Rockbox

  • Status Closed
  • Percent Complete
    100%
  • Task Type Feature Requests
  • Category Drivers
  • Assigned To No-one
  • Operating System All players
  • Severity Low
  • Priority Very Low
  • Reported Version
  • Due in Version Undecided
  • Due Date Undecided
  • Votes
  • Private
Attached to Project: Rockbox
Opened by Anonymous Submitter - 2002-02-11
Last edited by Marc_Guay - 2008-04-17

FS#14 - Line in + Playback mixing

can both the decoded stream’s DAC input and the “Line-In” input be selected as on to mix the 2? be nice to listen
to music + other things like voice/game noises/etc

Closed by  zagor
2008-04-17 19:20
Reason for closing:  Duplicate
Additional comments about closing:   Warning: Undefined array key "typography" in /home/rockbox/flyspray/plugins/dokuwiki/inc/parserutils.php on line 371 Warning: Undefined array key "camelcase" in /home/rockbox/flyspray/plugins/dokuwiki/inc/parserutils.php on line 407

Closing all feature requests.

I believe the Player can do this.

Anonymous Submitter commented on 2003-01-17 21:04

Or for Dj use.

I’ll second this. After looking into the MAS datasheet it
seems possible to me, but I might have looked not thoroughly
enough.

It would be *very* helpfull, to have a configuration
possibility in e.g. F1/Sound Settings; maybe ‘Line-In
Volume’? With this, one could plug a second archos and mix
them by their volumes or plug a PDA with speech output from
a navigation software.

All what would probably be necessary is to change the two
registers for the mixing volumes from default:

/* ADC scale 0%, DSP scale 100% */
mas_codec_writereg(6, 0×0000);
mas_codec_writereg(7, 0×4000);

to user selectable value(s):

0×0000 off
0×2000 50% (6 dB gain)
0×4000 100% (0 dB gain)
0x7F00 200% (+6 dB gain)

To make the decoder volume changeable too, might even help
for badly scaled mp3 files.

Unfortunately, I’ve got no working compiler setup to try it
and the ajbrec.ajz is not plain binary, otherwise I just
would have patched it :-)

Thank you!

patch 1396804 added

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