IPB

Welcome Guest ( Log In | Register )

Interesting Papers re temporal resolution
ncdrawl
post Jul 25 2009, 07:27
Post #1





Group: Members
Posts: 37
Joined: 5-October 08
Member No.: 59436



http://www.physics.sc.edu/kunchur/Acoustics-papers.htm

http://www.physics.sc.edu/kunchur/papers/FAQs.pdf
Go to the top of the page
+Quote Post
 
Start new topic
Replies
Canar
post Jul 28 2009, 19:46
Post #2





Group: Super Moderator
Posts: 3352
Joined: 26-July 02
From: princegeorge.ca
Member No.: 2796



If I may grossly oversimplify your argument Axon, you're partially arguing that he's choosing an extreme edge case to test. However, if his intent is to map the boundaries of audibility, wouldn't an edge case be acceptable? I find the conclusion that ultrasonics are perceptible fascinating, and if he's found a case in which they actually are audible, should we not hear it out? Even though it does not represent most cases, if they are truly audible in this case, isn't that worth considering?

As an archivist, I want transparency in all cases, so I don't have to worry about the edge cases. That's why I use FLAC and not MP3. If there is any case where 44.1kHz is not sufficient, isn't that worth devising solutions for?


--------------------
You cannot ABX the rustling of jimmies.
No mouse? No problem.
Go to the top of the page
+Quote Post
saratoga
post Jul 28 2009, 21:08
Post #3





Group: Members
Posts: 4904
Joined: 2-September 02
Member No.: 3264



QUOTE (Canar @ Jul 28 2009, 14:46) *
As an archivist, I want transparency in all cases, so I don't have to worry about the edge cases. That's why I use FLAC and not MP3. If there is any case where 44.1kHz is not sufficient, isn't that worth devising solutions for?


I think his results are really interesting, but to an archivist, they're not relevant until they're shown to apply to something approaching actual audio. After all if you just want to store square waves, you shouldn't be using PCM in the first place because of its nasty requirement that signals be band limited . . .
Go to the top of the page
+Quote Post
NullC
post Jul 29 2009, 05:48
Post #4





Group: Developer
Posts: 200
Joined: 8-July 03
Member No.: 7653



QUOTE (Mike Giacomelli @ Jul 28 2009, 12:08) *
I think his results are really interesting, but to an archivist, they're not relevant until they're shown to apply to something approaching actual audio. After all if you just want to store square waves, you shouldn't be using PCM in the first place because of its nasty requirement that signals be band limited . . .


…Because other sampling methods don't require band-limited signals?

For archival purposes there is a decent argument for going beyond redbook "just in case" ... Perhaps the lizard people who will take over the earth after we nuke ourselves will have decent ultra-sonic hearing and want the full experience? smile.gif It's not like the behaviours of professional archivists have much relationship to the behaviour of normal people anywhere else. (Or will you be micro-scribing my message onto a nickel plate?)
Go to the top of the page
+Quote Post

Posts in this topic
- ncdrawl   Interesting Papers re temporal resolution   Jul 25 2009, 07:27
- - rpp3po   I'm not sure wether they have actually tested ...   Jul 25 2009, 13:17
- - Ethan Winer   Nice to see this topic here where it can be discus...   Jul 25 2009, 18:26
- - hellokeith   from the link: QUOTE Our recent behavioral studies...   Jul 25 2009, 20:39
|- - C.R.Helmrich   QUOTE (hellokeith @ Jul 25 2009, 21:39) D...   Jul 25 2009, 22:09
||- - rpp3po   QUOTE (C.R.Helmrich @ Jul 25 2009, 23:09)...   Jul 25 2009, 22:28
||- - Woodinville   QUOTE (rpp3po @ Jul 25 2009, 14:28) Well,...   Jul 28 2009, 09:27
|- - John_Siau   From the first paragraph at: www.physics.sc.edu/ku...   Jul 31 2009, 19:16
|- - andy_c   QUOTE (John_Siau @ Jul 31 2009, 12:16) Th...   Jul 31 2009, 21:30
- - hellokeith   Well after reading through the first 3 PDF's a...   Jul 26 2009, 01:24
- - Axon   Don't even bother using a square wave generato...   Jul 28 2009, 02:55
|- - rpp3po   Yes, I asked myself why Adobe would even include s...   Jul 28 2009, 03:06
- - Mike Giacomelli   I only skimmed the paper, but IIRC tried a digital...   Jul 28 2009, 03:31
- - Canar   Now the WAV files won't load in foobar2000... ...   Jul 28 2009, 03:51
|- - rpp3po   QUOTE (Canar @ Jul 28 2009, 04:51) These ...   Jul 28 2009, 11:37
|- - lvqcl   QUOTE (rpp3po @ Jul 28 2009, 14:37) Could...   Jul 28 2009, 12:52
|- - Mike Giacomelli   QUOTE (rpp3po @ Jul 28 2009, 06:37) Could...   Jul 28 2009, 15:58
- - Nick.C   Why not just just create a 7.35kHz square wave ...   Jul 28 2009, 13:13
|- - benski   QUOTE (Nick.C @ Jul 28 2009, 08:13) Why n...   Jul 31 2009, 15:39
|- - 2Bdecided   QUOTE (benski @ Jul 31 2009, 15:39) QUOTE...   Jul 31 2009, 16:33
|- - benski   QUOTE (2Bdecided @ Jul 31 2009, 11:33) QU...   Jul 31 2009, 16:39
- - Axon   Because that places unacceptable restrictions on t...   Jul 28 2009, 16:12
- - Canar   If I may grossly oversimplify your argument Axon, ...   Jul 28 2009, 19:46
|- - Axon   QUOTE (Canar @ Jul 28 2009, 13:46) If I m...   Jul 28 2009, 20:14
||- - andy_c   I'd like to add a few comments regarding the ...   Jul 29 2009, 16:52
||- - Axon   QUOTE (andy_c @ Jul 29 2009, 10:52) I...   Jul 29 2009, 17:11
||- - andy_c   QUOTE (Axon @ Jul 29 2009, 10:11) Well, g...   Jul 29 2009, 17:27
|- - Mike Giacomelli   QUOTE (Canar @ Jul 28 2009, 14:46) As an ...   Jul 28 2009, 21:08
|- - NullC   QUOTE (Mike Giacomelli @ Jul 28 2009, 12...   Jul 29 2009, 05:48
|- - Mike Giacomelli   QUOTE (NullC @ Jul 29 2009, 00:48) QUOTE ...   Jul 29 2009, 16:19
- - Axon   So, on that note.... an off topic comment. I just ...   Jul 29 2009, 17:01
|- - Canar   QUOTE (Axon @ Jul 29 2009, 09:01) So, on ...   Jul 29 2009, 18:18
- - krabapple   It may well be that Dr. Kunchur's audio work i...   Jul 29 2009, 17:04
- - kode54   Where did you come up with that 1.45GHz figure? Th...   Jul 29 2009, 20:22
- - Axon   Well, I'm thinking more specifically of the th...   Jul 29 2009, 20:41
- - Audible!   QUOTE (ncdrawl @ Jul 30 2009, 23:07) QUOT...   Jul 31 2009, 08:36
- - 2Bdecided   Yes, I see it now (having tried it!), it's...   Jul 31 2009, 17:13
- - John_Siau   From the summary paragraph in "Audibility of ...   Jul 31 2009, 19:37
|- - Axon   QUOTE (John_Siau @ Jul 31 2009, 13:37) Fr...   Jul 31 2009, 21:28
|- - John_Siau   QUOTE (Axon @ Jul 31 2009, 16:28) That se...   Jul 31 2009, 22:15
|- - WernerO   QUOTE (Axon @ Jul 31 2009, 21:28) Dr. Kun...   Aug 1 2009, 06:46
|- - 2Bdecided   QUOTE (Axon @ Jul 31 2009, 21:28) That se...   Aug 1 2009, 08:24
|- - rpp3po   I'm just coming back from vacation. Thanks for...   Aug 2 2009, 17:42
|- - Arnold B. Krueger   QUOTE (rpp3po @ Aug 2 2009, 12:42) But un...   Aug 3 2009, 01:24
|- - rpp3po   QUOTE (Arnold B. Krueger @ Aug 3 2009, 02...   Aug 3 2009, 01:42
|- - ncdrawl   QUOTE (rpp3po @ Aug 2 2009, 20:42) QUOTE ...   Aug 3 2009, 04:59
|- - krabapple   QUOTE (ncdrawl @ Aug 2 2009, 23:59) QUOTE...   Aug 3 2009, 07:57
|- - WernerO   QUOTE (ncdrawl @ Aug 3 2009, 04:59) Dr. K...   Aug 3 2009, 08:52
||- - Axon   QUOTE (WernerO @ Aug 3 2009, 02:52) QUOTE...   Aug 3 2009, 19:02
|||- - honestguv   QUOTE (Axon @ Aug 3 2009, 20:02) BTW, I f...   Aug 3 2009, 19:35
||- - ncdrawl   QUOTE (WernerO @ Aug 3 2009, 03:52) we do...   Aug 8 2009, 00:03
|- - honestguv   > Dr. Kunchur will be posting confutations in f...   Aug 3 2009, 08:54
|- - andy_c   Regarding my earlier post about the lack of second...   Aug 3 2009, 17:34
- - benski   I need to do further reading to do a full refutati...   Aug 3 2009, 20:10
|- - benski   Also, for his FAQ example of two peaks separated b...   Aug 3 2009, 20:24
|- - WernerO   QUOTE (benski @ Aug 3 2009, 21:24) two pe...   Aug 3 2009, 20:56
||- - Axon   QUOTE (WernerO @ Aug 3 2009, 14:56) QUOTE...   Aug 3 2009, 21:04
||- - benski   QUOTE (WernerO @ Aug 3 2009, 15:56) QUOTE...   Aug 3 2009, 21:22
|||- - WernerO   QUOTE (benski @ Aug 3 2009, 22:22) Please...   Aug 4 2009, 08:11
|||- - benski   QUOTE (WernerO @ Aug 4 2009, 03:11) QUOTE...   Aug 4 2009, 14:34
||- - honestguv   QUOTE (WernerO @ Aug 3 2009, 21:56) But t...   Aug 3 2009, 21:47
||- - benski   QUOTE (honestguv @ Aug 3 2009, 16:47) QUO...   Aug 3 2009, 22:04
||- - honestguv   QUOTE (benski @ Aug 3 2009, 23:04) They a...   Aug 3 2009, 22:49
|- - 2Bdecided   QUOTE (benski @ Aug 3 2009, 20:24) Also, ...   Aug 3 2009, 22:05
- - Canar   I just had a random thought about this and I wante...   Aug 4 2009, 02:41
|- - andy_c   Well, the 4.7us time constant does decrease the le...   Aug 4 2009, 02:57
|- - andy_c   Here's another thing I noticed in his test app...   Aug 4 2009, 14:23
||- - Arnold B. Krueger   QUOTE (andy_c @ Aug 4 2009, 09:23) Here...   Aug 13 2009, 12:56
|- - Pio2001   Hello, I've just read the first and third arti...   Apr 18 2010, 23:07
|- - C.R.Helmrich   QUOTE (Pio2001 @ Apr 19 2010, 00:07) Ther...   Apr 18 2010, 23:56
|- - Arnold B. Krueger   QUOTE (Pio2001 @ Apr 18 2010, 18:07) QUOT...   Apr 19 2010, 14:49
- - ultrasonic   QUOTE (rpp3po @ Aug 3 2009, 02:42) QUOTE ...   Jan 2 2010, 05:09
|- - Woodinville   QUOTE (ultrasonic @ Jan 1 2010, 20:09) QU...   Jan 2 2010, 05:28
||- - ultrasonic   QUOTE (Woodinville @ Jan 2 2010, 06:28) Q...   Jan 2 2010, 05:41
||- - Arnold B. Krueger   QUOTE (ultrasonic @ Jan 1 2010, 23:41) QU...   Jan 2 2010, 06:15
|- - Arnold B. Krueger   QUOTE (ultrasonic @ Jan 1 2010, 23:09) QU...   Jan 2 2010, 06:01
|- - ultrasonic   QUOTE (Arnold B. Krueger @ Jan 2 2010, 07...   Jan 2 2010, 06:37
|- - Arnold B. Krueger   QUOTE (ultrasonic @ Jan 2 2010, 00:37) QU...   Jan 2 2010, 06:52
|- - Woodinville   QUOTE (ultrasonic @ Jan 1 2010, 21:37) Op...   Jan 2 2010, 10:29
||- - Arnold B. Krueger   QUOTE (Woodinville @ Jan 2 2010, 04:29) B...   Jan 2 2010, 13:24
|- - krabapple   QUOTE (ultrasonic @ Jan 2 2010, 00:37) Op...   Jan 3 2010, 06:43
- - Woodinville   It is interesting to note that now the same people...   Jun 15 2010, 19:31
- - Arnold B. Krueger   QUOTE (Woodinville @ Jun 15 2010, 14:31) ...   Jun 16 2010, 11:09
- - Paulhoff   QUOTE (Woodinville @ Jun 15 2010, 14:31) ...   Jun 16 2010, 12:33
2 Pages V   1 2 >


Reply to this topicStart new topic
1 User(s) are reading this topic (1 Guests and 0 Anonymous Users)
0 Members:

 



RSS Lo-Fi Version Time is now: 22nd August 2014 - 09:28