Talk:Digital waveguide synthesis

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Untitled edit

Latest comment: 14 years ago2 comments2 people in discussion

This article makes absolutely NO sence to me at all. I think that the purpose of writting is to clearify, not to obscure with fancy scientific theorems and 'gobbeldy-goog'. If you are someone who can decrypt this confusing article and translate it into plain english, PLEASE help.

It's not clear to me what the difference between a "right-going" and a "left-going" wave is. Snottywong 12:34, 4 May 2007 (UTC)Reply

At the risk of sounding facetious, one wave travels to the right, whilst the other travels to the left. Think about (or even try) two people (call them L and R) standing a few metres apart, with each holding the ends of a rope. If the person L flicks his/her hand, you will see a wave in the rope travelling towards person R. If R flicks his/her hand, you will see a wave in the rope travelling towards person L. Hence, waves can travel in either direction along the rope. What is more interesting is that if L and R flick at the same time, two pulses will travel in opposite directions; when they meet in the middle, they actually pass through each other and keep on going: the effect of two pulses is the same as the effect of the individual pulses added together (this is called linear superposition). 62.7.80.66 (talk) 09:15, 11 February 2010 (UTC)Reply

Patent rights edit

Latest comment: 4 years ago3 comments3 people in discussion

The article says:

Stanford University owns the patent rights for digital waveguide synthesis and signed an agreement in 1989 to develop the technology with Yamaha.

Wouldn't a patent that existed in 1989 have expired by now? --Zundark (talk) 16:52, 18 June 2010 (UTC)Reply

Yes. Pretty much all of the original waveguide synthesis patents have now expired, beginning in the early-mid 2010's. Why the US Patent Office continues to refuse to calculate expiration dates is simply beyond my comprehension. — Preceding unsigned comment added by Looneybunny (talk • contribs) 05:12, 16 November 2019 (UTC)Reply

Many of the patents associated with the Yamaha VL implementation is signed by Toshifumi Kunimoto (from Yamaha K-Labs) as the inventor. Here is one from 1996 and here is a list of related works MX44 (talk) 18:09, 3 August 2010 (UTC)Reply

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