View Issue Details
ID | Project | Category | View Status | Date Submitted | Last Update |
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0000668 | Cinelerra-GG | [All Projects] Bug | public | 2025-01-05 13:10 | 2025-01-25 17:19 |
Reporter | Nafnlaus | Assigned To | PhyllisSmith | ||
Priority | urgent | Severity | major | Reproducibility | always |
Status | acknowledged | Resolution | open | ||
Product Version | 2020-08 | ||||
Target Version | Fixed in Version | ||||
Summary | 0000668: Random audio pops make using Cinelerra-GG for mastering a maddening task (0000002) | ||||
Description | Probably relates to: https://www.cinelerra-gg.org/bugtracker/view.php?id=667 Version: CinGG-20241031-x86_64.AppImage (Fedora 41) This is possibly the same bug as the last one, only more egregious (though as it's more egregious, it was thankfully easier to track down and isolate). One track (no_vocals.flac) plays. It has two neutral equalizers. The second track (vocals_new.wav) *is muted* and should have zero impact; it shares one equalizer with the first track. Yet when the second (muted) track begins, there is a pop. If you do anything - shut off either or both equalizers, or disable play for the muted track, or outright delete it - the pop goes away. Two rendered examples are also included in the .xml file, one with the bug and one without the bug. Note that unlike the last bug, this one doesn't need to be rendered to appear - it occurs even when just playing the track in Cinelerra. Like with the last bug, since your maximum upload size is a mere 4,77MB, tracks are split and need to be catted back together to be recombined. | ||||
Steps To Reproduce | See above. | ||||
Additional Information | None | ||||
Tags | No tags attached. | ||||
@Nafnlaus @Andrew-R There is a native audio filter called Spectrogram in CinGG, but it has a lot of variables so I do not know how to use it. The FFmpeg showspectrum and showspectrumpic have been commented out in CinGG due to input/output error. I will see if I can find variables that make them work (the problem may be that it requires a file name to put the output on, like a png, and Cinelerra has no way to interact with that) There is also commentary in 667, but I have tried the FFmpeg flac with the same results as the native flac for loading AND rendering. Note to Andrew specifically -- I converted loop_contact.flac to loop_contact.wav via external ffmpeg, but have not been able to determine if bug still there by comparing the waves because the original audio wave is different (still working on this though). Actually in 667, Nafnlaus says "converting loop_concat in my main project to wav, and rendering to wav "does NOT have the problem. But if he uses the flac and renders to wav, it does have the bug. |
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There is no big FFMpeg button in the main window, but I did find what you were referring to (a tiny button in the upper right of green, white and black diagonal lines). No impact. I did try replacing no_vocals with the output of: sox -n -r 44100 -c 2 sine.flac synth 480 sine 440 sine 445 vol 0.2 The pop persists, but it doesn't make the pop more visible. The easiest way to see the pop is on a spectrogram, such as from Audacity, but there's no option in Cinelerra for that. |
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@Nafnlaus by decoder preferences I mean big FFmpeg button in main window. You can click it and Cingg will try to use built-in (old) flac decoder instead of ffmpeg's one. Can you retry with simple artifically generated sine wave? I hope we can guess what going on by looking at how deformed this simpke waveform become. |
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@Andrew-R Oh, sorry - I was just checking up these bugs, and I noticed that you replied weeks ago; I never saw the notification! The bug not only appears at other sample rates, but the pop becomes more prominent at e.g. 48k than 44,1k. I don't know what you mean by "change decoder preference". Are you talking about rendering? This bug (unlike the other one) occurs even during playback within the app, not just during rendering. |
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@Nafnlaus, does bug apper at another project samplerates? I think files will be smaller if it occur all way down to 8khz or so. Also, does bug occur if you change decoder preference away from ffmpeg first? |
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no_vocals.flac.pt7 (738,410 bytes) vocals_new.flac.pt5 (4,696,706 bytes) vocals_new.flac.pt4 (4,608,000 bytes) vocals_new.flac.pt3 (4,608,000 bytes) vocals_new.flac.pt2 (4,608,000 bytes) no_vocals.flac.pt4 (4,608,000 bytes) no_vocals.flac.pt5 (4,608,000 bytes) no_vocals.flac.pt6 (4,608,000 bytes) altman_bug.xml (12,507 bytes) no_vocals.flac.pt1 (4,608,000 bytes) no_vocals.flac.pt2 (4,608,000 bytes) no_vocals.flac.pt3 (4,608,000 bytes) altman_withbug.wav (624,792 bytes) altman_withoutbug.wav (624,792 bytes) |
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Date Modified | Username | Field | Change |
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2025-01-05 13:10 | Nafnlaus | New Issue | |
2025-01-05 13:10 | Nafnlaus | File Added: altman_withbug.wav | |
2025-01-05 13:10 | Nafnlaus | File Added: altman_withoutbug.wav | |
2025-01-05 13:10 | Nafnlaus | File Added: altman_bug.xml | |
2025-01-05 13:10 | Nafnlaus | File Added: no_vocals.flac.pt1 | |
2025-01-05 13:10 | Nafnlaus | File Added: no_vocals.flac.pt2 | |
2025-01-05 13:10 | Nafnlaus | File Added: no_vocals.flac.pt3 | |
2025-01-05 13:10 | Nafnlaus | File Added: no_vocals.flac.pt4 | |
2025-01-05 13:10 | Nafnlaus | File Added: no_vocals.flac.pt5 | |
2025-01-05 13:10 | Nafnlaus | File Added: no_vocals.flac.pt6 | |
2025-01-05 13:10 | Nafnlaus | File Added: no_vocals.flac.pt7 | |
2025-01-05 13:10 | Nafnlaus | File Added: vocals_new.flac.pt5 | |
2025-01-05 13:10 | Nafnlaus | File Added: vocals_new.flac.pt4 | |
2025-01-05 13:10 | Nafnlaus | File Added: vocals_new.flac.pt3 | |
2025-01-05 13:10 | Nafnlaus | File Added: vocals_new.flac.pt2 | |
2025-01-06 19:42 | PhyllisSmith | Assigned To | => PhyllisSmith |
2025-01-06 19:42 | PhyllisSmith | Status | new => acknowledged |
2025-01-06 22:13 | Andrew-R | Note Added: 0005733 | |
2025-01-25 12:55 | Nafnlaus | Note Added: 0005745 | |
2025-01-25 13:07 | Andrew-R | Note Added: 0005746 | |
2025-01-25 14:38 | Nafnlaus | Note Added: 0005747 | |
2025-01-25 17:10 | PhyllisSmith | Note Added: 0005748 | |
2025-01-25 17:19 | PhyllisSmith | Note Edited: 0005748 | View Revisions |