Apple Inc.
Stereo and filter control for multi-speaker device

Abstract:

A portable electronic device includes several speakers spaced apart from one another on opposite sides of the device. An audio processor attenuates high frequency portions of a first audio signal and a second audio signal to provide a processed first audio signal and a processed second audio signal. An audio router directs the first audio signal to only a first speaker on a first side of the device, and directs the second audio signal to only a second speaker on a second side of the device. The audio signals may be directed according to an orientation of the device.