I was very impressed with the tool Accesive Tools provided for browsing sounds. Soundtorch allows you to preview up to 500 sounds (that is the limit) at the same time which can really boost your creativity when you are in a hurry to come up with a fresh sound design idea. Read more about it here.

Soundtorch lets you browse through your audio collection extremely fast. Just drag your audio files onto the Soundtorch view ― all sounds are immediately arranged in a meaningful way and ready to be auditioned. Soundtorch is driven by the C.A.S.E. (Computer Aided Sound Exploration) engine, a sophisticated suite of algorithms that analyze and intelligently classify your audio collection.

With Soundtorch you can listen to sounds using a virtual torchlight ― all sounds illuminated by the light are played back simultaneously. This allows you to get an overview of literally thousands of sound files in a matter of mere minutes. As you zoom in or focus the light beam, you can still listen to one sound at a time.

Even though Soundtorch plays so many sounds at once, there’s no cacophony. Your mind is powerful enough to easily spot the sound you like. Soundtorch further positions each playing sound on a surround system, or uses advanced surround virtualization when listening with headphones.

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