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ScratchML draft spec v5 -- with <time> and <position> as <t> and <p>
<sml>
<!--
# SCRATCH MARKUP LANGUAGE, WORKING DRAFT
http://scratchml.com
* version -- minor versions for small changes, major for incompatibilities
* info -- general file metadata: author info, client info etc.
* turntable - hardware metadata
* mixer -- hardware metadata
* audio -- info + raw data for audio recording, or links to external files
* transcription -- turntable markup (TTM)-style notation of fader cuts & record movements
* performance -- actual recorded fader/hand event data
most fields are optional. you can have a performance without a transcription, and vice versa.
no xml attributes are used, to aid in json/xml conversion.
all times are in milliseconds.
todo: pitch, per-channel volume, fader contour
-->
<version>
<major>0</major>
<minor>3</minor>
</version>
<info>
<client>Cutcapture 9000 version 1.1</client> <!-- sml generator -->
<author>
<name>Qbert</name>
<url>http://www.djqbert.com</url>
<location>
<description>San Francisco, CA</description>
<latlon>32.44, 22.34</latlon>
</location>
</author>
<description>Crab/flare combo, 1998</description> <!-- title/commentary -->
<tags>crab, flare, old</tags> <!-- comma-separated keywords -->
<created>2012-07-17T09:24:17Z</created> <!-- ISO-8601 -->
<url>http://scratchml.com/data/340923</url> <!-- added on upload if not present -->
</info>
<audio>
<sample>
<filename>samples/fresh.wav</filename> <!-- can be a local file, or a URL -->
<description></description> <!-- artist + title, break, or sample name -->
<!-- the following are used when working with multiple samples over a set -->
<deck>left</deck> <!-- which turntable -->
<start></start> <!-- when it starts during the performance -->
<stop></stop> <!-- when it stops during the performance -->
</sample>
</audio>
<!-- this is the raw version -->
<performance>
<turntable>
<!--
record movement is stored as a list of floats.
a 15 second performance at 375 Hz samplerate should be ~85KB
a record spinning at 33 1/3 rpm takes 1800 ms to do one rotation
so if you store a maximum of two decimal points, that's 500 samples per degree
which should be more than enough precision.
-->
<deck>left</deck>
<samplerate>375</samplerate> <!-- in samples per second. every 128 samples @ 48KHz = 375 samples/second -->
<data><p>1000.02</p><p>1010.32</p><p>1020.34</p><p>1030.23</p></data>
</turntable>
<mixer>
<fader>
<hamster>true</hamster>
<data>
<!--
0 means the fader is completely to the left
1 means the fader is completely to the right
normally 0 means that you can hear the left turntable
when hamster is true, 0 means you can hear the right turntable
-->
<event>
<time>0</time>
<position>0</position>
</event>
<event>
<time>1736</time>
<position>.5</position>
</event>
<event>
<time>2362</time>
<position>1</position>
</event>
<event>
<time>3034</time>
<position>.5</position>
</event>
</data>
</fader>
</mixer>
</performance>
<!-- this is transcribed version -->
<transcription>
<turntable>
<deck>left</deck>
<!-- there are multiple labelled scratches -->
<scratch>
<name>flare</name>
<curve> <!-- curve: baby, scribble, etc (derivative = 0) -->
<time>0</time>
<position>0</position>
</curve>
<line> <!-- lines: transformer, chirps (derivative = (next-cur)/length) -->
<time>1000</time>
<position>1000</position>
</curve>
</scratch>
</turntable>
<mixer>
<fader>
<!-- move means the fader is cutting in or out -->
<move>
<time>1000</time>
<position>center</position>
</move>
<!-- a click is a very short, temporary move -->
<click>
<time>1500</time>
<position>right</position>
</click>
<!-- a crab is a sequence of evenly spaced clicks -->
<crab>
<position>right</position>
<clicks>3</clicks>
<time>
<start>3000</start>
<end>3400</end>
</time>
</crab>
</fader>
</mixer>
</transcription>
</scratch>
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