Rockbox

Tasklist

FS#12708 - iPod Nano 2G Swapped Channels

Attached to Project: Rockbox
Opened by PBCNX-MAN (pbcnx) - Wednesday, 27 June 2012, 03:08 GMT
Task Type Bugs
Category Music playback
Status Unconfirmed
Assigned To No-one
Operating System iPod Nano 2G
Severity Low
Priority Normal
Reported Version Daily build (which?)
Due in Version Undecided
Due Date Undecided
Percent Complete 0%
Votes 0
Private No

Details

I've been using the latest dev builds everyday for iPod Nano 2G and still encountering "Swapped Channels" on Playback (e.g. Left Channel -> Right Headphone / Right Channel -> Left Headphone).

Used latest build 5785cfb-120625
This task depends upon

Comment by tfujii (tfujii) - Friday, 02 November 2012, 18:28 GMT
Me too. I thought it is a phenomenon occurring only in my iPod nano 2G.
I attempted to update to the following latest versions, but LR channels ware still replaced each other.

Stable: 3.10
Dev: b19b250-121031

I'm Japanese and poor at English. I am sorry if wrong.
Comment by Arek (Vilcz3k) - Thursday, 29 November 2012, 21:38 GMT
All iPod have this problem probably, becouse Apple makes revert channels in Audio OUT for their earphones, so if You have Apple earphones, all should play good.
Anyway - I think, make this type of option (for revert channels) cannot be hard for our lovely RockBox programmers :) - I know, that isn't really priority, but it'll be really usefull for every iPods user.

I use a d66c167 build, and still waiting for that option.
Comment by Burn Hurbz (Herby) - Thursday, 20 December 2012, 13:23 GMT
Using dev rev a6409c8 (2012-12-19) -> swapped channels,.. can someone please fix this :/

http://forums.rockbox.org/index.php/topic,34667.0.html
Comment by Jacob Brett (jacobbrett) - Wednesday, 30 October 2013, 22:23 GMT
I can confirm this is still an issue with the official 3.13 build (rockbox-ipodnano2g-3.13.zip).
Comment by Jacob Brett (jacobbrett) - Wednesday, 30 October 2013, 22:29 GMT
Also, selecting 'Mono Left' and 'Mono Right' outputs the expected channel, rather than the reverse (as per this comment: http://www.rockbox.org/tracker/task/6314#comment17168 ).
Comment by Michael Sevakis (MikeS) - Saturday, 02 November 2013, 07:53 GMT
That's what I'd expect from a low-level driver bug or hardware issue. If the hardware I2S is at fault, some well-applied pain and suffering could be applied to find a way to finesse the hardware into always sending the correct channel phase to the DAC.

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