1. Audio Segmentation, Classification, and Retrieval
Princeton Sound Lab
Prof. Perry Cook
George Tzanetakis, PhD ‘02 (CMU)
Ari Lazier, ‘03
Ge Wang, G3
Tom Briggs, G2

2. Roadmap Framework MARSYAS Demos: Smart Sound Editor
Musical Genre Classification
Content-based Query

3. Audio Framework MARSYAS (Tzanetakis, Cook, Lazier) Feature Extraction
Source Segmentation
Content-based Retrieval
Classification
General Approach / Not Domain-specific
Highly Extensible

5. Smart Sound Editor
Automatic Segmentation
Music
Speech
Male
Female …

6. Music Genre Classifiction
Training set: Large corpus of music and speech
How good?
90% speech vs. music
67% correct forced decision on genre
(same agreement as humans)

7. Content-based Query Distance in Multi-Dimensional Feature-space
Navigate Feature-space
Nearest Neighbor / Similarity Retrieval