Rockbox

  • Status Closed
  • Percent Complete
    100%
  • Task Type Patches
  • Category Music playback
  • Assigned To No-one
  • Operating System SW-codec
  • Severity Low
  • Priority Very Low
  • Reported Version Version 3.3
  • Due in Version Undecided
  • Due Date Undecided
  • Votes
  • Private
Attached to Project: Rockbox
Opened by Jeffrey Goode - 2009-07-18
Last edited by Jeffrey Goode - 2009-10-30

FS#10449 - Compressor DSP

This patch is a proof-of-concept attempt at reducing gain of samples on the fly using an tanh algorithm to eliminate clipping. The signal is pre-amplified to bring up low level information and then everything above -6dB is increasingly reduced to bring the signal under the clipping limit. This has the effect of reducing dynamic range. So far, it’s not been optimized for speed or anything else; this is just to see if it works.

Closed by  Jeffrey Goode
2009-10-30 12:58
Reason for closing:  Rejected
Additional comments about closing:  

A different concept was used for the dynamic range compressor DSP.

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