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Author Topic: Vanderkooy lecture 7pm Tonight London  (Read 1153 times)

JGreenslade

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Vanderkooy lecture 7pm Tonight London
« on: February 08, 2005, 09:53:32 AM »

Just to remind anyone in the vacinity, John Vanderkooy and the B+W research centre are holding the following lecture tonight:

Taken from: http://www.aes.org/sections/uk/aes.html
Quote:


Sigma-Delta Modulators: 1-bit with Noise Shaping Taken to the Limit

John Vanderkooy, University of Waterloo & B&W Research Centre
1-bit oversampled digital systems have been around for a long time, resolving a number of issues in digital audio. Only relatively recently, however, have they aspired to high-resolution audio in the DSD specification of the Super Audio CD or SACD. PCM approaches such as DVD-Audio compete with these 1-bit methods. This talk presents what we have learned about 1-bit modulators using high-accuracy computer simulation as regards linearity, signal-to-noise, dither behaviour, audio artefacts, and bit efficiency. The performance can be good, but such systems are somewhat wasteful of bits.



This is the one lecture I'd really like to attend, but business commitments have got in the way Sad If any members here manage to get down there, I would be grateful if they could post their observations. Obviously a brief summary will be in the next newsletter, but it would be good to hear the impressions of other attendees.

Cheers,
Justin

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Audio is a vocational affliction

"there is no "homeopathic" effect in bits and bytes." - HansP
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