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Sound Object Classification for Symbolic Audio Mosaicing: A Proof-of-Concept
Title | Sound Object Classification for Symbolic Audio Mosaicing: A Proof-of-Concept |
Publication Type | Conference Paper |
Year of Publication | 2009 |
Conference Name | Sound and Music Computing Conference |
Authors | Janer, J. , Haro G. G. , Roma G. , Fujishima T. , & Kojima N. |
Pagination | 297-302 |
Conference Start Date | 23/07/2009 |
Conference Location | Porto, Portugal. |
ISBN Number | 978-989-95577-6-5 |
Abstract |
Sample-based music composition often involves the task of manually searching appropriate samples from existing audio. Audio mosaicing can be regarded as a way to automatize this process by specifying the desired audio attributes, so that sound snippets that match these attributes are concatenated in a synthesis engine. These attributes are typically derived from a target audio sequence, which might limit the musical control of the user.
In our approach, we replace the target audio sequence by a symbolic sequence constructed with pre-defined sound object categories. These sound objects are extracted by means of automatic classification techniques. Three steps are involved in the sound object extraction process: supervised training, automatic classification and user-assisted selection. Two sound object categories are considered: percussive and noisy. We present an analysis/synthesis framework, where the user explores first a song collection using symbolic concepts to create a set of sound objects. Then, the selected sound objects are used in a performance environment based on a loop-sequencer paradigm. |
preprint/postprint document | files/publications/Janer-Haro-Roma-Fujishima-Kojima-SMC09.pdf |