At the point of delivering recorded sounds to listeners, the complex interactions of loudspeakers, rooms, and listeners present many challenges to delivering satisfying listening experiences. In the past the directional and spatial limitations of two-channel stereo led to many creative solutions in both loudspeakers and room design. However, multichannel audio changes the rules and sets new requirements for optimum listening conditions, not all of which are yet understood. Underlying all of this, though, are the basic requirements for timbral accuracy-good sound quality. In this respect there is a need for the recording industry to catch up to the highest standards of consumer audio if the -art- is to be adequately preserved. This presentation is a review of the science of sound reproduction in rooms, with a specific focus on what may be needed in order for our industry to face the challenges of multichannel recording and reproduction.:
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