Technology

Overview to Audio Technologies

• target="_blank">ePanorama
  ePanorama.net - Tomi Engdahl's Electronics Info Pages

Digital Audio

• Basics of Digital Recording
  University of California, Santa Cruz
• Principles of A/D converters
  HeadWize - Dennis Bohn

HDCD

• What is HDCD
  HDCD.com
• What HDCDs are on the market
  HDCD.com

Upsampling

• Oversampling and bitstream methods in audio
  Sampo Syreeni - Cached
• All about upsampling
  DSP Guru
• What is umpsampling
  Article in Finnish
• What does upsampling mean for sound
  Article in Finnish
• Upsampling or oversampling?
  Stereophile

High Resolution Digital Formats

• Redbook vs High Resolution Formats
  Keijo Tanskanen - Highendnews
• Coding of High Quality Digital Audio
  Meridian Audio - pdf
• Why CD is not sufficient for serious audiophiles
  Article in Finnish
• There's life above 20 kHz
  James Boyk
• Inaudible High-Frequency Sounds Affect Brain Activity: Hypersonic Effect
  The Journal of Neurophysiology Vol. 83
• Impact of Ultrasonic for sound quality
  Article in Finnish
• A Suggested Explanation For (Some Of The)Audible Differences Between High Sample Rate and Conventional Sample Rate Audio Material
  DCS Ltd - pdf
• Effects in High Sample Rate Audio Material
  DCS Ltd - pdf

DVD-Audio

• DVD-Audio FAQ
  Digital Audio Guide
• DVD-Audio FAQ in Finnish
  Article in Finnish
• MLP Lossless Compression
  Meridian Audio - pdf
• Recordable DVD-Audio
  High Fidelity Review
• DVD-Audio Titles
  High Fidelity Review

SACD

• SACD FAQ
  Bitwareoz
• SACD FAQ in Finnish
  Article in Finnish
• DSD/SACD Revolution, Part II - Interview of Ed Meitner 
  Positive Feedback  
• Issues in DSD
  Sampo Syreeni - Cached
• Issues in 1-bit DSD
  Audio Asylum
• About DSD resolution
  AudioAsylum/ Rodney Gold
• DSD and signal processing
  opticaldisc-systems.com
• SACD Titles
  Brian Moura

Copy Protection

• Gallery of CSS Descramblers
  Carnegie Mellon University/ School of Computer Science
• SDMI challenge: How to hack SDMI digital watermarks
  Prof. Edward W. Felten
• Distribution of decryption software
  decss.zoy.org
• Download DeCSS
  Google
• More useful links
  humpin.org
• Electronic Frontier Finland
  Electronic Frontier Finland

Multichannel Audio

• What is Ambisonics
  Jyrki Häikiö, Article in Finnish
• The Psychoacoustics of Multichannel Audio/ Bob Stuart
  Meridian Audio - pdf
• Build a High-end Surround Stereo System around a Digital Parametric Equalizer
  Doug Rife, DRA Labs

High Resolution Internet-Audio

• High Resolution Broadcasting over the internet
  AES.org

Amplifiers

• Basic principles about technical term definitions
  Jyrki Häikiö; Article in Finnish

Cables

• What Do You Need to Know about Loudspeaker Cables
  

• Kaiutinkaapeleiden vaikutukset äänentoistojärjestelmässä
  Keijo Tanskanen; Article in Finnish

• The Influences of Speaker Cables in Audio Systems
  Keijo Tanskanen

Loudspeakers

• Cones, Planars & Domes: viewpoints for loudspeaker designs
  John Dunlavy
• Plasma tweeters
  Plasmatweeter.de

Room Acoustics

• Basic Principles of Room Acoustics
  Jarkko Veijalainen; Jarkko Makkonen
• Tube Traps (DIY)
  J.T.Gale
• Speaker positioning and room treatment- online calculator
  Hunecke.de

Testing and perception

• Blind tests - the only truth or just waste of time?
  Stereophile
• PC ABX - methodology for testing audio products
  Arny Kruger  
• Hearing and Vision is closely linked, scientist say
  Stereophile
• Auditory acuity improves through training
  Stereophile