Rockbox

  • Status Closed
  • Percent Complete
    100%
  • Task Type Bugs
  • Category Plugins
  • Assigned To No-one
  • Operating System iPod 5G
  • Severity Low
  • Priority Very Low
  • Reported Version Release 3.12
  • Due in Version Undecided
  • Due Date Undecided
  • Votes
  • Private
Attached to Project: Rockbox
Opened by schmal - 2013-09-24
Last edited by jdgordon - 2013-11-25

FS#12903 - IPOD 5.5 GEN BUG WHEN USING FFT PLUGIN

This is on release 3.13.

When using the FFT plugin, the music is regularly interupted and the FFT trace goes moemntarily blank. This appears to be worse with the lines display in logarithmic mode and happens less frequently on the full colour sonogram.
Not sure if there is a buffering issue, but it would appear to be.

Closed by  jdgordon
2013-11-25 23:50
Reason for closing:  Not a Bug
St. commented on 2013-09-29 11:39

No. Not a buffering issue (you should have somewhere in the vacinity of 50MB+ available to the audio buffer).

Its likely a "iPod 5G has a reasonably crap CPU" thing, and you're likely overloading it. EQ, dithering, crossfade, compressor, stereo width…everything costs.

Now, since FFT works absolutely fine for me on my 5.5G I'm going to roll with the overloaded CPU scenario. Having seen this before, my instinct tells me this may well be due to improper use of the parametric EQ. I am willing to bet that if you were to back up your config.cfg and reset the settings on the device the FFT issues will magically disappear.

[Saint]

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