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About ringenesherre

Basic Information

Audio System
Music Server(s):
MacBook Pro
Music Server Operating System:
Mac OS X 10.9 (Mavericks)
Preferred Digital Interface(s):
S/PDIF TosLink
Digital to Analog Converter(s):
Cambridge Audio DacMagic
Loudspeakers:
Genelec 8020B
Interconnects:
generic Toslink cable (optical)
Loudspeaker Cables:
cheap pro-grade XLR cables
Power Cables:
stock cables
Headphones:
Superlux HD668B
Headphone Amplifier(s):
Focusrite Scarlett 2i2
About Me
Location:
Denmark
Occupation:
Professor (Computer Science)

Signature


Home: Apple Macbook Pro 17" --Mini-Toslink--> Cambridge Audio DacMagic --XLR--> 2x Genelec 8020B
Work: Apple Macbook Pro 15" --USB--> Focusrite Scarlett 2i2 --1/4\"--> Superlux HD668B / 2x Genelec 6010A

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Total Posts
Total Posts
346
Posts Per Day
0.18
General Information
Last Activity
02-07-2016 11:25 AM
Join Date
09-11-2011
Referrals
0
Audio System
Music Server(s):
MacBook Pro
Music Server Operating System:
Mac OS X 10.9 (Mavericks)
Preferred Digital Interface(s):
S/PDIF TosLink
Digital to Analog Converter(s):
Cambridge Audio DacMagic
Loudspeakers:
Genelec 8020B
Interconnects:
generic Toslink cable (optical)
Loudspeaker Cables:
cheap pro-grade XLR cables
Power Cables:
stock cables
Headphones:
Superlux HD668B
Headphone Amplifier(s):
Focusrite Scarlett 2i2
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View ringenesherre's Blog

Recent Entries

Jitter in the digital recording-storage-playback chain.

by ringenesherre on 10-05-2015 at 06:41 PM
This blog post sums up the influence of jitter in the recording-storage-playback chain in three simple but sound statements. [Some additional insights and reasoning are given in brackets.]

Note: Statement two rules out systematic differences in the playback of bit identical files due to differences in noise stored along with the information (e.g. through varying strengths of the physical representations of 1s and 0s) when playing from RAM.

1) Jitter during analog to

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Velocity of Propagation at Audio Frequencies

by ringenesherre on 03-29-2012 at 05:40 AM
Starting Point

A commonly stated "scientific" reason for alledged audible differences between (speaker) cables is the fact that electrical signals travel at different speeds for different frequencies.

Background
The characteristics of a cable are often simplified to its impedance (Z), its capicatance (C), and its inductance (L) where Z = sqrt(L/C). This is a simplification of the more complete formula Z = sqrt((R+j*2*pi*f*L)/(G+j*2*pi*f*C)) where R

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