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21
General Audio / Re: Equalise Volumes via dbPoweramp (-db) & wxMp3gain (+db) conversion
Last post by Markuza97 -
How?

If this forum had awards, I would nominate lvqcl's post as post of the year. Seriously, one of the best answers I have ever seen.

1 Celsius is equal to 1 Kelvin.

Every temperature increase by 1 Celsius means that temperature also increased by 1 Kelvin.
Every temperature decrease by 1 Celsius means that temperature also decreased by 1 Kelvin.

It's just that 0 degrees Celsius is equal to 273 Kelvin.
1 degree Celsius is 274 Kelvin.
2 degrees Celsius is 275 Kelvin.

Always the same, just the scale is different.

Same with music.
1 dB is equal to 1 LUFS.

85 dB = -22 LUFS
86 dB = -21 LUFS
87 dB = -20 LUFS
88 dB = -19 LUFS
89 dB = -18 LUFS
90 dB = -17 LUFS
91 dB = -16 LUFS
92 dB = -15 LUFS
93 dB = -14 LUFS

It always goes by 1 dB or 1 LUFS. Only the scale is different.
22
3rd Party Plugins - (fb2k) / Re: Playlist-Manager-SMP
Last post by jotti -
Ok, I downgraded SMP to 1.5.2, and I re-installed the latest version* in the -I think- right path (C:\Users\andre\AppData\Roaming\foobar2000\scripts\SMP\xxx-scripts), but the problem is still there, and nothing loads.

*Be patient, I don't really know what "from commits" means... I just downloaded the zip from here (https://github.com/regorxxx/Playlist-Manager-SMP), green button "code", "Download ZIP"
24
3rd Party Plugins - (fb2k) / Re: Playlist-Manager-SMP
Last post by regor -
Hi Regor,
I bypassed the relative paths error just replacing them with absolute paths (as suggested by this user), but it still fails to load, this time displaying this message:

Code: [Select]
Error: Spider Monkey Panel v1.6.1-dev+757cb073 (Playlist Manager: Playlist Manager v0.2 by XXX)
this.properties.bBOM is undefined

File: playlist_manager_list.js
Line: 1831, Column: 2
Stack trace:
  _list@playlist_manager_list.js:1831:2
  @:79:12

I tried some digging here but couldn't find anyone with the same error. Any guess?
Are you using the latest version? (from commits) Have you installed it at the right path (see installation txt file)?

Your error happens at the beginning of panel loading about a missing property on the panel, so that points to an installation problem. Try re-downloading the files.

Also SMP 1.6.0 is a broken release and I'm not supporting dev releases like 1.6.1 until it has been fixed, the SMP repository recommends to use 1.5.2 and that's what I support. Maybe that's your problem.

EDIT:  btw the user's comment you pointed to has a wrong installation path... so maybe that was also his problem. Please take a look at the installation file.
25
3rd Party Plugins - (fb2k) / Re: Playlist-Manager-SMP
Last post by jotti -
Hi Regor,
I bypassed the relative paths error just replacing them with absolute paths (as suggested by this user), but it still fails to load, this time displaying this message:

Code: [Select]
Error: Spider Monkey Panel v1.6.1-dev+757cb073 (Playlist Manager: Playlist Manager v0.2 by XXX)
this.properties.bBOM is undefined

File: playlist_manager_list.js
Line: 1831, Column: 2
Stack trace:
  _list@playlist_manager_list.js:1831:2
  @:79:12

I tried some digging here but couldn't find anyone with the same error. Any guess?
27
General Audio / Re: Equalise Volumes via dbPoweramp (-db) & wxMp3gain (+db) conversion
Last post by hmp -
Hello!

89 dB is the reference number. Every single time you add ReplayGain tags it will target 89 dB.
You cannot change that reference number. This ensures that every single person on this planet will have equally loud files.


Okay, thank you for this much needed step-by-step thought process. I tried an experiment. I found and copied an mp3 that wxmp3gain reported as being 85db. I used dbpoweramp to convert it to mp3 again (it's probably a lossy conversion, but who cares, it's just a for experiment) and set the replaygain meter to 0db. When I imported this adjusted mp3, wxmp3gain reported it as 89db.

Although I haven't tried this experiment with foobar (because using wxmp3gain, I can be sure there is no quality loss, and I'm concerned of lossy conversion when I actually commit my mp3 & FLAC library if I use foobar for the conversion), this experiment proves to me that a replaygain slider set at 0db in foobar and dbpoweramp (and maybe others too) are a reference for the hard default 89db (as you explained above).

I still don't understand how 1db = 1LUFS, because if that were true, 93db would equal 93LUFS, as opposed to -14LUFS.

Thanks for the Poikosoft tool you screenshotted. It looks like a conversion chart I've been searching for!
Where can I download it?
Is it a lossless normalizer?
29
General Audio / Re: Equalise Volumes via dbPoweramp (-db) & wxMp3gain (+db) conversion
Last post by Markuza97 -
Hello!

89 dB is the reference number. Every single time you add ReplayGain tags it will target 89 dB.
You cannot change that reference number. This ensures that every single person on this planet will have equally loud files.

Take a look at this photo.



As you can see, it is called Preamp. This tool does exactly what it says - it acts as a preamp.

Since we know that ReplayGain targets 89 dB, and we want 93 dB, we simply have to add +4 dB to it.

If you decided to add +4 dB to files without ReplayGain info, then all of your files will be +4 dB louder
This is dumb because you have no idea how loud your files actually are.

1 dB is equal to 1 LUFS in this case.
89 dB is equal to -18 LUFS.
If you want 86 dB, then you will need -3 dB (89 - 3 = 86) or -3 LUFS (-18 - 3 = -21 LUFS)
If you want 93 dB, then you will need +4 dB (89 + 4 = 93) or +4 LUFS (-18 + 4 = -14 LUFS)

Edit: I just Googled to see how other software does it. This tool by Poikosoft looks very nice.



Maybe you can ask foobar2000 developers if they can implement similar scale to this.
30
General Audio / Re: Equalise Volumes via dbPoweramp (-db) & wxMp3gain (+db) conversion
Last post by hmp -
...By scanning your file, the program will analyze how loud your track is. Let's say that your track is 96 dB / -11 LUFS loud.
Program will then write that your file needs to be adjusted by -7 dB / -7 LUFS.

You can then setup in foobar's playback settings to apply +4 dB / +4 LUFS to target the 93 dB / -14 LUFS.

How did you calculate that ALL your tracks needed to be loudened by +4db in order for them to reach the same target of 93db?
Also, where can I find all the equivalents for these 2 units of measurement (LUFS to Replay Gain Classic and Replay Gain Classic to LUFS)?
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