Abstract
In this paper we present a method to search for environmental sounds in large unstructured databases of user-submitted audio, using a general sound events taxonomy from ecological acoustics. We discuss the use of Support VectorMachines to classify sound recordings according to the taxonomy and describe two use cases for the obtained classificationmodels: a content-based web search interface for a large audio database and a method for segmenting field recordings to assist sound design.
Highlights
Sound designers have traditionally made extensive use of recordings for creating the auditory content of audiovisual productions
We propose the use of a taxonomy motivated by ecological acoustics which attempts to provide a general account of environmental sounds [4]
We study the presence of the studied ecological acoustics taxonomy terms in Freesound (91443 sounds), comparing it to two online-sound-structured databases by different publishers, SoundIdeas (150191 sounds), and Soundsnap (112593 sounds)
Summary
Sound designers have traditionally made extensive use of recordings for creating the auditory content of audiovisual productions. Many of these sound effects come from commercial sound libraries, either in the form of CD/DVD collections or more recently as online databases. Virtual environments based on simulation of physical spaces have become common for socializing and game play. Many of these environments have followed the trend towards user-centered technologies and user-generated content that has emerged on the web. Some programs allow users to create and upload their own 3D models of objects and spaces and sites such as Google 3D Warehouse can be used to find suitable models for these environments
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