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Combined display of all available logs of Wikimedia Commons. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).
- 12:09, 14 June 2008 Darrell.barrell talk contribs uploaded a new version of File:Delta sigma dithering 1st order err vs frq.svg ({{Information |Description=error vs frequency performance (simulation) of 64x oversampling 1-bit sigma-delta quantizer |Source=own work |Date=June 08 |Author=darrell.barrell |Permission=public domain |other_versions= }} [[Category:Digital signal processin)
- 10:05, 14 June 2008 Darrell.barrell talk contribs uploaded File:Delta sigma dithering 1st order err vs frq.svg ({{Information |Description={{en|1=A graph of the quantization noise performance of a 64x oversampled 1-bit delta-sigma vs frequency (up to 1/2 of the 1x sample rate) from simulation. Noise due to 5, 6 & 7 bit ordinary quantization is also shown for compar)
- 02:02, 26 December 2006 Darrell.barrell talk contribs uploaded File:Echinacea-purpura-closeup-hires.jpg ({{Information |Description=closeup of echinacea purpura flower centre |Source=own work |Date=2005 |Author=darrell.barrell }} Taken at Berry park, NSW, Aust.)
- 01:43, 26 December 2006 Darrell.barrell talk contribs uploaded File:Cactaceae-astrophytum-closeup.jpg ({{Information |Description=close up of Cactaceae astrophytum |Source=own work |Date=2004 |Author=darrell.barrell |Permission= |other_versions= }} Category:Cactacea )
- 22:50, 25 December 2006 Darrell.barrell talk contribs uploaded File:Oil bubbles.JPG ({{Information |Description=oil bubbles |Source=own work |Date=2004 |Author=darrell.barrell |Permission= |other_versions= }})
- 22:36, 25 December 2006 User account Darrell.barrell talk contribs was created
- 09:08, 25 December 2006 Darrell.barrell talk contribs uploaded File:Bromeliad-pink-flower-closeup.jpg (author: me (darrell.barrell) description: closeup of pink bromeliad flower)