Tools and other software Media-Buddy - the MKV Buddy successor. (2 Viewers)

mpsam

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June 16, 2009
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Thanks for the explanation. I have always used the 'dumb' Recode feature. I am actually looking at the wizards for the first time.

I have restarted using the wizard now.
 

Lehmden

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  • December 17, 2010
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    Hi.
    The normalization and the dynamic compression works so far. After a few tweaks to the parameters, VLC can now also handle the files. I'm doing my first hot test right now. On average, it takes a good 30 seconds to normalize a normal series episode. Of course, you can also have this done directly during processing by an assistant or during transcoding.
    It is in the nature of things that the sound has to be recoded during this operation. FFMpeg can read in pretty much anything, but there are limits when it comes to output. Because of this, the audio tracks only have a limited selection of codecs afterwards. Depending on the setting, an attempt is made to use the same codec (AC-3, DTS, ..) as for the input file. If this is not possible, the "fallback audio codec" set by the user is used. But you can also choose a fixed audio codec. You can choose from:

    AAC, AC-3 / E-AC-3, MP3, Flac, Opus, DTS and Dolby TrueHD

    Clipboard 1.jpg


    These codecs can also be selected as fallback. Bit rates, sampling rates and the number of channels are retained as far as possible. A little hint. If you enter Dolby TrueHD in the whitelist and thus always want to keep it as far as possible, you have to enter "MLP FBA" there. Because that is the Codec ID as it is issued by MediaInfo. There is also an odd thing about MP3. "Mpeg Audio" has to be entered in the whitelist.

    With E-AC-3 and AC-3, both must be entered separately in the whitelist. E-AC3 is also retained when normalizing, but cannot be selected as a "fixed" or "fallback" codec. Because the difference to "normal" AC-3 is only marginal. The only noticeable effect is that the E-AC-3 can only run on a fraction of the devices on which the AC-3 works perfectly. More than 99.9% of all people can't hear the difference.

    The normalization can be set by setting the peak value. This must be between 0 and 1. The best values are just under 1. Personally, I found 0.95 to be ideal, which is also the default value of FFMpeg. If you go even closer to 1, you can easily hear clipping in sensitive areas. Far below that, volume and dynamics are given away.

    The compression can be set in 4 levels or left completely. (Level 0) Whereby the two strongest levels 3 and above all 4 are already very violent and can lead to strange results. Either "Easy (1)" or "Medium (2)" are recommended. In the case of medium, the dialogues are audibly increased without the volume difference to e.g. explosions being flattened too much. But everyone has to find out for themselves how it best suits them at home. That's why you can stop it or switch it off completely.

    Normalization is available in the wizards and when transcoding videos. There is also a separate module to normalize videos. Nothing else is done here. So no optimizer functions, video is always copied, not changed, etc. This is primarily intended to quickly normalize already "finished" videos. If the videos still have to be processed anyway, you can better do that at the same time ...

    I'm not quite sure whether it makes sense to include normalization for music, i.e. pure audio files. Volume differences within an album are desired, if they exist. There are no such dramatic differences in music as there are in videos. Although, the whole thing can be switched off completely at any time, so ...

    Speaking of audio. I temporarily grayed out the metadata functions for music albums, i.e. deactivated them. After the last API change at TheAudioDB, this didn't work anymore anyway, because they hid the necessary function behind the paywall. The much more important enrichment with metadata and fanart for artists still works. Album information is available in the ID3 tags anyway. MP (or Kodi or Plex or, ...) can always read this information. Only the artist metadata cannot be saved in the Id3 tags.

    TVDB is not back yet, it will take some time.

    Let's see, maybe there will be a new version this week ...
     

    Lehmden

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    Hello.

    I am currently uploading the new version 1.0.0.20. It's extremely slow right now (for whatever reason), so it can still take a while. But I wanted to use the time to write the article. As soon as the upload is finished, I change the download link and the version number in the first posting. Oh yes, I built in normalization for music too. If you don't like that, you can easily switch it off and it is switched off by default. For videos, normalization is available for all wizards (series, feature films and other videos) as well as for the video transcoding module. Here it is activated by default with 0.95 as peak level and medium dynamic range compression (level 2). If you don't like these values, you just have to set it differently once. There is also an extra module that only normalizes the audio tracks. This is intended as a quick solution for videos that are actually already finished ... The settings for this can be found in Transcoding Videos and, as usual, have the same effect on the wizards ...

    Music normalization is available with the audio wizard and the audio transcoding module. The settings in the audio transcoding module are made here, as usual ...
     

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