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Robotics Developer
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re: Intel invests in Dnote audio for use in ultrabooks
Robotics Developer   5/29/2012 3:44:24 PM
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I was reading this and wondering if Dnote is a new and improved D class amplifier technology. The multi-coil speakers sound interesting, I wonder about the cost and manufacturing aspects though. Given this novel approach, it would seem to make a non-compatible audio system; will this be received well or face resistance due to the non-standard speakers?

GREATTerry
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re: Intel invests in Dnote audio for use in ultrabooks
GREATTerry   5/29/2012 2:49:32 PM
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Cool stuff! Not only save components but also evolve the speaker technology to a new high level! Intel is so smart in funding such technology and of course enjoy including such technology to the computer chipset without building anything analog!

resistion
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re: Intel invests in Dnote audio for use in ultrabooks
resistion   5/29/2012 2:42:45 PM
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It looks like a virtually free license to intel.

agk
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re: Intel invests in Dnote audio for use in ultrabooks
agk   5/29/2012 12:07:12 PM
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A new and novel concept. Dnote do not use a D/A converter and amplifier. The digital signals are processed in a DSP chip and drives multiple coil loud speaker.The loud speaker itself works as a D/A converter. The prototype loud speaker has 8 coils. More details with beautifull pictures are available in the 124,127,129th Audio Engineering Society Convention Paper. Down load link is http://www.trigence.co.jp//Contents/

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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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