I've been away on vacation for a while so have only just stumbled across
this thread, but I thought I would stick my oar in...

I've been digitizing LPs since 1994 (yes - that's 1994, not 2004). I'm
probably peculiar in that I find the whole process very interesting,
and it's one of my hobbies. But for people with a life, I'd say there
are only three reasons why you should ever consider digitizing an LP:

1. It's not available on CD.
2. It's available on CD, but costs silly money.
3. It's available on CD, but has been remixed/remastered/otherwise
edited in a manner that degrades the performance. (For example, the CD
release might be hypercompressed so much that the LP actually sounds
better).

That's it. Just now I can't think of any other reason to do it (unless
like me you enjoy the process).

If you do decide to do some LP digitizing, I have a few comments:

1. The most important stage in the process is to get a decent analogue
signal off the LP - what's lost at this stage cannot be recovered in
software. That means cleaning the LP properly (ideally with a vacuum
device), playing it on a decent turntable with a correctly aligned
pickup cartridge and a stylus in good condition, and using a decent
phono preamp.

2. I am unaware of any USB turntable that does what I'd call a "good
job". Of those I've seen, the only one that looks remotely adequate is
the Project Debut USB.

3. None of the USB turntables I've found the specs for mention
user-adjustable gain prior to the A/D converters, so it is impossible
to get the gain staging correct for all LPs. The manufacturer either
has to play very safe and use a low signal level (thus losing
resolution in the converters), or you'll sometimes get clipping in the
converters.

4. There are plenty of free packages that will do basic recording and
editing. Audacity has been mentioned and it's a decent general purpose
audio editor.

5. As far as I am aware, there exist ZERO software packages that are
both free and can do a decent job of cleanup (declicking, decrackling,
etc). If you want to do any kind of "restoration", you will have to
spend some money. Automatic declickers that I've tried and found to
work fairly well are Wave Corrector, Click Repair, the Noise Reduction
2.0 plugin for Sound Forge (which I believe is bundled with Sound Forge
Audio Studio), and the Audio Cleanup plugin for CoolEdit 2000 (which I
believe is bundled with Adobe Audition).

6. Someone mentioned CoolEdit 2000. It's probably the best affordable
audio editor there ever was. But when Adobe bought out Syntrillium,
they dumped it. If you want to download it, you can find links to the
install files on my site here: http://www.delback.co.uk/lp-cdr.htm.
However, you will also need unlock keys, and I cannot distribute those
for obvious reasons (like not wanting Adobe's lawyers to break my
legs). What's now called Abode Audition is what was CoolEdit Pro, and
it costs a lot of money. (It's a superb editor, but way OTT for LP
digitizing).


-- 
cliveb

Transporter -> ATC SCM100A
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