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Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it. |
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Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it. |
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In Reply to: Re: How good is the Pioneer "Ligato" DAC chip posted by ehider on July 2, 2006 at 12:18:18:
The death of Legato Link had nothing to do with any technical inferiority. My understanding is that after Wadia patented the application of a spline interpolation algorithm in a digital filter (i.e. "DigiMaster"), Pioneer dropped their own Legato Link filter rather than pay royalties to Wadia. JVC did the same (their near-legendary XL-Z1050TN also employed a spline interpolation filter). This begs the question why didn't the Japanese companies patent the technology themselves before Wadia. I can only speculate that they felt that the use of splines did not pass the sniff test for "non-obviousness", therefore they thought there was not point to patent its use in a digital filter. Who knows for sure?
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Follow Ups
- Re: How good is the Pioneer "Ligato" DAC chip - Oxia 07/4/0616:38:15 07/4/06 (2)
- The death of Legato Link? - Slider 18:01:32 07/4/06 (1)
- Re: The death of Legato Link? - Oxia 18:22:53 07/5/06 (0)
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