David@FrankHarvey said:
Is a cello digital? Is a piano digital? (I'll not go on). You're taking a natural analogue waveform of a purely analogue instrument that can have harmonics way above those that CD produces, and changing it into a series of zeros and ones. Then when you play your CD on your CD player (that has to error correct on the fly), it changes those zeros and ones back into the complex - and it is extremely complex - multi layered end result comprising of hundreds, if not thousands, of frequencies all playing simultaneously. The day that can be done, and done with the same quality as the studio master on a domestic format, is the day that vinyl might die.
Does a digital piano sound exactly like a real piano? No, it doesn't, otherwise no one would buy pianos any more, they'd all be buying electronic keyboards. Or maybe people buy pianos because of the 'retro factor', or because they think its cool?
I'm not saying digital can't "do music". When used well, it does an amazing job.
This is incorrect -- I mean scientifically incorrect -- on a number of levels.
First, sound is NOT analog. Analog hi-fi is a mathematical expression of a physical phenomenon, just like digital is. If you don't believe me, please read this, which explains the science very well:
http://www.st-andrews.ac.uk/~www_pa/Scots_Guide/iandm/pdf/chapter12.pdf
Second, the conversion of digital data by a DAC is perfect. The perfection is not just some idle notion: it's been mathematically demonstrated, and no serious scientist doubts it in the slightest.
Third, the synthesis of e.g. pianos by computers is quite different from the digital recording of the same instruments. Synthesized music uses algorithms to approximate to actual harmonics. It does a pretty good job, but it's far less accurate than the digital recording of same instruments. Consider this: pretty much all the music you listen to now, whether on CD or vinyl, has been recorded digitally. Does that make you feel different about digital?
Matt