB39szZuQ"&gt;MAST rhythm&amp;nbsp;dataset&lt;/a&gt; with grades for a subset of performances.&lt;/p&gt;

&lt;p&gt;Out of a&amp;nbsp;total of 1040 student submissions comprised by the original dataset, 80 performances (equally distributed between 20 references)&amp;nbsp;were graded by annotators using a custom annotation tool. During this process annotators could play each&amp;nbsp;&lt;em&gt;(reference, performance)&lt;/em&gt;&amp;nbsp;pair as many times as desired before deciding on&amp;nbsp;one of the available assessments:&amp;nbsp;&lt;em&gt;4-Perfect, 3-Minor errors, 2-Major errors, 1-Completely off.&lt;/em&gt;&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Naming convention&lt;/strong&gt;&lt;/p&gt;

&lt;p&gt;This dataset is a collection of&amp;nbsp;audio files, onset features and&amp;nbsp;user-annotated data. Audio files are stored into the &lt;em&gt;Only Performances&lt;/em&gt; and &lt;em&gt;Only References &lt;/em&gt;folders, together with some extra files containing their original onsets, quantized onsets and scaling parameters&amp;nbsp;(for more information regarding this auxiliary data, please check the paper). An indexed list of files (&lt;em&gt;listreferences &lt;/em&gt;and&lt;em&gt; listperformances&lt;/em&gt;) is also stored in&amp;nbsp;each of these folders in order to allow for mapping between audio files and auxiliary data. Example:&lt;/p&gt;

&lt;ul&gt;
	&lt;li&gt;The 10th line&amp;nbsp;in&amp;nbsp;&lt;em&gt;Only Performances/MAST Onsets [Performances]&amp;nbsp;&lt;/em&gt;contains the pure onsets for the 10th audio file listed in the&amp;nbsp;&lt;em&gt;Only Performances/listperformances&amp;nbsp;&lt;/em&gt;file (&amp;#39;55_rhy2_per138459_pass.wav&amp;#39;)&lt;/li&gt;
&lt;/ul&gt;

&lt;p&gt;Also, in order to check the reference which&amp;nbsp;relates to a specific performance, one must also look for audio file names in the list of files: the &lt;em&gt;i-eth&lt;/em&gt; audio file listed in&amp;nbsp;&lt;em&gt;Only Performances/listperformances&amp;nbsp;&lt;/em&gt;is a specific performance whose reference is defined by&amp;nbsp;the&lt;em&gt; i-eth&lt;/em&gt;&amp;nbsp;line of&amp;nbsp;&lt;em&gt;Only References/listreferences.&amp;nbsp;&lt;/em&gt;Example:&lt;/p&gt;

&lt;ul&gt;
	&lt;li&gt;The 10th audio file listed in&amp;nbsp;&lt;em&gt;Only Performances/listperformances&amp;nbsp;&lt;/em&gt;file (&amp;#39;55_rhy2_per138459_pass.wav&amp;#39;) is a performance whose reference is stored in the 10th line of&amp;nbsp;&lt;em&gt;Only References/listreferences&amp;nbsp;&lt;/em&gt;(55_rhy2_ref162559.wav)&lt;/li&gt;
&lt;/ul&gt;

&lt;p&gt;Such convention is also applied to the folder that contains the annotations (&lt;em&gt;Performances Annotations&lt;/em&gt;). Each one of the&amp;nbsp;&lt;em&gt;annotator_&lt;strong&gt;X&lt;/strong&gt;.txt &lt;/em&gt;file lists the grades assigned by the &lt;em&gt;&lt;strong&gt;X&lt;/strong&gt;-ith&lt;/em&gt; annotator, and the mapping between the assessments and their referred performances is indexed in&amp;nbsp;&lt;em&gt;listfiles.txt&lt;/em&gt;&lt;/p&gt;</subfield>
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