Exploring issues relating to the quality of digital audio and video signals.

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 FAQs
Digital Amplifiers Digital Compression Digital Sources

Digital Amplifiers | FAQs

What is a Digital Amplifier ?

Why would you want to listen to a digital amplifier over a plain old linear analog amplifier? What's the difference any way ?

What is a Pure Digital Audio System ?

How do you assemble a Pure Digital Audio System ?

Why should I look for digital outputs on new equipment I buy ?

I just saw a digital amplifier but it only had analog inputs on it how can they call it digital ?

Digital Compression | FAQs

What is Digital Compression ?

What is "CD Quality" ?

Is music that has been compressed by MP3 or AAC or Watermarked still "CD Quality" ?

Why would I want to compress digital audio ?

What is the difference between Lossy and Lossless compression ?

How do I know what a lossy compression process removes from the original ?

Are there any lossless compressors available specifically for digital audio ?

Digital Source Material | FAQs

What is a Digital Output ?

Why Would I Want a Digital Amplifier ?

Can I add a digital output later ?

Are any Digital Satellite Radio receivers equipped with digital outputs ?

Are any MP3 Players equipped with digital outputs ?

Are any automotive CD players equipped with digital outputs ?

Are any audio CD players or changers equipped with digital outputs ?

Are any DVD Players equipped with digital outputs ?

Are any SACD Players equipped with digital outputs ?



Purity | Hardware

D2D    Pure Digital
D2D+  Pure+ Analog
A2D    Hybrid Analog
D2A    Hybrid Analog
A2A    Totally Analog


Formats | Audio

SACD Multichannel
SACD
DVD - A
DVD
CD
AAC
MP3
WMF
QuickTime
DTS
Dolby Digital
RA
MPEG2
MPEG1
LP
45 RPM
Cassette
8Track

Formats | Video

HDTV
DVD
D-VHS
MPEG
DiVX
WMF
QuickTime
Real Video
PAL
NTSC
VHS

Platforms | Software

Windows 32
Windows 3.1
Linux
Unix
Macintosh 68K
Macintosh PPC
Macintosh System X
Java
Perl
   
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