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"ripping" LP's, how?
Woodinville
post Sep 15 2005, 20:35
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( I think this is the right forum, I'm trying, at least, to get this right. )

Like some other old folks here, I have a lot of LP's that I would like to move over to my computer.

There are several issues.
First, it has to happen in real time, no faster. This is quite profoundly annoying.
Second, I'd like to be able to get things like album art, etc, by entering the catalog number or something like that, or searching CD databases, perhaps, for the info, although often tracks are different, moved, or present/missing.
Third, I'd like to process the stuff on the fly, using the sound card's analog level adjustment to keep me in a decent dynamic range, but providing some space for overloads.
Fourth, I'd like to be able to run things like de-clicking, de-noising, etc.
Fifth, I'd like to stuff that all into .wma Q90

Does anybody make anything like this?

You may assume I own:
A good turntable
A good record cleaner
A good cartridge and stylus
A good phono preamp/general preamp

So I can get line level signals that are properly equalized into my sound card, in fact using balanced lines so that I can even get some noise rejection.


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J. D. (jj) Johnston
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AndyH-ha
post Sep 22 2005, 23:31
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cda is simply the extension Windows puts on the files (as with .zip or .wav). Therse are not native Windows files because the internal constructin is not similar to most computer data. Window's needs special drivers to read and reconstruct what is written on audio CDs. This is Digital Audio Extraction. Audio tracks can have indexes but that is not an essential part of them. Generally they do not.

Extracting from audio CD can be bit perfect or not. There are always errors when reading from optical disks (probably the same can also be said about reading from magnetic media) There are different kinds of errors and different severities or error. The majority can be corrected 100% with the built in error correction facilities but this is never guaranteed.

Because of the overall needs, especially considering that the disks were designed to be played by consumer audio equipment, not computers, error correction is different from, and not quite as good as, that on those media designed specifically for computer data. Errors can be many and sometime not correctable, but the disks will still produce some kind of music for you. Thus, it is possible for the extraction from CD-R to be significantly different than the original.

I have made a number of tests, writing audio tracks to CD-R, extracting them, then comparing the extractions to the original files on my hard drove. This is a very critical test. If the files are aligned off by only one bit at the beginning, the result isn't even similar.

My extraction tests were all bit perfect. I am sure there were read errors during the extraction but they were all handled in the normal course of things and correction was 100%, resulting in no loss or change. As said before, this is never guaranteed.

I always also back up my LP transfers as data. They are still being written to optical disk but as data, contradistinguished from audio, which has different, and better, error correction.

TY blanks have a very good reputation. There are many opinions about 'best.' Some preliminary test by a federal group to establish standards for federal data storage found the best results (in regard to the factors they tested, of course) to come with particular dyes and on a real gold background. The same dye on other substrate was still more durable than other dyes, but nowhere near as much so as when on gold. TY may make some gold backed disks, I don't know, but they use a different dye.

Kodak was one of several manufactures who made such blanks but Kodak stopped manufacturer a few years ago. Mitsui was another but they are now owned by MAM-A. This company still makes that type of blank and I've never seen any complaints about their product quality. The same dye is also used on silver or aluminum, but apparently gold's great resistence to corrosion figured into the test's results. Gold disks cost twice as much (or more).

This post has been edited by AndyH-ha: Sep 22 2005, 23:33
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Posts in this topic
- Woodinville   "ripping" LP's   Sep 15 2005, 20:35
- - skelly831   Audiograbber mentions Line-In recording as a featu...   Sep 15 2005, 21:52
- - Axon   It is very hard to run a rip faster than realtime....   Sep 15 2005, 22:02
- - AndyH-ha   There exist a number of sites with album art that ...   Sep 15 2005, 23:00
|- - Woodinville   QUOTE (AndyH-ha @ Sep 15 2005, 02:00 PM)...   Sep 15 2005, 23:41
- - AndyH-ha   It is true that a good 16 bit DAC will capture all...   Sep 16 2005, 00:35
|- - Woodinville   QUOTE (AndyH-ha @ Sep 15 2005, 03:35 PM)...   Sep 16 2005, 06:40
- - boojum   Stylus weights: usually magnetics tracked at 1 gr...   Sep 16 2005, 01:39
|- - Woodinville   QUOTE (boojum @ Sep 15 2005, 04:39 PM)Stylus ...   Sep 16 2005, 06:43
- - Axon   It's not the end of the world if all you can r...   Sep 16 2005, 02:27
- - boojum   QUOTE (Axon @ Sep 15 2005, 05:27 PM)as vinyl ...   Sep 16 2005, 05:27
|- - Woodinville   QUOTE (boojum @ Sep 15 2005, 08:27 PM)QUOTE (...   Sep 16 2005, 06:44
- - Axon   The Cardas Sweep Record has sweeps to 30Khz. Altho...   Sep 16 2005, 05:34
- - AndyH-ha   You want a recommendation for recording software? ...   Sep 16 2005, 08:51
|- - cliveb   Well, there have been lots of replies in this thre...   Sep 16 2005, 10:04
|- - Woodinville   QUOTE (cliveb @ Sep 16 2005, 01:04 AM)Well, t...   Sep 17 2005, 11:50
- - AndyH-ha   To keep thing truthful, I looked at my miscellaneo...   Sep 16 2005, 09:45
- - toot   Does it make sense to do a normalise on the record...   Sep 16 2005, 10:21
|- - Garf   QUOTE (toot @ Sep 16 2005, 11:21 AM)Does it m...   Sep 16 2005, 10:23
- - AndyH-ha   One general reason for normalizing is to make opti...   Sep 16 2005, 11:32
|- - cliveb   QUOTE (AndyH-ha @ Sep 16 2005, 11:32 AM)...   Sep 16 2005, 12:03
- - AndyH-ha   Of course the recording's noise is amplified b...   Sep 16 2005, 22:12
|- - legg   QUOTE (AndyH-ha @ Sep 16 2005, 04:12 PM)...   Sep 18 2005, 22:54
|- - krabapple   QUOTE (AndyH-ha @ Sep 16 2005, 01:12 PM)...   Sep 20 2005, 17:57
- - slangtruth   And while cliveb rightly won't mention it. as ...   Sep 16 2005, 22:20
- - Axon   One criticism of the "LPs only have 70db of d...   Sep 16 2005, 22:31
|- - Woodinville   QUOTE (Axon @ Sep 16 2005, 01:31 PM)One criti...   Sep 17 2005, 11:59
|- - Axon   QUOTE (Woodinville @ Sep 17 2005, 05:59 AM)We...   Sep 17 2005, 19:53
|- - cliveb   QUOTE (Axon @ Sep 17 2005, 07:53 PM)I just ge...   Sep 18 2005, 13:48
|- - Woodinville   QUOTE (Axon @ Sep 17 2005, 10:53 AM)QUOTE Now...   Sep 19 2005, 05:15
- - AndyH-ha   QUOTE would be to try recording the end of Neptune...   Sep 18 2005, 22:01
|- - cliveb   QUOTE (AndyH-ha @ Sep 18 2005, 10:01 PM)...   Sep 19 2005, 09:21
- - Axon   I'd like to interject here to say that so far,...   Sep 18 2005, 22:14
- - AndyH-ha   Unless I missed it, there has not been any discuss...   Sep 19 2005, 02:28
|- - Woodinville   QUOTE (AndyH-ha @ Sep 18 2005, 05:28 PM)...   Sep 19 2005, 05:17
- - AndyH-ha   Since I don't do anything in fixed point, none...   Sep 19 2005, 07:53
- - AndyH-ha   I think yes, if there is some difference to be hea...   Sep 19 2005, 11:25
- - DonP   One thing I didn't see mentioned about normali...   Sep 19 2005, 12:08
|- - Woodinville   QUOTE (DonP @ Sep 19 2005, 03:08 AM)One thing...   Sep 19 2005, 17:55
- - Axon   What filter settings are recommended for a rumble ...   Sep 19 2005, 19:55
|- - Woodinville   QUOTE (Axon @ Sep 19 2005, 10:55 AM)What filt...   Sep 20 2005, 21:22
- - Axon   EDIT: Got confused by my waveform plots. There is ...   Sep 19 2005, 23:14
|- - Woodinville   QUOTE (Axon @ Sep 19 2005, 02:14 PM)EDIT: Got...   Sep 20 2005, 21:24
|- - Axon   QUOTE (Woodinville @ Sep 20 2005, 03:24 PM)QU...   Sep 20 2005, 22:30
|- - Woodinville   QUOTE (Axon @ Sep 20 2005, 01:30 PM)An honest...   Sep 21 2005, 04:20
- - AndyH-ha   There are a number of filters in CoolEdit that can...   Sep 20 2005, 04:56
|- - Woodinville   QUOTE (AndyH-ha @ Sep 19 2005, 07:56 PM)...   Sep 20 2005, 21:25
- - AndyH-ha   Just curious. Ripping is a term often applied to d...   Sep 21 2005, 02:12
- - NogginJ   something tells me autechre werent using mics and/...   Sep 22 2005, 15:28
|- - cliveb   QUOTE (NogginJ @ Sep 22 2005, 03:28 PM)im usi...   Sep 23 2005, 11:20
- - AndyH-ha   Writing your recordings to CD-R does not involve a...   Sep 22 2005, 19:31
- - NogginJ   amen to all that. but any insight onto this ...   Sep 22 2005, 22:32
- - AndyH-ha   cda is simply the extension Windows puts on the fi...   Sep 22 2005, 23:31
- - Axon   About the only thing that I would find unnatural t...   Sep 23 2005, 11:44
- - hujay   Ripping seems to have changed it's meaning sli...   Sep 23 2005, 13:08
- - landy   i have tried to get feedback on my vinyl rips befo...   Sep 23 2005, 14:21
|- - Pio2001   QUOTE (landy @ Sep 23 2005, 03:21 PM)A1 - DJ ...   Sep 25 2005, 14:39
- - Axon   I do hear some clicking in that but it only seems ...   Sep 23 2005, 19:29
- - AndyH-ha   specific words for specific things makes for less ...   Sep 23 2005, 20:15
- - AndyH-ha   Unless Iím missing something, these recording samp...   Sep 23 2005, 21:06
- - Axon   Uh.... 7-zip? RAR support is generally available f...   Sep 23 2005, 22:17
- - landy   i used store mode so no extra compression was done...   Sep 24 2005, 01:13
- - AndyH-ha   It isn't clear to me what kind of feedback you...   Sep 24 2005, 01:53
- - landy   thanks for the reply andy and axon, i did mean to ...   Sep 24 2005, 05:01
- - AndyH-ha   Cartridges do differ but whether or not a more exp...   Sep 24 2005, 23:36
- - Axon   FWIW, apparantly the common term in some circles f...   Sep 30 2005, 17:53
- - landy   pio2001 thanks for the feedback, i have a cd versi...   Sep 30 2005, 20:07
- - mixminus1   QUOTE (landy @ Sep 30 2005, 12:07 PM)if anyon...   Sep 30 2005, 20:14


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