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Topic: Multiformat Listening Test @ 48 kbps - OPEN (Read 77259 times) previous topic - next topic
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Multiformat Listening Test @ 48 kbps - OPEN

Reply #50
I have to say that even using headphones (Senn HD555) for some samples I couldn't tell the difference from the original. For others the differences were very subtle.
Either codecs improved a lot or I am losing my hearing (or both!!)

Multiformat Listening Test @ 48 kbps - OPEN

Reply #51
High anchor for some samples is indistinguishable  for me. As it's 48 kbit/s  test I expect that the result is still valid  if only high anchor isn't spotted.

Multiformat Listening Test @ 48 kbps - OPEN

Reply #52
As it's 48 kbit/s  test I expect that the result is still valid  if only high anchor isn't spotted.


The result is valid if you don't spot anything :B

Why should only people that can hear artifacts be allowed to participate?

Multiformat Listening Test @ 48 kbps - OPEN

Reply #53
The result is valid if you don't spot anything :B

Why should only people that can hear artifacts be allowed to participate?


Yep. It's real life test.
In extremal case listener can be totally deaf or has serious  problem with hearing. But it's not common in this forum.

Multiformat Listening Test @ 48 kbps - OPEN

Reply #54
I'm getting a weird hang when adjusting the playback range in the ABX section (only happens occassionally, but it's catastrophic when it does happen)


Multiformat Listening Test @ 48 kbps - OPEN

Reply #56
I had it hang once or twice as well. Also, it seemed that whenever I saved my session, I was unable to change the rating sliders without first reloading the session, but everything else still works.

Multiformat Listening Test @ 48 kbps - OPEN

Reply #57
This is soo cool.  If I have time I'm going to complete all of the samples.

Multiformat Listening Test @ 48 kbps - OPEN

Reply #58
I managed to decompress files on Linux using

Code: [Select]
wine cmd /c Sample05.bat
(instead of wine wcmd as it states in the docs)

Using Wine 0.9.22 on Ubuntu

Multiformat Listening Test @ 48 kbps - OPEN

Reply #59
I sent you my 20 test results also now, just wanted to make sure you got them. Fun test!


Multiformat Listening Test @ 48 kbps - OPEN

Reply #61
Thanks to all involved!  I'm not going to go into any extensive ABX testing...if it's imperceptible, then I'm voting 5.  This is mainly due to my left ear hyperacusis, which tends to interfere with involved listening tests such as these.  I hope these will be acceptable results!

I hope this doesn't skew the results too much but many times I think I have a good idea which sample is AAC+ based on that SBR graininess. :X

Multiformat Listening Test @ 48 kbps - OPEN

Reply #62
The samples are often pretty easy to pick out (though there's one or two contenders that do a good job!), so don't worry too much.




Multiformat Listening Test @ 48 kbps - OPEN

Reply #66
Sebastian, did u get results from trans at mchsi.com? ;) Just want to be sure they made it past any spam filters.


Multiformat Listening Test @ 48 kbps - OPEN

Reply #68
Just out of curiosity, how many samples so far? Is the participation on this test being significant?


Multiformat Listening Test @ 48 kbps - OPEN

Reply #70
Good to hear that you're getting plenty of testers.

Multiformat Listening Test @ 48 kbps - OPEN

Reply #71
OK, I decrypted all result files, sorted them automatically using ABC/HR and the wonderful ReNamer with its regexp replacing method, eliminated all invalid results (ranked reference without ABX test) and then counted:

Sample01: 13
Sample02: 15
Sample03: 13
Sample04: 13
Sample05: 13
Sample06: 10
Sample07: 16
Sample08: 12
Sample09: 16
Sample10: 12
Sample11: 13
Sample12: 12
Sample13: 13
Sample14: 14
Sample15: 14
Sample16: 14
Sample17: 12
Sample18: 15
Sample19: 15
Sample20: 15


 

Multiformat Listening Test @ 48 kbps - OPEN

Reply #73
OK, I decrypted all result files, sorted them automatically using ABC/HR and the wonderful ReNamer with its regexp replacing method, eliminated all invalid results (ranked reference without ABX test) and then counted:


".. without ABX test".

Isn't enough just to move the sliders up and down and then save via "Save Test Results.." ?