technical issues

Can anyone tell me about policies about checksums .. what are you using ? how do you carry out checking the checksum files ? I would be grateful for any pokicy document.

Hi all

I'm not sure if this counts as ta true echnical issue, but this was the category that seemed to fit best.

I'm woking in a small university audio archive and I'm preparing to digitize a selection of aluminum discs. For that project I'm searching for a place to buy some larger diameter styli. I imagine 4-8 mil. Esotericsound.com in the US seems to have such either fitting a Stanton 500.V3 or a Nagaoka MP-110, but to simplify the shipping and duty process I wonder if there is any place inside EU where I could find something similar.

We are having a discussion at our organisation (paradisec.org.au) . about which video format/s are best to archive for purposes of streaming. As an archival master we archive an mxf , and then typically we have been archiving also an mp4 (H.264 codec) , which I believe should stream in most browsers. But then we've also had some collections recently requesting we also archive a webm version.

We plan on digitizing some gelatin discs from the 1930s ("system Domofon", produced by a long-since-perished Swiss enterprise), but they seem to have become warped and rigid, perhaps due to too dry storing conditions, barring any possibility of playing them back with a turntable and a needle. Do you know of any reports or publications that describe possibilities of re-moisturizing the discs in the hope of getting them to become less warped, perhaps even supple? I was thinking along the lines of putting them in a humid environment (e.g.