1. APIs and Data from C4DM
• Vamp Feature extractor plugins:
Tempo, Key, Beats, Bars, Note Onsets, Audio Alignment ...
• Vamp plugin SDK:
for writing your own plugins or host
• VamPy: Python bindings for Vamp API
• SAWA: Web demonstration of Vamp plugins
• Sonic Annotator: command line Vamp host
• DBTune: SPARQL-endpoints of music related data

2. Vamp plugins
• List of available plugins:
http://vamp-plugins.org/download.html

3. Ecosystem
• A set of tools to mash-
up Content-based
features and data from
the Semantic Web
• Sonic Annotator: a
command line host to
extract Vamp features
from audio

4. VamPy 2.0
• Write Vamp feature extractor plugins in Python

5. Vamp Host Programs
• Sonic Visualiser (cross-platform GUI app)
• Sonic Annotator (command line batch feature extractor)
• Vamp Simple Host (command line tool for testing)
• SAWA (Web application)
• Audacity (Audio editor)

6. SAWA

7. The Music Ontology
• RDF data published using the Music Ontology*
* Source: http://dbtune.org/

8. DBTune
• A set of SPARQL-endpoints exposing music
related data as Linked-data. Examples include:
• Jamendo, Magnetune (labels)
• BBC John Peel sessions
• Last.fm
• MySpace
• MusicBrainz

9. Hack Ideas

10. Hack Ideas
• Does your music sound like your friends’ music?
• Which friend’s iPod should I borrow to get energised/to
cool down? (tempo)
• I’m in a A minor mood today (key)
• Is the music I make depressing? (tempo, key)
• Identify the songs that are part of the same 4-chord
songs, align them, take the verse of one, the chorus of
another and create a new song that should sound great

11. All this and more on the Web
www.isophonics.net/content/
hackday
Come see us,
or chat on irc or twitter:
mathieub georgef sefkik utstikkar