The sites catalog all cuts and makes them available for immediate online download.
File format is BWAV (16-bit, 44.1 kHz) or hi-resolution MP3 and includes Soundminer metadata. Files are expected to be compatible with all major DAWs, including Adobe Audition and Digidesign Pro Tools.
Audioarchitecture.com promises more than 18,000 tracks and Imagio has 13,000. Both are updated weekly and offer extensive search options. There are 18 main categories to search in Audio Architecture. Current users of either library may register for free.