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Multiformat Listening Test @ 128 kbps - OPEN
guruboolez
post Dec 29 2005, 19:29
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QUOTE (zima @ Dec 29 2005, 07:26 PM)
(of course other than the case when ABX results are "against" ABC/HR ones  tongue.gif )
*

It can't happen with schnofler's ABC/HR. If a file is correctly ABXed, the bad slider is automatically frozen smile.gif
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Sebastian Mares
post Dec 31 2005, 20:59
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OK, I have at least 10 results for all samples now. smile.gif

Happy New Year to everyone; three hours left in Germany. w00t.gif


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skelly831
post Dec 31 2005, 21:41
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QUOTE (Sebastian Mares @ Dec 31 2005, 11:59 AM)
Happy New Year to everyone; three hours left in Germany. w00t.gif
*

Congratulations, it's 12:40 PM where I live.


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Sebastian Mares
post Jan 1 2006, 00:02
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2006 finally arrived here, too! w00t.gif


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skelly831
post Jan 1 2006, 00:13
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QUOTE (Sebastian Mares @ Dec 31 2005, 03:02 PM)
2006 finally arrived here, too! w00t.gif
*

8 hours and 47 minutes to go...


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sinnema
post Jan 1 2006, 03:44
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QUOTE (Sebastian Mares @ Dec 31 2005, 11:59 AM)
OK, I have at least 10 results for all samples now. smile.gif
*
Is that enough? crying.gif


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Sebastian Mares
post Jan 1 2006, 10:58
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No, but now people don't have to focus on specific samples for which I have less than 10 results. smile.gif


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Cutter
post Jan 6 2006, 16:47
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Hi,

Is it possible to reset an ABX test after having pressed the "Finish" button? I pressed Finish after the 6th try but would like to test more.
Thanks.

PS: are ABX results included in the results of the listening test? How low the probability has to be to disable the bad slider?

This post has been edited by Cutter: Jan 6 2006, 16:57
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Sebastian Mares
post Jan 9 2006, 12:56
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All I can say is that ABX results are included in the logs. No idea about the other questions, though.

Anyways, how's testing going, guys? Slowly reaching the second deadline and I can't say I received a lot of new results. ermm.gif


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Garf
post Jan 9 2006, 13:11
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QUOTE (Sebastian Mares @ Jan 9 2006, 01:56 PM)
All I can say is that ABX results are included in the logs. No idea about the other questions, though.

*


The ABX "probability if guessing" that you must reach is set by the person making the test.

So if you don't remember, I'll guess it's the default <0.05 smile.gif
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Sebastian Mares
post Jan 9 2006, 13:19
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QUOTE (Garf @ Jan 9 2006, 01:11 PM)
QUOTE (Sebastian Mares @ Jan 9 2006, 01:56 PM)
All I can say is that ABX results are included in the logs. No idea about the other questions, though.

*


The ABX "probability if guessing" that you must reach is set by the person making the test.

So if you don't remember, I'll guess it's the default <0.05 smile.gif
*



Ah, then yes, 0.05 is correct.


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schnofler
post Jan 9 2006, 15:58
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QUOTE (Cutter @ Jan 6 2006, 07:47 AM)
Is it possible to reset an ABX test after having pressed the "Finish" button?
*


No, it's not possible. Otherwise you could just keep resetting and finishing the test until you get the desired result (pval<0.05) by chance.
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Cutter
post Jan 9 2006, 19:28
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QUOTE (schnofler @ Jan 9 2006, 03:58 PM)
QUOTE (Cutter @ Jan 6 2006, 07:47 AM)
Is it possible to reset an ABX test after having pressed the "Finish" button?
*


No, it's not possible. Otherwise you could just keep resetting and finishing the test until you get the desired result (pval<0.05) by chance.
*


Isn't such cheating already possible by "forgetting" to save the session, re-opening the test and trying again?
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Garf
post Jan 9 2006, 19:35
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QUOTE (Cutter @ Jan 9 2006, 08:28 PM)
QUOTE (schnofler @ Jan 9 2006, 03:58 PM)
QUOTE (Cutter @ Jan 6 2006, 07:47 AM)
Is it possible to reset an ABX test after having pressed the "Finish" button?
*


No, it's not possible. Otherwise you could just keep resetting and finishing the test until you get the desired result (pval<0.05) by chance.
*


Isn't such cheating already possible by "forgetting" to save the session, re-opening the test and trying again?
*



The likelyhood of being able to get a significant ABX on *all* samples with this method isn't very good smile.gif
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kwanbis
post Jan 12 2006, 18:43
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ok, started testing, some doubts:

1) can i use a pair of sony u$s 10 headphones? (i have no better)
2) as far as i can see, i rate all 5! (i must be deaf) should i try anyway?
3) when i press "ref" button, is it allways the unencoded sample?

thanks.


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sTisTi
post Jan 12 2006, 19:04
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QUOTE (kwanbis @ Jan 12 2006, 06:43 PM)
ok, started testing, some doubts:

1) can i use a pair of sony u$s 10 headphones? (i have no better)
2) as far as i can see, i rate all 5! (i must be deaf) should i try anyway?
3) when i press "ref" button, is it allways the unencoded sample?

thanks.
*

1) Probably yes if you still can spot artefacts, but it certainly won't make testing any easier for you
2) Same here, except for one sample, and that with Sennheiser HD600's unsure.gif
But you do recognise the low anchor, don't you? Otherwise you really should consider having your ears checked tongue.gif
3) Yes


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kwanbis
post Jan 12 2006, 19:15
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QUOTE (sTisTi @ Jan 12 2006, 06:04 PM)
But you do recognise the low anchor, don't you? Otherwise you really should consider having your ears checked  tongue.gif

cant even recognize the f*#$g low anchor blink.gif

mmm ... so maybe for me 128kbps = CD quality is true!

This post has been edited by kwanbis: Jan 12 2006, 19:21


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IgorC
post Jan 12 2006, 19:22
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QUOTE (kwanbis @ Jan 12 2006, 10:15 AM)
QUOTE (sTisTi @ Jan 12 2006, 06:04 PM)
But you do recognise the low anchor, don't you? Otherwise you really should consider having your ears checked  tongue.gif

cant even recognize the f*#$g low anchor blink.gif
*



I can ABXed low anchor in the almost all samples. But it's hard for anothers crying.gif

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kwanbis
post Jan 12 2006, 19:26
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so the question still remain, should i send an all 5 test result?


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Sebastian Mares
post Jan 12 2006, 19:40
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Well, yes, why not? It IS a result showing that the encoders performed well.

Anyways, no offense, but you could have checked if you can spot differences before telling me to extend the test. ermm.gif


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kwanbis
post Jan 12 2006, 19:59
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QUOTE (Sebastian Mares @ Jan 12 2006, 06:40 PM)
Anyways, no offense, but you could have checked if you can spot differences before telling me to extend the test. ermm.gif

never thought it could be this dificult ... maybe i should had tried ... but it bet you didn't do it just for me rolleyes.gif


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Sebastian Mares
post Jan 12 2006, 20:32
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Well, as I said in a previous post, I didn't receive a significant amount of new results which makes me feel a bit upset. It's not your fault, don't get me wrong. smile.gif

Oh, by the way, thanks a lot to all of you who participated and helped me out during these weeks! smile.gif

This post has been edited by Sebastian Mares: Jan 12 2006, 20:35


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slav!x
post Jan 12 2006, 20:39
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QUOTE (kwanbis @ Jan 12 2006, 10:15 AM)
QUOTE (sTisTi @ Jan 12 2006, 06:04 PM)
But you do recognise the low anchor, don't you? Otherwise you really should consider having your ears checked  tongue.gif

cant even recognize the f*#$g low anchor blink.gif

mmm ... so maybe for me 128kbps = CD quality is true!
*


check sample #12 IMHO quite easy to detect low anchor ... but other encoders for me mission impossible wink.gif and sample #1 annoying in original tongue.gif haven't checked others.. anyway can't recognise anything except low anchor...

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kwanbis
post Jan 12 2006, 21:10
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i would check sample 12 right away. i suppose my cheap earphones could be the culprid also?


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STL
post Jan 12 2006, 21:25
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QUOTE (Sebastian Mares @ Jan 12 2006, 02:32 PM)
Well, as I said in a previous post, I didn't receive a significant amount of new results which makes me feel a bit upset.
Well I just attempted to try to help with that, but I don't hear any sound when I try to play the a sample. In fact, I get no indication they're actually being played (is that normal)? I tried listen to just part of the sample with the same result. I believe I followed all the directions. When I play the WAVs with Windows Media Player I hear them. I upgrade to the lastest java (as I had an old version) but also didn't help. I also verified my directory structure is correct. Any ideas?
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