When you put on headphones or listen to loudspeakers today, you are likely tapping into the same underlying technology that was invented in the late 19th century to convert electrical energy into sound.

That's not to say that audio technology isn't slimmer and sleeker, but there hasn't been nearly as much innovation as in video. That's at least the view of GraphAudio, a four-year old startup whose product is based on Nobel Prize-winning technology, which it hopes will bring about the next frontier in audio.

"We want to bring an audiophile experience to the mass market," said chief executive Ramesh Ramchandani, "and become the 'Intel Inside' of audio."

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