GoodSoundClub - Romy the Cat's Audio Site

Didital Things
Topic: Dubbing LP to digital.

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Posted by Romy the Cat on 06-18-2011

I made today an experiment trying to record LP. I know people backup LP to digital for dozens years and claim good results. I do not back up my best records to digital. I have no need – if I have to play a record then I play record. However, there are some recordings that I love a lot and I have them in both formats CD and LP. The CD of cause is inferior but I was wondering if I can make my own WAW file with the same music that have the LP – then I will have my own “better quality CD”. I played a record to my phonostage and outputted it to my A/D at 2x and 4X. As I was listening the result I was disappointed.

My A/D converters(Pasific and Lavry Gold) do a phenomenal job for FM – I see no difference between playing FM life and playing the FM recorded file. However, with LP I did have my recorded file not as interesting as live LP. I need to look into it more as it shall not be this way. I think a good A/D shell be OK for dubbing records, I think I need to look into cabling or something like this…

The cAt

Posted by outopos on 09-07-2011

Hi Romy,
I am new to your site. I have read some of your postings (including other sites) with much gusto.
For the digital LP recording, I am (was) tempted to do the same, but given the fact that I have absolutely no personal experience in digital audio, I am hesitating to realize such an archive.My idea is, to use no RIAA correction for digital recording and play it straight to the A/D of ones choice. The benefits are (from my point of view) , you have a 'direct' copy of the LP and you can use some sort of software RIAA or the phono stage for playback.My wishful thinking was to have some sort of uncorrected DSD stream (Korg,...) to the hard disk for archiving and then create the copies as needed.But reading lots of articles (and thinking) about digital audio, lead me to shift this to the far future.Curious, to know what your outcomes are.
Regards
Outopos
from Vienna, Austria

Posted by Romy the Cat on 09-08-2011

outopos wrote:
Hi Romy,
I am new to your site. I have read some of your postings (including other sites) with much gusto.
For the digital LP recording, I am (was) tempted to do the same, but given the fact that I have absolutely no personal experience in digital audio, I am hesitating to realize such an archive.My idea is, to use no RIAA correction for digital recording and play it straight to the A/D of ones choice. The benefits are (from my point of view) , you have a 'direct' copy of the LP and you can use some sort of software RIAA or the phono stage for playback.My wishful thinking was to have some sort of uncorrected DSD stream (Korg,...) to the hard disk for archiving and then create the copies as needed.But reading lots of articles (and thinking) about digital audio, lead me to shift this to the far future.Curious, to know what your outcomes are.
Regards
Outopos
from Vienna, Austria

Outopos,

If you read my site then you know that stay away from digital crossovers as my fundamental believe is that digital even theoretically is unable to filter properly. Have you heard my slogan “analog can’t delay, digital can’t filter”. The reality is that it is a plagiarism and I took it from one of the most prominent and celebrated digital designer of our times. Unfortunately my own experience with digital filtration and volume controls (which is the same) very much supports this stolen slogan.

Sure you can dub your raw LP to DSD stream and to wait when a good digital filtration will be invented, BTW it will never be on DSD level but it will always be on PCM level. You can also freeze yourself in cryogenics and un-froze in 500 years to be “fresh” when good filtering digital becomes available. I do not think that it EVER become available. BTW, when you un-froze then can you accept a few things from my “to do list”?

Unquestionably the idea of digital RIAA filtration is elegant but I very much doubt that it ever be implemented more than at karaoke level.

Rgs,
Romy the Cat

Posted by xandcg on 02-15-2016

I rather prefer to listen to LPs directly than to a digital backup, but point to have a digital backup (IMHO) is related to be relatively safe in the case of a random destructive event happen. We never know when the house will set in fire, or a truck will enter inside the house, and I am about to move to Lisbon which is very prone to earthquakers:

https://en.wikipedia.org/wiki/1755_Lisbon_earthquake

Indeed I had living there when the one of 2009 happened, an 8 degree one IIRC.

What always had boring me about that were the fact that the usual digital media (CD, HDD, SSD) being ever worse for archive purposes. CD become unreadable after some decades, HDD/SSD would need to checksum with a relatively periodicy, not to say about file system corruptions...

Today I found out about "Ultrium 6" what seems to be the right thing. I do not know a lot about that but I like the fact of some drivers do not have buffers.

http://www.lto.org

The drivers are (very) expensive but the media have a very reasonable price.
The point is to have a second place to store them.

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