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发表于 2004-1-15 12:50:10
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TruBass Audio Enhancement Processor
1. Overview
The AP8111 is a bass enhancement processor based on SRS Lab, Inc.’s patented TruBass technology.TruBass enhances bass performance by utilizing proprietary psychoacoustic techniques. These techniques restore the perception of fundamental low frequency tone by utilizing the harmonics present in the original audio source to recreate the low bass frequency information – even if this information is below the speaker or headphones low frequency limitations. TruBass therefore delivers the perception of deep rich bass up to an
octave below the physical low frequency limitations of small, medium or large speakers or headphones. Deep bass now becomes possible even through speakers with limitations in driver and cabinet design. For systems with a subwoofer, TruBass complements and enhances bass performance.
The AP8111 is the latest designed of TruBass to take care both normal speaker size and very small speakers.This chip affords manufacturers of very small speaker products such as LCD monitor or PDA the opportunity to provide the same impressive stereo and bass performance as larger speakers, while enabling the manufacturers to keep their overall products and speakers smaller in size.
AP8111 is therefore most suitable for applications that use small size speakers yet need to deliver the best audio quality or home theatre effect: Mini or Micro Stereo Sound Systems, TV, CD, Boombox, Car Audio, DVD Receiver, Set-Top-Box, LCD TV & monitor, PDA and other compact hi-fi systems such as Discman, MD, MP3 player, as well as PCs. |
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