More > JRiver Media Center 19 for Windows
NEW: Improved audio analysis and volume leveling (R128)
BabyFace:
I have two versions of Dire Straits / Brothers In Arms.
One version is the 2013 MFSL remaster and the other 24 bit 96khz.
Using "One World" as an example.
Dynamic Range
MFSL: 17
24bit96kHz: 11
The 24bit96kHz definitely sounds "louder" with volume leveling active (adaptive volume: OFF)
I don't have MC18 installed any longer so I can't compare to the old ReplyGain volume leveling.
It's not OMG louder, but it's noticeable when switching back and forth between tracks.
Is this normal for "Volume Leveling" when the DR is different?
6233638:
--- Quote from: rjm on September 20, 2013, 08:13:14 pm ---Have been analyzing for 3 days and have another 3 or 4 days to go. Here is an interim report.
Most dvds seem to analyze ok but I had a couple for which the status ran up to something like 200,000% before it completed successfully and changed to Done.
Am collecting a variety of audio and video files that error out when analyzed. Expect 50 or so out of 180,000 so not a problem that I care gets fixed. Does JRiver wish to chase these oddballs down or shall I drop the issue?
I did come across one mp3 album that consistently causes MC to crash during analysis. We should definitely chase this down but I will wait to see if there are any more like this before providing details.
--- End quote ---
It would probably be good if you could send samples to the JRiver team.
--- Quote from: BabyFace on September 22, 2013, 10:38:42 am ---I have two versions of Dire Straits / Brothers In Arms.
One version is the 2013 MFSL remaster and the other 24 bit 96khz.
Using "One World" as an example.
Dynamic Range
MFSL: 17
24bit96kHz: 11The 24bit96kHz definitely sounds "louder" with volume leveling active (adaptive volume: OFF)
I don't have MC18 installed any longer so I can't compare to the old ReplyGain volume leveling.
It's not OMG louder, but it's noticeable when switching back and forth between tracks.
Is this normal for "Volume Leveling" when the DR is different?
--- End quote ---
There are a couple of possibilities here.
1. Depending on how the albums are tagged, Media Center may be inadvertently treating both tracks as being from the same album, so they have a fixed correction. To check this, only have both versions of the same track in the "now playing" view, with the Volume Level (R128) information visible. Check that the tracks are using the correct level in the Audio Path window.
In my library, I use the Description field to specify the version of an album, which means that Media Center thinks they're from the same album, because its name is the same:
As you can see, when I add the CD track, the volume level for both is changed to −10 dB, even though the currently playing track should be +0.9 dB.
This results in the much better quality SACD track being played back 10.9 dB quieter than the CD one.
2. It's possible that the difference in dynamic range is large enough, that it's not possible for both tracks to perceptually sound the same. R128 does a really good job—better than ReplayGain ever did—but it may not be possible to level things exactly.
3. It may also be that you have run out of headroom, and require more than −23 LUFS allows for. (this is something that will hopefully be addressed in an update)
In your "now playing" view, add an expression column using:
--- Code: ---Delimit(if(isempty([Peak Level (R128)]),,formatnumber(math(removecharacters(left([Peak Level (R128)],5),/ /+,0)+RemoveCharacters([Volume Level (R128)],/ LU,0)+1),1)),/ dB,)
--- End code ---
If this is a positive number for any of the tracks, it means that more headroom is required for proper volume leveling.
BabyFace:
--- Quote from: 6233638 on September 22, 2013, 11:52:50 am ---
1. Depending on how the albums are tagged, Media Center may be inadvertently treating both tracks as being from the same album, so they have a fixed correction. To check this, only have both versions of the same track in the "now playing" view, with the Volume Level (R128) information visible. Check that the tracks are using the correct level in the Audio Path window.
--- End quote ---
Both albums had slightly different album names.
--- Quote ---2. It's possible that the difference in dynamic range is large enough, that it's not possible for both tracks to perceptually sound the same. R128 does a really good job—better than ReplayGain ever did—but it may not be possible to level things exactly.
3. It may also be that you have run out of headroom, and require more than −23 LUFS allows for. (this is something that will hopefully be addressed in an update)
In your "now playing" view, add an expression column using:
--- Code: ---Delimit(if(isempty([Peak Level (R128)]),,formatnumber(math(removecharacters(left([Peak Level (R128)],5),/ /+,0)+RemoveCharacters([Volume Level (R128)],/ LU,0)+1),1)),/ dB,)
--- End code ---
If this is a positive number for any of the tracks, it means that more headroom is required for proper volume leveling.
--- End quote ---
None are positive, but one was -2.7 ... (thanks for the expression)
I suspect as you say, it's just the limited dynamic range of the 24bit96kHz version compared to the MFSL version.
It really sucks that the people who do the "remastering" will limit the dynamic range. One simply can't know that a "24bit96kHz" album is any better than other versions. But LOL... I own the MFSL version and will be returning the 24bit96kHz version back to a friend... it was fun to compare. If there is a fidelity difference between these versions (other than DR) I can't hear it.
BabyFace:
--- Quote from: mojave on August 19, 2013, 03:59:27 pm ---Do you have very many real world examples in your library where the Peak Level (R128) doesn't have enough headroom to adjust for Volume Level (R128)? In my library of 6400 audio tracks I found just three and it only made a 1.6 dB or less difference. I also would never play back those tracks without the entire album so it wouldn't matter anyway. The one needing the most Volume Level (R128) measures 15.8 and it has a Peak Level (R128) of -15.1 dBTP. The actual adjustment is 14.1 dB.
Only 200 tracks of mine need a positive volume adjustment (.03%). Out of those 200, there are only 4 tracks that I would play in a mixed playlist.
--- End quote ---
None of mine are >= 0, but I have some that are -0.1
dtb300:
--- Quote from: 6233638 on September 22, 2013, 11:52:50 am ---3. It may also be that you have run out of headroom, and require more than −23 LUFS allows for. (this is something that will hopefully be addressed in an update)
--- End quote ---
Is this the same issue that may cause some music to clip?
I have one song (at least one that I noticed last night) that was hitting 100% when viewing the DSP window in setup. The only thing I had checked was Up-sampling, so I hit STOP, unchecked up-sampling, started the song again, and it still hit 100% quite often.
Running 19.0.38 with volume set to Internal.
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