I've detected a very hard distortion on the song "The Rolling Stones - Satisfaciton" encoding with mpc 1.14b using the profiles standard and Xtreme. The song is taken from "40 Licks, german release" It is a very bad mono recording.
With standard profile i will get a average bitrate at 88k, using Xtreme it will be 103k.
I think i can hear a very hard distortion at the beginning of the track (first 3 seconds). the intro guitar sounds very hard an "high". imho the xtreme profile sounds better, but the distortion is audible for me on both profiles.
Can anyone approve my conclusion?
Edit:
I play my sounds with winamp 2.8 using mpc plug-in 0.97f. replay gain is off! i am not using a eq.
Full Version: Distortion on "Stones - Satisfaction"?
Could you make a clip of this (lossless, please)? It's hard to "approve your conclusion" without hearing it myself. Just a short WAV or APE would be great (just the first frew seconds).
Hi,
Ive transcoded this from MPC to MP3 for the portable (--alt preset 128). The original wave is not that great, the MPC is indistinguishable (to my ears), the MP3 fine for the portable but there is no "induced" distortion as far as I can hear.
Same MPC Encoder used, MP3 using LAME 3.90.2
auldyin
Ive transcoded this from MPC to MP3 for the portable (--alt preset 128). The original wave is not that great, the MPC is indistinguishable (to my ears), the MP3 fine for the portable but there is no "induced" distortion as far as I can hear.
Same MPC Encoder used, MP3 using LAME 3.90.2
auldyin
QUOTE(Nepomuk- @ Nov 26 2002 - 03:45 PM)
I think i can hear a very hard distortion at the beginning of the track (first 3 seconds). the intro guitar sounds very hard an "high". imho the xtreme profile sounds better, but the distortion is audible for me on both profiles.
Well, I think you should try to abx it to verify that you actually hear the distortion. If you do - share the sample with us. B)
I've uploaded the files:
coded with mpc 1.14b
Original WAV
coded with Radio Profile
coded with standard profile
coded with Xtreme profile
I hope it will work, it's only free-webspace. not very fast
coded with mpc 1.14b
Original WAV
coded with Radio Profile
coded with standard profile
coded with Xtreme profile
I hope it will work, it's only free-webspace. not very fast
QUOTE(Q! @ Nov 26 2002 - 05:59 AM)
QUOTE(Nepomuk- @ Nov 26 2002 - 03:45 PM)
I think i can hear a very hard distortion at the beginning of the track (first 3 seconds). the intro guitar sounds very hard an "high". imho the xtreme profile sounds better, but the distortion is audible for me on both profiles.
Well, I think you should try to abx it to verify that you actually hear the distortion. If you do - share the sample with us. B)
i think with "abx" you mean a blindtest, right?
i have allready do some blindtests on the file, but for me its herable. i am not 100% sure, but i think so.
I just listened to the files you uploaded, and the MPC standard profile sounds perfectly fine to me (didn't try either of the other MPCs). Anyone else hear any difference? BTW: Thanks for the quick response - that was incredibly fast!
I didn't hear any problems either (4/8).
I can ABX the radio encoding (on seconds 0.8 -2.1) :
Details for radio ABX test :
13/15 for the last attempts.
I didn't find any audible difference between original and --standard.
CODE
General Comments:
---------------------------------------
1R File: H:\-×× MPC ××-\sample internet ŕ vérifier\mpc std et extreme\mpc_4.wav
1R Rating: 3.0
1R Comment:
---------------------------------------
ABX Results:
Original vs H:\-×× MPC ××-\sample internet ŕ vérifier\mpc std et extreme\mpc_4.wav
22 out of 30, pval = 0.008
Original vs H:\-×× MPC ××-\sample internet ŕ vérifier\mpc std et extreme\mpc_5.wav
12 out of 22, pval = 0.416
---------------------------------------
1R File: H:\-×× MPC ××-\sample internet ŕ vérifier\mpc std et extreme\mpc_4.wav
1R Rating: 3.0
1R Comment:
---------------------------------------
ABX Results:
Original vs H:\-×× MPC ××-\sample internet ŕ vérifier\mpc std et extreme\mpc_4.wav
22 out of 30, pval = 0.008
Original vs H:\-×× MPC ××-\sample internet ŕ vérifier\mpc std et extreme\mpc_5.wav
12 out of 22, pval = 0.416
Details for radio ABX test :
CODE
0 of 1, p = 1.000
1 of 2, p = 0.750
2 of 3, p = 0.500
3 of 4, p = 0.313
3 of 5, p = 0.500
4 of 6, p = 0.344
4 of 7, p = 0.500
5 of 8, p = 0.363
6 of 9, p = 0.254
7 of 10, p = 0.172
7 of 11, p = 0.274
8 of 12, p = 0.194
8 of 13, p = 0.291
8 of 14, p = 0.395
9 of 15, p = 0.304
10 of 16, p = 0.227
11 of 17, p = 0.166
12 of 18, p = 0.119
13 of 19, p = 0.084
14 of 20, p = 0.058
15 of 21, p = 0.039
16 of 22, p = 0.026
16 of 23, p = 0.047
17 of 24, p = 0.032
18 of 25, p = 0.022
18 of 26, p = 0.038
19 of 27, p = 0.026
20 of 28, p = 0.018
21 of 29, p = 0.012
22 of 30, p = 0.008
1 of 2, p = 0.750
2 of 3, p = 0.500
3 of 4, p = 0.313
3 of 5, p = 0.500
4 of 6, p = 0.344
4 of 7, p = 0.500
5 of 8, p = 0.363
6 of 9, p = 0.254
7 of 10, p = 0.172
7 of 11, p = 0.274
8 of 12, p = 0.194
8 of 13, p = 0.291
8 of 14, p = 0.395
9 of 15, p = 0.304
10 of 16, p = 0.227
11 of 17, p = 0.166
12 of 18, p = 0.119
13 of 19, p = 0.084
14 of 20, p = 0.058
15 of 21, p = 0.039
16 of 22, p = 0.026
16 of 23, p = 0.047
17 of 24, p = 0.032
18 of 25, p = 0.022
18 of 26, p = 0.038
19 of 27, p = 0.026
20 of 28, p = 0.018
21 of 29, p = 0.012
22 of 30, p = 0.008
13/15 for the last attempts.
I didn't find any audible difference between original and --standard.
QUOTE(Chun-Yu @ Nov 26 2002 - 06:19 AM)
I just listened to the files you uploaded, and the MPC standard profile sounds perfectly fine to me (didn't try either of the other MPCs). Anyone else hear any difference? BTW: Thanks for the quick response - that was incredibly fast!
No problem
They all sound (no distortion) fine to me, except for mpc_4 which wouldn't play. I get this error: "Invalid or unknown MP+/MPC bitstream!!"
QUOTE(ger@co @ Nov 26 2002 - 08:19 PM)
They all sound (no distortion) fine to me, except for mpc_4 which wouldn't play. I get this error: "Invalid or unknown MP+/MPC bitstream!!"
hm, mpc_4 plays fine, maybe you are using a different plug-in?
QUOTE(Nepomuk- @ Nov 27 2002 - 11:22 AM)
hm, mpc_4 plays fine, maybe you are using a different plug-in?
Very likely. He needs one that supports PNS coding.
Download the plug-in 0.97f and refer to the List of recommended MPC settings for optimal configuration.
About the sample: Sorry, i tried to find a distortion with MPC 1.14 --standard for over 10 minutes now. I'm afraid i can't hear anything abnormal with it. Could you describe the artifact in greater detail?
CiTay: Thanks for the plugin. Now that it is working properly, I still can't hear any distortion in any of the files.
Later.
Later.
QUOTE(CiTay @ Nov 27 2002 - 03:52 PM)
Download the plug-in 0.97f and refer to the List of recommended MPC settings for optimal configuration.
Reading that could solve some problems. I found that just encoding in MPC and playing back results sometimes in big distortion due to clipping.
Setting the play back level to maybe -18 or applying replaygain and configure the plug-in to use it (I like that better) solved that problem.
--
Ge Someone
QUOTE(CiTay @ Nov 27 2002 - 08:31 AM)
About the sample: Sorry, i tried to find a distortion with MPC 1.14 --standard for over 10 minutes now. I'm afraid i can't hear anything abnormal with it. Could you describe the artifact in greater detail?
hm
i've done some test with the same sample and now i cant hear any difference. it's strange.
maybe my system caused the different result. I'm very sorry about the confusion.
i will test it again tomorrow, because i will archive my whole cd collection, and mpc seems to be the best choice for me.
i have never heard any difference between the original wav and mpc level 5. exception on the stones track, but this seems to be a thing of the past
i'am using mpc level 5 because its a good mixture of quality and space.
i don't feel up to to encode my collection with bitrates over 200kbit because its a very large collection and i will store up to 30 cd's on a dvd-r in cd-quality
HI Nepomuk,
I too was surprised ( as a serious Stones addict for more than 30 years) by the
very bad mono mix of satisfaction as well as other tracks on forty licks!
The original recording mix that appeared on "Out of our head" in 1965 and also on Hot Rock 1
was much better to me and was stereo. Although it was this kind of stereo that you find on
recording from the sixties with heavy channel separation.
The worth thing is that on the 'forty lick' mono mix you can't really hear the piano
on the original recording you can clearly hear the piano on the right channel
(think it was dear Ian Stewart)
My mpc --standard encoding of this track comes at 90 kbps. (1.1)
As for the distorsion I can't hear.
Christian
PS: To the moderator
OOpps Sorry I clicked on "report this post" before I clicked " Add a Reply"
I too was surprised ( as a serious Stones addict for more than 30 years) by the
very bad mono mix of satisfaction as well as other tracks on forty licks!
The original recording mix that appeared on "Out of our head" in 1965 and also on Hot Rock 1
was much better to me and was stereo. Although it was this kind of stereo that you find on
recording from the sixties with heavy channel separation.
The worth thing is that on the 'forty lick' mono mix you can't really hear the piano
on the original recording you can clearly hear the piano on the right channel
(think it was dear Ian Stewart)
My mpc --standard encoding of this track comes at 90 kbps. (1.1)
As for the distorsion I can't hear.
Christian
PS: To the moderator
OOpps Sorry I clicked on "report this post" before I clicked " Add a Reply"
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