aaronzhang Posted November 20, 2005 Report Share Posted November 20, 2005 i made some recordings using my sony mz-nh700 md. i transfered the recording files-suffixed .oma- to my drive d after i recorded them. my system was installed in drive c. so was the sonicstage software. but recently my system crashed and i did a system recovery, which erased everything stored in drive c. now i couldn't play my recording files in sonycstage or upload them to my md any more. the sonicstage always tries to download licenses from the internet but always failed.i guess the system recovery must have erased my licenses to the recordings.do i have any chance to play my recordings again? they are very important to me!any help or suggestions will be greatly appreciated!thanks! Quote Link to comment Share on other sites More sharing options...
A440 Posted November 20, 2005 Report Share Posted November 20, 2005 Your best chance is to contact Sony and explain the problem. Be persistent. Only Sony has the encryption keys. If by some chance you still have the original discs you can use the Total Recorder method and record them to the computer again. It's slow, but it works. http://forums.minidisc.org/index.php?showtopic=6330Others reading this: copying .oma files is not a reliable backup due to the extremely restrictive encryption. Convert important files to .wav as soon as possible and burn them to CD so this doesn't happen to you. Quote Link to comment Share on other sites More sharing options...
aaronzhang Posted November 21, 2005 Author Report Share Posted November 21, 2005 Your best chance is to contact Sony and explain the problem. Be persistent. Only Sony has the encryption keys. If by some chance you still have the original discs you can use the Total Recorder method and record them to the computer again. It's slow, but it works. http://forums.minidisc.org/index.php?showtopic=6330Others reading this: copying .oma files is not a reliable backup due to the extremely restrictive encryption. Convert important files to .wav as soon as possible and burn them to CD so this doesn't happen to you.thank you so much for your reply!i deleted the original file from the minidisc after i copied it to the harddisk. i think sony should have warned the customers about this shortcoming. it is a very important recording. without it, i may lose a suit! Quote Link to comment Share on other sites More sharing options...
Christopher Posted November 21, 2005 Report Share Posted November 21, 2005 Your best chance is to contact Sony and explain the problem. Be persistent. Only Sony has the encryption keys. Sounds like something out of a sci-fi thriller, but instead it's our absurd reality. Quote Link to comment Share on other sites More sharing options...
dex Otaku Posted November 21, 2005 Report Share Posted November 21, 2005 Actually, Sony don't have the encryption keys, but they might have the tools to decrypt the data without having you violate the DMCA or their software patents. The crucial point here is that OMA is NOT suitable as a backup medium. Export to WAV, and do what you will with those files. OMA is key-encrypted to your specific installation of SonicStage, and as such can not be opened by anything BUT the specific intallation of SS the files were created [uploaded] with.If you still have the original recordings on the original disc, and the first upload was made with SS 3.2 or 3.3, you should be able to upload them again.All that said, I'd still trying pressing Sony until they provide you with a solution of some kind. Quote Link to comment Share on other sites More sharing options...
Christopher Posted November 21, 2005 Report Share Posted November 21, 2005 I agree. Hi-MD as an archival medium in its orginal form is a diseased carrier, it is always best to employ it as strictly a go-between and definitely convert whatever you record to a safer destination free from the mystical world of DRM and that madness. I reiterate this point because alot of people don't really understand this aspect of Hi-MD. Quote Link to comment Share on other sites More sharing options...
dex Otaku Posted November 21, 2005 Report Share Posted November 21, 2005 Kurisu: In the process of editing the upload FAQ, I will be making notes of this fact. Quote Link to comment Share on other sites More sharing options...
Christopher Posted November 21, 2005 Report Share Posted November 21, 2005 Upon reflection, it would be impossible for one to document all of the niggles that come with the Minidisc format. Quote Link to comment Share on other sites More sharing options...
Syrius Posted November 23, 2005 Report Share Posted November 23, 2005 How about the Ten Commandments of Hi-MD?Thou shalt not use OMGJukebox anymore.Thou shalt not mess with the HMA files in Windows explorer.Thou shalt not edit the files on the disc prior to uploading.Thou shalt not backup your files without the backup tool.Thou shalt not keep your music in ATRAC format forever.Thou shalt use Hi-MDRenderer.Thou shalt not use the DRM option when importing a file.Thou shalt use lossless formats when archiving.Thou shalt backup those archives.Thou shalt not have FFDShow installed in your system. Quote Link to comment Share on other sites More sharing options...
dex Otaku Posted November 24, 2005 Report Share Posted November 24, 2005 I'd agree with all but the comment on ffdshow.I've been using ffdshow as my primary codec/filters for movie watching for about 2 years. SS uses the playback filter perfectly fine - I've been using ffdshow for mp3 for that long and never had a single conflict between it and SS. I even use 24-bit decoding with it, and enable the EQ built into for auditioning tracks through SS. Again, I've never had a single problem [on 4 machines running this way]. I'd still assert that this is the biggest myth of SS interactions. Quote Link to comment Share on other sites More sharing options...
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