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Apple 5.5 and 6Gen Classic FLAC

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Ambience:
Hi All,

So Ive been using RockBox on my iPods for years, with that said I have recently bought a second and decided to update them both using the "new" installer.

I have both a 5.5 and a 6th gen, when rockbox is installed on them and I mean either of them with the new dualboot installer everything appears to be fine. With that said, when it comes to listening to any of the FLAC files it will play that one song but hang/freeze and basically die/crash when that song comes to an end (basically is about to change to the next song in the list). If I recall (at work so will have to double check) skipping songs is fine its just when letting the song run and letting it try to change itself the issue appears.

Help would greatly be appriciated to try diagnose the issue as my music is basically half lossy and half flac so i only have half my music for the time being :(,

Previous build on 6gen was emcore with i believe rockbox version 27111d8-131026 and that was really stable both on flac and lossy, used for 2 years until now.

If you need any logs or more information let me know

Thanks in advance for any help
A.

shinlos:
Hello there, I had come to this forum for the same issue on my iPod 5.5 as well, with the exact same symptoms having reinstalled Rockbox after attempting a SD card upgrade.

I chanced upon a particular thread which worked
http://forums.rockbox.org/index.php/topic,51460.0.html
Basically it suggests connecting the iPod while in the original firmware to transfer any music that you have.

While this solution seems to have solved the problem of skipping, I chanced upon a new issue now, there was noticeable buzzing during the silent portion of .flac songs. Still, that's the bulk of my problems solved, as at least I'm able to listen to my collection, and it's mainly my classical songs that have those silent portions in them.

I've tried and can confirm that the aforementioned method works on both the stable and development builds, though the buzzing does persist.

Hope it works for you!

Ambience:
Thanks for the reply, Apologies for the delay for some reason every time I checked the forums seemed to be having issues.

I noticed there were issues when using Rockbox mode when transferring files and tried the transfer using apples own firmware and noticed no issue so from then that's how I've been transferring my files but still seemed to get the issue. After posting in this thread I converted my entire library to 320kbps and found no issues, I then attempted some know FLAC songs which I experienced issues with and still came across the issues mentioned in my previous post.

Yesterday I came across another issue which gave me an error and prevented me from booting into Rockbox longer than 15 seconds (since forgot the error code apologies) but I ended up doing a factory restore and starting from scratch, and transferred my lossy and 320 converted FLAC files and found things to be stable once more, I once more attempted some FLACs which I experienced issues with and found these to my delightful surprise to be working!

My only assumption is there was something wrong with the formatting, to confirm however I had tried this at least 4 times prior so not exactly sure what was different this time :(

Just to note all this particular pose is currently Apple 5.5 with a apple 6th HDD, I must admit however it was rare I got the FLAC files to skip mid song unless it was a huge 24-96 file which by that point I thought it was just the HDD not being able to keep up (these now also seem to be working without issue however).

with all the above said, I am content to start looking into modifying my 6th gen to Micro SD cards once money allows :)

With regards to your silence issues,  may I ask (no offense intended) are you 100% sure the buzz/hiss? is not supposed to be there?, if you are have you just for the sake of science tried converting it to ALAC and seeing if the Apple firmware plays without the his (just to help rule out the iPod over Rockbox)

Also thank you for your input on the Dev build, I may just transition over to that once I'm confident in the stability of this reformat.

Frankenpod:
Strange problem, though it sounds like it might be disk corruption at a low enough level that just recopying the files wouldn't fix it.  Did you try scandisk on the ipod at any point (maybe not windows built-in scandisk, but a third party utility that is less limited, i.e. AOMEII or a linux utility).

Or, wildly guessing, could file fragmentation have been enough to slow the disk down too much for the largest FLACs?

Ambience:
Hi Frankenpod,

I think your very likely right about disk corruption at a low enough level, unfortunately I never went as far as doing any indepth disk checks but would likely have got to that point had the formatting not have worked, I did a basic chkdsk which low and behold found nothing... the idea on fragmentation is also plausable.

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