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Topic: foo_loudness_peakmeter 2.x.x.x feature requests (Read 2162 times) previous topic - next topic - Topic derived from Re: foo_loudness_peak...
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foo_loudness_peakmeter 2.x.x.x feature requests

BTW, to not clutter this thread like I did on a forum thread for foo_enhanced_spectrum_analyzer component, I had to create a separate thread if I continue posting almost endless FRs
Here we go, another FR thread (same as the last FR thread) but this time, for @Crossover's other component Loudness Peakmeter (foo_loudness_peakmeter):
  • An option to hide time/amplitude graphs
  • Alternate ways for graph to move, like true static scroll mode like in foobar2000's built-in Spectrogram visualization as well as right-to-left scrolling, again like the built-in spectrogram visualization
  • Upgrade "Loudness Peakmeter" area into actual loudness meter with momentary, short-term, integrated, and LRA bars appearing at once
  • I know it is definitely possible to run infinite average level metering at 60fps as in my AudioWorklet-based peakmeter, so I would for consistency with others, increase the update rate for both LRA and integrated loudness to same as the rest (something like 60fps, 120fps, or above)
  • A feature to show Peak/RMS meter bars like foo_uie_peakmeter but with an optional feature to also display Mid/Side representations for each channel pairs and can be easily combined with LUFS meter bars
    • A true peak bar showing on top of sample peak bar would be cool with separate clipping indicators (orange for ISP clipping and red for sample clipping)
    • Also an option to display crest factor for each channel and optionally its M/S representations
    • A phase correlation and stereo balance meter like this one
    • Bonus: Optionally includes infinite average level meter (not the same as integrated LUFS metering) that determine the RMS level over the entire song since playback start or last seek

I hope that Loudness Peakmeter (foo_loudness_peakmeter) gets a similar significant update and/or redesign as Enhanced Spectrum analyzer (foo_enhanced_spectrum_analyzer) component

Re: foo_loudness_peakmeter 2.x.x.x feature requests

Reply #1
A new audio impact plotter graph thing in Vizzy made me think about drawing modes for the graph part of the Loudness Peakmeter (foo_loudness_peakmeter) component, which is stroke drawing mode, which I already have and used on my own audio spectrum analyzer and spectrogram project

X

Also, since I've wanted to see true peaks in a graph (while still showing sample peaks), I'd prefer the "shaded" drawing (similar to a spectrum analyzer thing found in iZotope Ozone 5) where the main one above shaded one is a true (4x or 8x oversampled) peak, and the latter one is a sample (no oversampling) peak, and I wanted the graph to optionally show both sample and intersample clipping at the same time where orange and red area in the graph are intersample and sample peaks exceeding 0dBFS line respectively

 

Re: foo_loudness_peakmeter 2.x.x.x feature requests

Reply #2
How about Leq(a), Leq(m), or something like that? Could be either a new bar visualization showing current Leq levels in an upcoming Loudness Peakmeter 2.0.0.0 component, or something that replaces K-weighting with other weighting types in a loudness meter?

Basically, the LUFS meter is just Leq(k), which is K-weighted RMS meter and I'm sure there are other frequency weighting types like A, B, C, D, and M that can be useful (e.g. using A-weighting instead of K-weighting on a loudness peakmeter to simulate what would the level of mic input close to a "standard" but cheap loudspeaker on PC would look like, albeit inaccurately and excludes background noise not coming from speakers entirely)

BTW, if you don't know about Leq, it is equivalent continuous sound level, which is used to measure noise levels on the environment as well as how loud movie trailers it really is (so long as it is properly calibrated)