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Re: [ARSCLIST] WHY save as WAV's when Mp3's can do??? (was Podcasting of 78's)
Thank you for the excellent suggestions. Unfortunately, I am not well versed in electronics but I do know some people who are and might be interested in assisting me. My preference of course would be to find an off-the-shelf solution as I prefer not to have any outside dependencies.
Thanks again!
BigC
-----Original Message-----
From: tflists@xxxxxxxxxxxxxxxxxxx
To: ARSCLIST@xxxxxxxxxxxxxxxx
Sent: Fri, 25 Aug 2006 8:52 PM
Subject: Re: [ARSCLIST] WHY save as WAV's when Mp3's can do??? (was Podcasting of 78's)
Hmmm, this is an interesting question. Are you at all handy with electronics? If so, your most direct route might be to find one of those Heath preamps on eBay. You'll need to build a power supply for it (or find a Lambda or comparable power supply). It's got a good choice of turnover and rolloff points.
Plan B would be to use a ceramic cartridge into a line input.
Plan C would be to try a mic preamp, but there might be an unfixable impedence mismatch.
Ya know what I'd try -- If you have something like a Mackie or Soundcraft or even a Behringer mixer, take your phono + (tip of an RCA jack) and put it to pin 2 of a mic input. Take your cartridge - (sleeve of an RCA jack) and put it to pin 3. Take your ground wire from the phono and put it to pin 1, all on a mic input. See what you get. The op-amp mic input stage might be able to deal with cartridge impedence and the cartridge might see enough enough impedence to put out reasonable audio. You might need to load pins 2 and 3 with 47K ohms for the cartridge to function properly (I might be recalling the loading impedence for most magnetic cartridges incorrectly).
In any case, I doubt that would hurt either the mixer or the cartridge and it might give you a simple solution.
-- Tom Fine
----- Original Message ----- From: "Sherwin Cerini" <fanofotr@xxxxxxx>
To: <ARSCLIST@xxxxxxxxxxxxxxxx>
Sent: Friday, August 25, 2006 7:20 PM
Subject: Re: [ARSCLIST] WHY save as WAV's when Mp3's can do??? (was Podcasting of 78's)
> Can you recommend a good, lower priced pre-amp that allows bypassing the RIAA function? I have all > pre-1920 acoustics I need to transfer.
>
> Thank you.
>
> BigC
>
> -----Original Message-----
> From: tflists@xxxxxxxxxxxxxxxxxxx
> To: ARSCLIST@xxxxxxxxxxxxxxxx
> Sent: Thu, 24 Aug 2006 7:21 PM
> Subject: Re: [ARSCLIST] WHY save as WAV's when Mp3's can do??? (was Podcasting of 78's)
>
> Hi Donald:
>
> This is a great summary but I think you should clarify #3 below. Do you mean play into the > computer without a preamp? If so, I disagree. Digi-correction of EQ curves is just not as good as > a good preamp. However, it can do in a pinch. Also, most computer input devices don't have an > analog front end with enough gain for low-level magnetic cartridge output.
>
> Other than that, this is a howto on doing proper disk-to-digital transfers.
>
> -- Tom Fine
>
> ----- Original Message ----- From: "Andes, Donald" <Donald.Andes@xxxxxxxxxx>
> To: <ARSCLIST@xxxxxxxxxxxxxxxx>
> Sent: Thursday, August 24, 2006 2:36 PM
> Subject: [ARSCLIST] WHY save as WAV's when Mp3's can do??? (was Podcasting of 78's)
>
> Regardless of whether this is a preservation project of not, and
> regardless of what bit rate or file format you go to, the process is as
> follows:
>
> 1) The discs should be prepared properly (cleaned) prior to transfer.
> -The time involved here depends on the state of the collection.
>
> 2) The Playback device should be calibrated properly. In this case the
> 78 player should be of good condition, and have the correct stylus for
> the record to be played.
> -The time here again depends on the state of the playback
> device.
>
> ***At this point regardless of what you say to inside the computer, at
> least you know you have the best (within reason) sound you can.
>
> 3) The record should be played back directly into the computer sound
> card at robust enough level without clipping. (Since this is a 78, you
> WON'T need to shoot the moon for a A/D that's $$$.)
> -The fact that this needs to be done real time, depends on
> program length.
>
> 4) The file is recorded in the computer and saved.
> -This happens simultaneously with 3) above, except the "save"
> part which takes seconds.
>
> 5) The files should be edited and correctly labeled.
> -Time here depends on whether you are trimming heads/tails,
> applying processing, and the amount of metadata you collect for each
> file. (This is where preservation projects CAN eat time.)
>
> 6) The files SHOULD BE backed up.
> -This will take time and $ depending on what your plans are, but
> is the only way to safeguard the time and work invested in the steps
> above. (Again, this is where preservation projects CAN eat time.)
>
> 7) Enjoy/Use/Compiled Radio Show with recorded files.
> -Time again depends on what the final output will be.
>
> Since there's so much time/work taken to transfer each record, you might
> as well do it at the best quality (resolution) you can. 78's are mono,
> and don't require "extreme" sample and bit rates, so if you did 16/44.1
> BWF's you'd have something that was very good sounding. As for the
> "prettied up grandparent analogy" you'd only run into that if you sent
> time on 5) doing a lot of audio processing.
>
> The Wav files can be EASILY batch converted down to a variety of formats
> (including Mp3's). If you commit to Mp3's now, and in the future get to
> do your show "on the air" you may be happy you can create a few CD's of
> wav files to play instead of risking the transport of your 78's dealing
> with stylus issues at the station.
>
> There have also been a great deal of posts over the quality of Mp3's.
> They CAN sound great and they CAN sound horrible. After admitting that
> your hearing is hampered, I'd especially choose to save everything as
> Wav files. What happens when you transfer everything to Mp3's that YOU
> think sound good, but you audience cringes over? At least if you have
> the original Wav files you can RE-convert them at a higher bit rate, or
> change the compression scheme.
>
> Last note, I'd worry about them limits of an 80 Gig hard drive, when
> you're down to you're last 10 gigs of free space. You may be surprised
> at how long it takes to get you there. Remember all the steps above need
> to be taken for EACH side transferred.
>
> Don Andes
>
> -Getting started on the right track, is more important then finishing on
> the wrong one, or pondering about the future possibility of a better
> one.
>
> -----Original Message----- > From: Association for Recorded Sound Discussion List
> [mailto:ARSCLIST@xxxxxxx] On Behalf Of David Breneman
> Sent: Thursday, August 24, 2006 8:32 AM
> To: ARSCLIST@xxxxxxxxxxxxxxxx
> Subject: Re: [ARSCLIST] Podcasting--explained a bit...
>
> --- Lou Judson <loujudson@xxxxxxx> wrote:
>
> > Steven, I wonder if there is a idfference between and archivist and a
> > record collector? You definitely seem to be the latter. I wonder if
> > someone can get a grant to come and actually archive and digitize your
>
> > collection?!?
>
> I got the impression that what Steve had in mind wasn't a preservation
> project, but to produce a podcast "radio show"
> of music from 78s. If that's the case, there's no reason to retain the
> original wav files (although it would be
> nice) after each show is produced, and the only cleanup necessary would
> be to make the material more "accessible"
> to modern listeners - not the kind of exacting noise reduction regimen
> used by professional restorers for commercial releases.
>
> David Breneman david_breneman@xxxxxxxxx
>
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