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6th July 2006, 06:12 | #1 | Link |
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Join Date: Nov 2003
Posts: 29
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Bug in azid makes LOUD noises in start/end of soundtrack
I got this ac3 movie soundtrack.
when i play the file in MPC, the file plays fine with god volume and no noise. But this is what happens when i try to decode to PCM .wav with azid 1.9 E:\DVD-rip\Macross Plus>azid_P4.exe -a -c normal -s dpl2 -F wav24 00.ac3 00.ac3.wav Azid AC3 Decoder 1.9 (build 922) -- for Intel Pentium 4 Copyright (C) 1997-2003 By Midas <midas@egon.gyaloglo.hu> [00:00:00.000] +------------------------------+ [00:00:00.000] | | [00:00:00.000] | AC-3 DECODER CORE | [00:00:00.000] | v1.9 (b922) | [00:00:00.000] | for Intel Pentium 4 | [00:00:00.000] | | [00:00:00.000] | (C) 1997-2003 By Midas | [00:00:00.000] | <midas@egon.gyaloglo.hu> | [00:00:00.000] +------------------------------+ [00:00:00.000] +------ SETTINGS ----- [00:00:00.000] | Input channel configuration: [00:00:00.000] | Left : None compression, +0dB gain [00:00:00.000] | Center : None compression, +0dB gain [00:00:00.000] | Right : None compression, +0dB gain [00:00:00.000] | Sur Left : None compression, +0dB gain [00:00:00.000] | Sur Right: None compression, +0dB gain [00:00:00.000] | LFE : None compression, +0dB gain [00:00:00.000] | Output configuration: 2/0 [00:00:00.000] | Ch0 [Left ]: Normal compression, +0dB gain [00:00:00.000] | Ch1 [Right ]: Normal compression, +0dB gain [00:00:00.000] | Output Dual mono mode: Stereo [00:00:00.000] | Output Stereo mode: Dolby Pro Logic II [00:00:00.000] | LFE levels: To LR -3.0dB, To LFE -INF [00:00:00.000] | Center mix level: BSI [00:00:00.000] | Surround mix level: BSI [00:00:00.000] | Dialog normalization: No [00:00:00.000] | Rear channels filtering: No [00:00:00.000] +--------------------- [00:00:00.000] +------ BSI ----- [00:00:00.000] | Bitrate: 448 kbit (48 kHz) [00:00:00.000] | Mode: Complete Main (CM) [00:00:00.000] | Audio mode: 3/2 L,C,R,SL,SR+LFE [00:00:00.000] | Center mix level: -6.0dB [00:00:00.000] | Surround mix level: +0dB [00:00:00.000] | Dialogue level: -27dB [00:00:00.000] | Stream: Copyright protected, Original stream [00:00:00.000] +---------------- [00:00:00.000] W7: Downmix overflow (0: +12.2dB) [00:00:00.005] W7: Downmix overflow (1: +18.2dB) [00:00:00.010] W7: Downmix overflow (0: +16.5dB) [00:00:00.016] W7: Downmix overflow (1: +19.8dB) [00:00:00.021] W7: Downmix overflow (0: +16.1dB) [00:00:00.026] W7: Downmix overflow (1: +15.6dB) [00:00:00.032] W7: Downmix overflow (0: +17.7dB) [00:00:00.037] W7: Downmix overflow (1: +18.2dB) [00:00:00.042] W7: Downmix overflow (0: +16.5dB) [00:00:00.048] W7: Downmix overflow (1: +19.8dB) [00:00:00.053] W7: Downmix overflow (0: +16.1dB) [00:00:00.058] W7: Downmix overflow (1: +15.6dB) [00:00:00.064] W7: Downmix overflow (0: +17.7dB) [00:00:00.069] W7: Downmix overflow (1: +18.2dB) [00:00:00.074] W7: Downmix overflow (0: +16.5dB) [00:00:00.080] W7: Downmix overflow (1: +19.8dB) [00:00:00.085] W7: Downmix overflow (0: +16.1dB) [00:00:00.090] W7: Downmix overflow (1: +15.6dB) [00:00:00.096] W7: Downmix overflow (0: +17.7dB) [00:00:00.101] W7: Downmix overflow (1: +18.2dB) [00:00:00.106] W7: Downmix overflow (0: +16.5dB) [00:00:00.112] W7: Downmix overflow (1: +19.8dB) [00:00:00.117] W7: Downmix overflow (0: +16.1dB) [00:00:00.122] W7: Downmix overflow (1: +15.6dB) [00:00:00.128] W7: Downmix overflow (0: +17.7dB) [00:00:00.133] W7: Downmix overflow (1: +18.2dB) [00:00:00.138] W7: Downmix overflow (0: +16.5dB) [00:00:00.144] W7: Downmix overflow (1: +19.8dB) [00:00:00.149] W7: Downmix overflow (0: +16.1dB) [00:00:00.154] W7: Downmix overflow (1: +15.6dB) [00:00:00.160] W7: Downmix overflow (0: +17.7dB) [00:00:00.165] W7: Downmix overflow (1: +18.2dB) [00:00:00.170] W7: Downmix overflow (0: +16.5dB) [00:00:00.176] W7: Downmix overflow (1: +19.8dB) [00:00:00.181] W7: Downmix overflow (0: +16.1dB) [00:00:00.186] W7: Downmix overflow (1: +15.6dB) [00:00:00.192] W7: Downmix overflow (0: +17.7dB) [00:00:00.197] W7: Downmix overflow (1: +18.2dB) [00:00:00.202] W7: Downmix overflow (0: +16.5dB) [00:00:00.208] W7: Downmix overflow (1: +19.8dB) [00:00:00.213] W7: Downmix overflow (0: +16.1dB) [00:00:00.218] W7: Downmix overflow (1: +15.6dB) [00:00:00.224] W7: Downmix overflow (0: +17.7dB) [00:00:00.229] W7: Downmix overflow (1: +18.2dB) [00:00:00.234] W7: Downmix overflow (0: +16.5dB) [00:00:00.240] W7: Downmix overflow (1: +19.8dB) [00:00:00.245] W7: Downmix overflow (0: +16.1dB) [00:00:00.250] W7: Downmix overflow (1: +15.6dB) [00:00:00.256] W7: Downmix overflow (0: +17.7dB) [00:00:00.261] W7: Downmix overflow (1: +18.2dB) [00:00:00.266] W7: Downmix overflow (0: +16.5dB) [00:00:00.272] W7: Downmix overflow (1: +19.8dB) [00:00:00.277] W7: Downmix overflow (0: +16.1dB) [00:00:00.282] W7: Downmix overflow (1: +15.6dB) [00:00:00.288] W7: Downmix overflow (0: +17.7dB) [00:00:00.293] W7: Downmix overflow (1: +18.2dB) [00:00:00.298] W7: Downmix overflow (0: +16.5dB) [00:00:00.304] W7: Downmix overflow (1: +19.8dB) [00:00:00.309] W7: Downmix overflow (0: +16.1dB) [00:00:00.314] W7: Downmix overflow (1: +15.6dB) [00:00:00.320] W7: Downmix overflow (0: +17.7dB) [00:00:00.325] W7: Downmix overflow (1: +18.2dB) [00:00:00.330] W7: Downmix overflow (0: +16.5dB) [00:00:00.336] W7: Downmix overflow (1: +19.8dB) [00:00:00.341] W7: Downmix overflow (0: +16.1dB) [00:00:00.346] W7: Downmix overflow (1: +15.6dB) [00:00:00.352] W7: Downmix overflow (0: +17.7dB) [00:00:00.357] W7: Downmix overflow (1: +18.2dB) [00:00:00.362] W7: Downmix overflow (0: +16.5dB) [00:00:00.368] W7: Downmix overflow (1: +19.8dB) [00:00:00.373] W7: Downmix overflow (0: +16.1dB) [00:00:00.378] W7: Downmix overflow (1: +15.6dB) [00:00:00.384] W7: Downmix overflow (0: +17.7dB) [00:00:00.389] W7: Downmix overflow (1: +18.2dB) [00:00:00.394] W7: Downmix overflow (0: +16.5dB) [00:00:00.400] W7: Downmix overflow (1: +19.8dB) [00:00:00.405] W7: Downmix overflow (0: +16.1dB) [00:00:00.410] W7: Downmix overflow (1: +15.6dB) [00:00:00.416] W7: Downmix overflow (0: +17.7dB) [00:00:00.421] W7: Downmix overflow (1: +18.2dB) [00:00:00.426] W7: Downmix overflow (0: +16.5dB) [00:00:00.432] W7: Downmix overflow (1: +19.8dB) [00:00:00.437] W7: Downmix overflow (0: +16.1dB) [00:00:00.442] W7: Downmix overflow (1: +15.6dB) [00:00:00.448] W7: Downmix overflow (0: +17.7dB) [00:00:00.453] W7: Downmix overflow (1: +18.2dB) [00:00:00.458] W7: Downmix overflow (0: +16.5dB) [00:00:00.464] W7: Downmix overflow (1: +19.8dB) [00:00:00.469] W7: Downmix overflow (0: +16.1dB) [00:00:00.474] W7: Downmix overflow (1: +15.6dB) [00:00:00.480] W7: Downmix overflow (0: +17.7dB) [00:00:00.485] W7: Downmix overflow (1: +18.2dB) [00:00:00.490] W7: Downmix overflow (0: +16.5dB) [00:00:00.496] W7: Downmix overflow (1: +19.8dB) [00:00:00.501] W7: Downmix overflow (0: +16.1dB) [00:00:00.506] W7: Downmix overflow (1: +15.6dB) [00:00:00.512] W7: Downmix overflow (0: +17.7dB) [00:00:00.517] W7: Downmix overflow (1: +18.2dB) [00:00:00.522] W7: Downmix overflow (0: +16.5dB) [00:00:00.528] W7: Downmix overflow (1: +19.8dB) [00:00:00.533] W7: Downmix overflow (0: +16.1dB) [00:00:00.538] W7: Downmix overflow (1: +15.6dB) [00:00:00.544] W7: Downmix overflow (0: +17.7dB) [00:00:00.549] W7: Downmix overflow (1: +18.2dB) [00:00:00.554] W7: Downmix overflow (0: +16.5dB) [00:00:00.560] W7: Downmix overflow (1: +19.8dB) [00:00:00.565] W7: Downmix overflow (0: +16.1dB) [00:00:00.570] W7: Downmix overflow (1: +15.6dB) [00:00:00.576] W7: Downmix overflow (0: +17.7dB) [00:00:00.581] W7: Downmix overflow (1: +18.2dB) [00:00:00.586] W7: Downmix overflow (0: +16.5dB) [00:00:00.592] W7: Downmix overflow (1: +19.8dB) [00:00:00.597] W7: Downmix overflow (0: +16.1dB) [00:00:00.602] W7: Downmix overflow (1: +15.6dB) [00:00:00.608] W7: Downmix overflow (0: +17.7dB) [00:00:00.613] W7: Downmix overflow (1: +18.2dB) [00:00:00.618] W7: Downmix overflow (0: +16.5dB) [00:00:00.624] W7: Downmix overflow (1: +19.8dB) [00:00:00.629] W7: Downmix overflow (0: +16.1dB) [00:00:00.634] W7: Downmix overflow (1: +15.6dB) [00:00:00.640] W7: Downmix overflow (0: +17.7dB) [00:00:00.645] W7: Downmix overflow (1: +18.2dB) [00:00:00.650] W7: Downmix overflow (0: +16.5dB) [00:00:00.656] W7: Downmix overflow (1: +19.8dB) [00:00:00.661] W7: Downmix overflow (0: +16.1dB) [00:00:00.666] W7: Downmix overflow (1: +15.6dB) [00:00:00.672] W7: Downmix overflow (0: +22.7dB) [00:38:56.640] W7: Downmix overflow (0: +12.2dB) [00:38:56.645] W7: Downmix overflow (1: +18.2dB) [00:38:56.650] W7: Downmix overflow (0: +16.5dB) [00:38:56.656] W7: Downmix overflow (1: +19.8dB) [00:38:56.661] W7: Downmix overflow (0: +16.1dB) [00:38:56.666] W7: Downmix overflow (1: +15.6dB) [00:38:56.672] W7: Downmix overflow (0: +17.7dB) [00:38:56.677] W7: Downmix overflow (1: +18.2dB) [00:38:56.682] W7: Downmix overflow (0: +16.5dB) [00:38:56.688] W7: Downmix overflow (1: +19.8dB) [00:38:56.693] W7: Downmix overflow (0: +16.1dB) [00:38:56.698] W7: Downmix overflow (1: +15.6dB) [00:38:56.704] +------ STATS ----- [00:38:56.704] | Decoded frames: 73022 [00:38:56.704] | Peak signal level: +22.7dB [00:38:56.704] | Ch0: +22.7dB - 22632 overflows [00:38:56.704] | Ch1: +19.8dB - 21807 overflows [00:38:56.704] +------------------ [00:00:00.000] +------ SETTINGS ----- [00:00:00.000] | Input channel configuration: [00:00:00.000] | Left : None compression, +0dB gain [00:00:00.000] | Center : None compression, +0dB gain [00:00:00.000] | Right : None compression, +0dB gain [00:00:00.000] | Sur Left : None compression, +0dB gain [00:00:00.000] | Sur Right: None compression, +0dB gain [00:00:00.000] | LFE : None compression, +0dB gain [00:00:00.000] | Output configuration: 2/0 [00:00:00.000] | Ch0 [Left ]: Normal compression, -22.7dB gain [00:00:00.000] | Ch1 [Right ]: Normal compression, -22.7dB gain [00:00:00.000] | Output Dual mono mode: Stereo [00:00:00.000] | Output Stereo mode: Dolby Pro Logic II [00:00:00.000] | LFE levels: To LR -3.0dB, To LFE -INF [00:00:00.000] | Center mix level: BSI [00:00:00.000] | Surround mix level: BSI [00:00:00.000] | Dialog normalization: No [00:00:00.000] | Rear channels filtering: No [00:00:00.000] +--------------------- [00:00:00.000] +------ BSI ----- [00:00:00.000] | Bitrate: 448 kbit (48 kHz) [00:00:00.000] | Mode: Complete Main (CM) [00:00:00.000] | Audio mode: 3/2 L,C,R,SL,SR+LFE [00:00:00.000] | Center mix level: -6.0dB [00:00:00.000] | Surround mix level: +0dB [00:00:00.000] | Dialogue level: -27dB [00:00:00.000] | Stream: Copyright protected, Original stream [00:00:00.000] +---------------- [00:38:56.704] +------ STATS ----- [00:38:56.704] | Decoded frames: 73022 [00:38:56.704] | Peak signal level: +0dB [00:38:56.704] | Ch0: +0dB [00:38:56.704] | Ch1: -2.8dB [00:38:56.704] +------------------ as you can see. Domething with A LOT of volume seems to be there in the start and the end according to aizd. Playing back the PCM .wav gives offcouse a very low volume due to the volume adjustments. but also the file has a noise in the start and end that mpc didn't produce when playing the ac3 file. Is there a way to fix this. or to replace the firts and last couples of frames with "empty" ones?
__________________
Sven Bent - Denmark |
14th February 2012, 21:06 | #2 | Link |
Observer
Join Date: Jul 2008
Location: Kingston, Jamaica.
Posts: 113
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True issue.
I can confirm this issue. However, it seems to be an issue with only a small number of AC3's. I've processed plenty, and this is the first where the issue is found.
Code:
X:\MYDVD>azid.exe AudioFile_81.ac3 audio.wav Azid AC3 Decoder 1.9 (build 922) Copyright (C) 1997-2003 By Midas <midas@egon.gyaloglo.hu> [00:00:00.000] +------------------------------+ [00:00:00.000] | | [00:00:00.000] | AC-3 DECODER CORE | [00:00:00.000] | v1.9 (b922) | [00:00:00.000] | | [00:00:00.000] | (C) 1997-2003 By Midas | [00:00:00.000] | <midas@egon.gyaloglo.hu> | [00:00:00.000] +------------------------------+ [00:00:00.000] +------ SETTINGS ----- [00:00:00.000] | Input channel configuration: [00:00:00.000] | Left : None compression, +0dB gain [00:00:00.000] | Center : None compression, +0dB gain [00:00:00.000] | Right : None compression, +0dB gain [00:00:00.000] | Sur Left : None compression, +0dB gain [00:00:00.000] | Sur Right: None compression, +0dB gain [00:00:00.000] | LFE : None compression, +0dB gain [00:00:00.000] | Output configuration: 2/0 [00:00:00.000] | Ch0 [Left ]: Normal compression, +0dB gain [00:00:00.000] | Ch1 [Right ]: Normal compression, +0dB gain [00:00:00.000] | Output Dual mono mode: Stereo [00:00:00.000] | Output Stereo mode: Dolby Pro Logic [00:00:00.000] | LFE levels: To LR -3.0dB, To LFE -INF [00:00:00.000] | Center mix level: BSI [00:00:00.000] | Surround mix level: BSI [00:00:00.000] | Dialog normalization: No [00:00:00.000] | Rear channels filtering: No [00:00:00.000] +--------------------- [00:00:00.000] +------ BSI ----- [00:00:00.000] | Bitrate: 192 kbit (48 kHz) [00:00:00.000] | Mode: Complete Main (CM) [00:00:00.000] | Audio mode: 2/0 L,R [00:00:00.000] | Surround mode: Unknown [00:00:00.000] | Dialogue level: -27dB [00:00:00.000] | Mixlevel: 105dB SPL [00:00:00.000] | Roomtype: Small root, flat monitor [00:00:00.000] | Stream: Copyright protected, Original stream [00:00:00.000] +---------------- [00:00:00.000] W7: Downmix overflow (1: +21.2dB) [00:00:00.005] W7: Downmix overflow (0: +22.7dB) [00:00:00.010] W7: Downmix overflow (1: +23.8dB) [00:00:00.016] W7: Downmix overflow (1: +22.6dB) [00:00:00.021] W7: Downmix overflow (1: +23.6dB) [00:00:00.026] W7: Downmix overflow (0: +22.8dB) [00:00:00.032] W7: Downmix overflow (1: +28.8dB) [01:14:34.880] W7: Downmix overflow (1: +21.2dB) [01:14:34.885] W7: Downmix overflow (0: +22.7dB) [01:14:34.890] W7: Downmix overflow (1: +23.8dB) [01:14:34.896] W7: Downmix overflow (1: +22.6dB) [01:14:34.901] W7: Downmix overflow (1: +23.6dB) [01:14:34.906] W7: Downmix overflow (0: +22.8dB) [01:14:34.912] +------ STATS ----- [01:14:34.912] | Decoded frames: 139841 [01:14:34.912] | Peak signal level: +28.8dB [01:14:34.912] | Ch0: +26.2dB - 2597 overflows [01:14:34.912] | Ch1: +28.8dB - 2574 overflows [01:14:34.912] +------------------ http://www.qfpost.com/download.do?ge...5729af683dd85a I tried run the same AC3 through a simple "eac3to.exe audiofile_81.ac3 audio.wav". Works a charm, no artifacts introduced. Has anyone got a clue what this is coming from with Azid? Known issue? I'd be thankful for threads and reference. Oh, I hope you guys don't consider it "thread necromancy" to bump this thread after almost six years. It just felt like the right thing to do, instead of posting a new thread. Cheers! |
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