• Status Closed
  • Percent Complete
  • Task Type Feature Requests
  • 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 rodwatt - 2007-06-14
Last edited by petur - 2007-06-25

FS#7308 - Noise Cancelling

Hi all

New to Rockbox so apologies if this has already been considered/discussed…

Thought it might be useful to implement a noise cancelling feature using the inbuilt mic (or line in mic come to think of it), negating the input and playing back with music or radio. Then I wouldn’t need to spend a fortune on noise cancelling headphones which work the same way.

“Noise Cancelling” menu options might be “On/Off”, “Input Source” and “Sensitivity” so you can adjust the level of noise that is cancelled - I’ve often thought if there was a bus blasting it’s horn at me to get out of the way or a fire alarm going off I might not want these cancelled!

Many thanks


Closed by  zagor
2007-06-25 21:34
Reason for closing:  Rejected
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.

Active noise cancellation generally requires you to measure the incident sound wave at the transducer. I don’t think your idea would work.

Also, if you want noise isolation, you can get very good results using a <$30 pair of internal ear headphones.


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