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Proposal Code: 1027
Title Sound Beautifier: A compensation approach to sound distortion
Synopsis:
Ultimately, any Hi-Fi system wants to precisely re-produce the original sound of singers or music instruments. A system usually consists of 3 stages, namely, CA player, amplifier and speaker. The approach which everyone takes is that they try to make each stage precise with no signal distortion. This is certainly very costly if it is not impossible. Technically, the precise re-production of the original signal from CD to the speaker requires that each stage has uniform dynamic performance over a very large range of signal size and a wide range of frequency. Since all physical components more or less have nonlinearity and nonlinearity would usually be severe for large signal range and wide frequency range, precise re-production is almost impossible from technical point of view. Therefore, the cost for improving performance in high-end increases exponentially, and it is no surprising that good speakers can cost $100k yet some super-fan buys them to just get that effect and feeling.
I take a totally different approach to this problem and propose to compensate for signal distortion, instead of making a perfect stage. I have got a novel compensation scheme based on system theory and is in process of patenting it. Thus, technical details will not be released here or to the student until the student has been assigned to this project and signed confidentiability agreement. Obviously, there is a huge market for such technology¡¯s application due to huge population with music as their hobby.
Nature: Innovative
Number of Students: 1
正在犹豫选这个还是选微电子方面的
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发表于 2004-5-22 11:49:43
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