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3rd Party Plugins - (fb2k) / Re: foo_truepeak True Peak Scanner
Last post by ngs428 -Hi
May I ask only 2 questions ?
1) what could i do with all the information provided by the True Peak Scanner component ?
I mean should I use them with some normalization /replay gain or components or foobar features?
2) are there some old version avaible ? I liked the first version
I don't see any old versions available. Not sure what you like better in those? In the settings in the latest version you can turn on and off anything you want.
There is a lot of info. I have a post a few back which outlines some definitions for the scanned values. The ones in bold below ar ethe ones I care about most and have added them as a column in my Foobar playlist. I slightly revised it and pasted it here:
1. Track and Album Peak- This is the common RG value. Very short-lived peaks in the audio. Can be used to prevent gain adjustments from inducing clipping in the playback device. True Peaks: Overshoots that can occur when the D/A converter is recreating the analog waveform, that don't normally show as peaks in the DAW. These become more likely the more something is smashed up near 0 dBFS and basically not going to happen if you aren't getting that close to 0.
2. Track and Album Gain - This is the common RG value in dB. ReplayGain-capable audio players use the replay gain metadata to automatically attenuate or amplify the signal on a per-track or per-album basis such that tracks or albums play at a similar loudness level
3. Track and Album LRA - Loudness Range in Loudness Units (LU). Measures the variation of loudness across a song or album. LRA values can show whether a song has a continuously constant loudness (low LRA values) or a high variation between low and high level components (high LRA values). A complex algorithm measures loudness, analyzes how it's distributed throughout a song, determines a song's dynamics properties, and represents that with a number. The lower the number, the less dynamics. (Note that this is not about dynamic range, but rather, musical dynamics.)
4. Track and Album Max LUFS-M - Momentary (0.4 seconds) measurement, as opposed to "I" which is the whole song. The shown values are the highest readings recorded inside the track. Currently values are checked every 100 ms.
5. Track and Album Max LUFS-S - Short Term (3 seconds) measurement, as opposed to "I" which is the whole song. The shown values are the highest readings recorded inside the track. Currently values are checked every 100 ms.
6. Track and Album LUFS-I - Similar to RG. Measures perceived loudness of the entire song. The foobar2000's ReplayGain scanner in EBU mode has always calculated LUFS-I value, it is just converted into ReplayGain's format with a simple formula. Nothing has changed in ReplayGain or its behavior. I just added ability to show and tag this field for people who want to see it.
7. Track and Album PLR – Peak to long-term Loudness Ratio (PLR) is the difference between a signal's maximum true-peak level and its program loudness level. It's a long-term measurement that provides an overall value for a song, album, or section of audio. PLR is also known as the crest factor and is often used to describe a track's dynamics. Larger the number the more dynamic the track is.
8. Track and Album DR - The distance in dB between the softest sound and the loudest sound.
9. Track and Album Clipped Samples - Any sample value that is beyond digital full-scale. One clipping sample means that only one channel clipped. If same spot clipped on all channels of a 384-channel recording, it would be shown as 384 clipped samples. If your file has 1 clipping sample it means it has a single peak above digital full-scale and only on one channel. Just knowing that samples clip doesn't yet tell how bad it is. Exceeding the full scale by 0.1 dB would not matter at all, but exceeding it by 3 dB could be a problem.
10. Peak Timestamp - Time in track which contains the highest peak value.