Pre-emphasis: Revision history

9 October 2021

• curprev 05:1305:13, 9 October 2021‎ LazLong talk contribs‎ m 10,688 bytes −2‎ →‎Software designed to apply de-emphasis

14 April 2021

• curprev 16:5016:50, 14 April 2021‎ 209.150.240.145 talk‎ 10,690 bytes −21‎ →‎Pre-emphasis on audio CD in computers: Got rid of rather abrasive and combative accusation of the listener's ears.

31 July 2019

• curprev 20:3920:39, 31 July 2019‎ Beardgoggles talk contribs‎ m 10,711 bytes +354‎ →‎External links: Updated links with actual page names.

19 June 2018

• curprev 16:3416:34, 19 June 2018‎ 92.62.53.27 talk‎ 10,357 bytes +12‎ Changed ""audiophile quality filter" in cddemph description to "80-bit floating point for processing" for more specific info. Info about 80-bit floating point taken from https://rutracker.org/forum/viewtopic.php?t=4854775

28 October 2014

• curprev 19:1219:12, 28 October 2014‎ Pcm1794 talk contribs‎ 10,345 bytes −185‎ →‎De-emphasis processing
• curprev 19:1119:11, 28 October 2014‎ Pcm1794 talk contribs‎ 10,530 bytes +190‎ →‎De-emphasis processing
• curprev 19:1019:10, 28 October 2014‎ Pcm1794 talk contribs‎ 10,340 bytes +32‎ →‎De-emphasis processing
• curprev 19:0819:08, 28 October 2014‎ Pcm1794 talk contribs‎ 10,308 bytes +3‎ →‎De-emphasis processing
• curprev 19:0719:07, 28 October 2014‎ Pcm1794 talk contribs‎ 10,305 bytes +104‎ →‎De-emphasis processing
• curprev 19:0619:06, 28 October 2014‎ Pcm1794 talk contribs‎ 10,201 bytes +53‎ →‎Software to made de-emphasis

20 September 2014

• curprev 17:1817:18, 20 September 2014‎ 171.33.249.99 talk‎ 10,148 bytes +11‎ →‎Software witch made de-emphasis
• curprev 17:1717:17, 20 September 2014‎ 171.33.249.99 talk‎ 10,137 bytes +1‎ →‎Software wich made de-emphasis
• curprev 13:0213:02, 20 September 2014‎ DrSeehas talk contribs‎ m 10,136 bytes −16‎ →‎Software wich made de-emphasis
• curprev 12:4312:43, 20 September 2014‎ Pcm1794 talk contribs‎ 10,152 bytes +261‎ No edit summary

18 August 2013

• curprev 05:0105:01, 18 August 2013‎ DrSeehas talk contribs‎ 9,891 bytes +14‎ →‎External links: references tag

8 May 2013

• curprev 05:5105:51, 8 May 2013‎ Mjb talk contribs‎ 9,877 bytes +664‎ →‎De-emphasis processing: since foo_dsp_effect's de-emphasis filter is working correctly now, mention it again. Mention postprocessor details. Mention that all of the software does a good job.
• curprev 05:3005:30, 8 May 2013‎ Mjb talk contribs‎ 9,213 bytes +126‎ →‎Pre-emphasis on audio CD: typo fix and add that there are suspected pre-emphasized CDs with no pre-emphasis flags in TOC or subcode

15 February 2013

• curprev 00:0000:00, 15 February 2013‎ Mjb talk contribs‎ 9,087 bytes +106‎ →‎De-emphasis processing: lvqcl pointed out that he has a better convolver. I tested it, and it works as expected.

14 February 2013

• curprev 17:3317:33, 14 February 2013‎ Mjb talk contribs‎ 8,981 bytes +119‎ →‎De-emphasis processing: In my testing, I discovered foo_convolve with these impulses outputs slightly more samples than were input
• curprev 04:4304:43, 14 February 2013‎ Mjb talk contribs‎ m 8,862 bytes −7‎ →‎De-emphasis processing: after looking at the code, I see it's only checking for 44100 Hz sample rate
• curprev 04:3904:39, 14 February 2013‎ Mjb talk contribs‎ m 8,869 bytes −71‎ →‎De-emphasis processing: still adjusting my phrasing
• curprev 04:3704:37, 14 February 2013‎ Mjb talk contribs‎ 8,940 bytes +7‎ →‎De-emphasis processing: foo_dsp_effect's CD deemphasis preset does not do what it's supposed to at all. Commenting it out until the issue is resolved.
• curprev 04:1904:19, 14 February 2013‎ Mjb talk contribs‎ m 8,933 bytes +39‎ →‎De-emphasis processing: minor adjustments to my previous edits. I'm starting to think this would work better as a table.

12 February 2013

• curprev 22:0922:09, 12 February 2013‎ Mjb talk contribs‎ m 8,894 bytes +24‎ →‎De-emphasis processing: foo_deemph clarification
• curprev 22:0322:03, 12 February 2013‎ Mjb talk contribs‎ 8,870 bytes +878‎ →‎De-emphasis processing: expanded foobar2000 info to mention all the options

25 January 2013

• curprev 15:3315:33, 25 January 2013‎ Mjb talk contribs‎ m 7,992 bytes +93‎ Roger Nichols may have died, but his writing can live on, thanks to archive.org

20 December 2012

• curprev 22:1422:14, 20 December 2012‎ 87.112.81.64 talk‎ 7,899 bytes −51‎ →‎External links: Removed dead link.

21 August 2011

• curprev 10:2810:28, 21 August 2011‎ Mjb talk contribs‎ m 7,950 bytes +83‎ →‎De-emphasis processing: I had linked to the wrong impulse, I believe

4 January 2011

• curprev 19:3419:34, 4 January 2011‎ Mjb talk contribs‎ m 7,867 bytes −1‎ typo fix

26 July 2010

• curprev 09:0509:05, 26 July 2010‎ Mjb talk contribs‎ m 7,868 bytes +1‎ →‎Pre-emphasis on audio CD in computers: typo fix
• curprev 09:0409:04, 26 July 2010‎ Mjb talk contribs‎ 7,867 bytes +156‎ →‎Pre-emphasis on audio CD: filters, not just converters, according to head-case.org forum posts

8 March 2010

• curprev 23:5523:55, 8 March 2010‎ Mjb talk contribs‎ m 7,711 bytes +20‎ →‎Pre-emphasis on audio CD in computers: minor copy edits

5 March 2010

• curprev 05:4805:48, 5 March 2010‎ Mjb talk contribs‎ 7,691 bytes +1,939‎ →‎De-emphasis processing: expanded deemphasis explanation & options, including cdda2wav and foobar2000 options
• curprev 05:4005:40, 5 March 2010‎ Mjb talk contribs‎ m 5,752 bytes −266‎ →‎External links: moving software links into body
• curprev 04:0904:09, 5 March 2010‎ Mjb talk contribs‎ 6,018 bytes +1,213‎ →‎Pre-emphasis on audio CD in computers: expanded info to clarify that CD drive analog output might have de-emphasis, but digital output is more common now and does not have de-emphasis

2 March 2010

• curprev 02:1502:15, 2 March 2010‎ Mjb talk contribs‎ m 4,805 bytes +47‎ →‎External links: capitalization of SoX; +clarify WaveEmph is for Windows

26 February 2010

• curprev 11:0711:07, 26 February 2010‎ Mjb talk contribs‎ m 4,758 bytes −1‎ →‎Pre-emphasis on audio CDs in computers: heading adjustment for consistency
• curprev 11:0611:06, 26 February 2010‎ Mjb talk contribs‎ 4,759 bytes +225‎ +cue sheet info
• curprev 10:3410:34, 26 February 2010‎ Mjb talk contribs‎ m 4,534 bytes +9‎ category format fix
• curprev 10:3410:34, 26 February 2010‎ Mjb talk contribs‎ m 4,525 bytes +23‎ +category Signal Processing
• curprev 10:3010:30, 26 February 2010‎ Mjb talk contribs‎ 4,502 bytes +4,502‎ new article to cover this arcane topic. Just getting started!