Rockbox

  • Status Closed
  • Percent Complete
    100%
  • Task Type Bugs
  • Category Recording
  • Assigned To No-one
  • Operating System Iriver H100 series
  • Severity Low
  • Priority Very Low
  • Reported Version Daily build (which?)
  • Due in Version Undecided
  • Due Date Undecided
  • Votes
  • Private
Attached to Project: Rockbox
Opened by Davide - 2007-07-14
Last edited by Peter D'Hoye - 2007-07-14

FS#7430 - Recording level ranges are too 'wide'.

According to my memory (and this wiki page http://www.rockbox.org/twiki/bin/view/Main/IriverRecording) the gain ranges for internal mic went from 0 dB to 30 dB and the line in gain range was from 0 dB to 28 dB.

Currently the internal mic gain range is 0 to 52.5 dB and the line in gain range is 0 dB to 48 dB. These gain ranges are not sane. :-)

Closed by  Peter D'Hoye
2007-07-14 15:50
Reason for closing:  Invalid
Additional comments about closing:  

by design: analog and digital gain are combined. Feel free to request re-opening if I'm not correct ;)

Davide commented on 2007-07-14 02:10

I forgot to mention FM Recording which has the same problem.

Michael Sevakis commented on 2007-07-14 13:43

Davide,

Hey. I missed you in IRC asking about this. I don’t know when this problem cropped but it have been when some info in sound.c was moved to the audio driver. I’ve no idea other than that possiblity.

Peter D'Hoye commented on 2007-07-14 15:31

the uda has following ranges:
- analog, line-in: 0 - 24
- analog, int-mic: 0 - 30
- decimator: -63.5 - 24

which gives ranges:
line-in: -63.5 - 48
int-mic: -63.5 - 54

anything wrong with this (I’ll now go and check the code against the above figures)

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