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Atomic Clocks in Digital Audio

October 4, 2023 @ 6:00 pm - 7:30 pm

The sample clocks driving audio CODECs in digital recording systems have been based on crystal oscillators almost exclusively.  Due to advances in materials and integration, atomic clocks can be deployed with electrical and footprint requirements on the order of integrated circuits.  We investigate the applicability of current atomic clock varieties in controlling CODECs, with jitter performance an important quality factor.  We also investigate the measurement of clock jitter in search of a method to capture anecdotal qualities of jitter in audio applications.

Join us for this live online Zoom co-presentation  with the Colorado section of AES.

Meeting on Zoom here

Meeting ID: 815 4639 5565
Passcode: 717462

Speaker Bios

Duane Wise has developed software for scientific and signal processing applications for over forty years. He earned a BA at the University of Colorado in 1982 and an MS at The Johns Hopkins University in 1990. He is currently researching algorithms for digital audio signal processing and developing digital audio systems and educational materials for a diverse clientele. He is also the founder and president of Wholegrain Digital Systems LLC, a developer of audio signal processing applications. He is a member of the Audio Engineering Society, Cinema Audio Society, NARAS, and Phi Beta Kappa.

Will Krzewick is a principal engineer of product marketing in the frequency and time systems (FTS) business unit at Microchip Technology. He is responsible for managing rubidium oscillators, GNSS disciplined oscillators (GPSDO) and test sets. He also supports numerous atomic clock products and has co-authored several papers on their applications. Previously, Krzewick worked in the defense industry researching and modeling radio frequency (RF) and microwave technology. He earned his Master of Science in Electrical Engineering from Boston University and his Bachelor of Science in Electrical Engineering from the University of Massachusetts-Lowell.

Dr. Jun Ye is a Fellow of JILA, University of Colorado, and a Fellow of the Nattional Institute of Standards and Technology. He is also a member of the National Academy of Sciences, a Fellow of APS, and a Fellow of OSA. His research focuses on the frontiers of light-matter interactions that include precision measurement, quantum science, ultracold matter, and frequency metrology. He has co-authored 380 scientific papers and delivered 600 invited talks. His awards and honors include Breakthrough Prize in Fundamental Physics, Micius Quantum Prize, N.F. Ramsey Prize, I.I. Rabi Award, US Presidential Rank Award, five Gold Medals from the U.S. Commerce Department, Foreign Member of the Chinese Academy of Sciences, Frew Fellow of the Australian Academy of Science, European Frequency and Time Forum Award, Carl Zeiss Award, William F. Meggers Award, Adolph Lomb Medal, Arthur S. Flemming Award, Presidential Early Career Award, Friedrich Wilhem Bessel Award, Samuel Wesley Stratton Award, and a Jacob Rabinow Award.

Details

Date:
October 4, 2023
Time:
6:00 pm - 7:30 pm
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