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vw2xb

macrumors newbie
Original poster
Jun 24, 2010
29
0
All -

I've been trying to rip some blurays to stream from my iMac on my Apple TV2. I can successfully rip them with MakeMKV and use Handbrake to convert them to m4v but when I stream the movie, there are audio drops during the movie. This only happens when it's set to Dolby Digital...Stereo mode works fine. When the audio drops, it almost has a clipping sound, the speaker makes a tapping noise...it's not constant but it seems to happen during the same parts of the movie....I have tested this on two ATV2's...and it seems like it's the video file. Any suggestions? I use the default setting in Handbrake for ATV2.

One other thing, I have tried both HMDI and Optical and both produce the same clipping/tapping sound.

Thanks.
 

vw2xb

macrumors newbie
Original poster
Jun 24, 2010
29
0
Posting an activity log from handbrake would help. Also, have you checked that the MKV file doesn't have the same audio drop?

[10:46:46] hb_init: checking cpu count
[10:46:46] hb_init: starting libhb thread
[10:46:46] macgui: Handbrake Version: 0.9.5 x86_64 (2011010300)
[10:46:46] hb_init: checking cpu count
[10:46:46] hb_init: starting libhb thread
[10:46:46] hb_init: checking cpu count
[10:46:46] hb_init: starting libhb thread
[10:46:46] macgui: hbInstances path to this instance: /Applications/HandBrake.app
[10:46:46] macgui: hbInstance found instance pidnum:2419 at path: /Applications/HandBrake.app
[10:46:46] macgui: hbInstance MATCH FOUND, our pidnum is:2419
[10:46:46] macgui: Pid for this instance:2419
[10:46:46] macgui: HBQueueController : My Pidnum is 2419
[10:46:49] macgui: didDimissReloadQueue number of hb instances:1
[10:46:49] macgui: didDimissReloadQueue NSAlertOtherReturn Chosen
[10:47:06] macgui: trying to open video_ts folder (parent directory chosen)
[10:47:06] macgui: Preview: Disabling HUD Controls
[10:47:06] macgui: Minimum length of title for scan: 900000
[10:47:06] hb_scan: path=/Users/XXXXXXXX/Movies/Taken/t00_Taken.mkv, title_index=0
libbluray/bdnav/index_parse.c:157: indx_parse(): error opening /Users/XXXXXXXXXX/Movies/Taken/t00_Taken.mkv/BDMV/index.bdmv
libbluray/bluray.c:960: nav_get_title_list(/Users/XXXXXXXXXX/Movies/Taken/t00_Taken.mkv) failed (0x10212ee00)
[10:47:06] bd: not a bd - trying as a stream/file instead
libdvdnav: Using dvdnav version 4.1.3
libdvdread: Using libdvdcss version 1.2.10 for DVD access
libdvdnav:DVDOpenFileUDF:UDFFindFile /VIDEO_TS/VIDEO_TS.IFO failed
libdvdnav:DVDOpenFileUDF:UDFFindFile /VIDEO_TS/VIDEO_TS.BUP failed
libdvdread: Can't open file VIDEO_TS.IFO.
libdvdnav: vm: failed to read VIDEO_TS.IFO
[10:47:06] dvd: not a dvd - trying as a stream/file instead
Input #0, matroska,webm, from '/Users/XXXXXXXX/Movies/Taken/t00_Taken.mkv':
Metadata:
title : Taken
Duration: 01:30:55.19, start: 0.000000, bitrate: 1536 kb/s
Chapter #0.0: start 0.000000, end 283.950333
Metadata:
title : Chapter 00
Chapter #0.1: start 283.950333, end 476.017200
Metadata:
title : Chapter 01
Chapter #0.2: start 476.017200, end 772.605156
Metadata:
title : Chapter 02
Chapter #0.3: start 772.605156, end 1006.171800
Metadata:
title : Chapter 03
Chapter #0.4: start 1006.171800, end 1221.303378
Metadata:
title : Chapter 04
Chapter #0.5: start 1221.303378, end 1455.745889
Metadata:
title : Chapter 05
Chapter #0.6: start 1455.745889, end 1727.851067
Metadata:
title : Chapter 06
Chapter #0.7: start 1727.851067, end 1923.004356
Metadata:
title : Chapter 07
Chapter #0.8: start 1923.004356, end 2130.044533
Metadata:
title : Chapter 08
Chapter #0.9: start 2130.044533, end 2311.851156
Metadata:
title : Chapter 09
Chapter #0.10: start 2311.851156, end 2471.010156
Metadata:
title : Chapter 10
Chapter #0.11: start 2471.010156, end 2724.263156
Metadata:
title : Chapter 11
Chapter #0.12: start 2724.263156, end 3060.140333
Metadata:
title : Chapter 12
Chapter #0.13: start 3060.140333, end 3318.857133
Metadata:
title : Chapter 13
Chapter #0.14: start 3318.857133, end 3414.911422
Metadata:
title : Chapter 14
Chapter #0.15: start 3414.911422, end 3769.265400
Metadata:
title : Chapter 15
Chapter #0.16: start 3769.265400, end 3925.046044
Metadata:
title : Chapter 16
Chapter #0.17: start 3925.046044, end 4128.123911
Metadata:
title : Chapter 17
Chapter #0.18: start 4128.123911, end 4403.774267
Metadata:
title : Chapter 18
Chapter #0.19: start 4403.774267, end 4585.872867
Metadata:
title : Chapter 19
Chapter #0.20: start 4585.872867, end 4760.922733
Metadata:
title : Chapter 20
Chapter #0.21: start 4760.922733, end 5012.882778
Metadata:
title : Chapter 21
Chapter #0.22: start 5012.882778, end 5136.339444
Metadata:
title : Chapter 22
Chapter #0.23: start 5136.339444, end 5455.199000
Metadata:
title : Chapter 23
Stream #0.0(eng): Video: h264, yuv420p, 1920x1080 [PAR 1:1 DAR 16:9], 23.98 fps, 24 tbr, 1k tbn, 47.95 tbc
Stream #0.1(eng): Audio: dca, 48000 Hz, 5.1, s16, 1536 kb/s
Metadata:
title : 3/2+1
[10:47:07] scan: decoding previews for title 1
[10:47:07] scan: audio 0x1: DCA, rate=48000Hz, bitrate=1536000 English (DTS) (5.1 ch)
[10:47:09] scan: 10 previews, 1920x1080, 23.976 fps, autocrop = 0/0/0/0, aspect 16:9, PAR 1:1
[10:47:09] scan: title (0) job->width:1920, job->height:1072
[10:47:09] libhb: scan thread found 1 valid title(s)
[10:47:09] macgui: showNewScan: This is a new source item scan
[10:47:09] macgui: Preview: Enabling HUD Controls
[10:48:39] macgui: Rip: Pending queue count is 0
[10:48:39] macgui: getNextPendingQueueIndex next pending encode index is:0
[10:48:39] macgui: scanning specifically for title: 1
[10:48:39] hb_scan: path=/Users/XXXXXXXXX/Movies/Taken/t00_Taken.mkv, title_index=1
libbluray/bdnav/index_parse.c:157: indx_parse(): error opening /Users/XXXXXXXXXX/Movies/Taken/t00_Taken.mkv/BDMV/index.bdmv
libbluray/bluray.c:960: nav_get_title_list(/Users/XXXXXXXXX/Movies/Taken/t00_Taken.mkv) failed (0x103109400)
[10:48:39] bd: not a bd - trying as a stream/file instead
libdvdnav: Using dvdnav version 4.1.3
libdvdread: Using libdvdcss version 1.2.10 for DVD access
libdvdnav:DVDOpenFileUDF:UDFFindFile /VIDEO_TS/VIDEO_TS.IFO failed
libdvdnav:DVDOpenFileUDF:UDFFindFile /VIDEO_TS/VIDEO_TS.BUP failed
libdvdread: Can't open file VIDEO_TS.IFO.
libdvdnav: vm: failed to read VIDEO_TS.IFO
[10:48:39] dvd: not a dvd - trying as a stream/file instead
Input #0, matroska,webm, from '/Users/XXXXXXXXXX/Movies/Taken/t00_Taken.mkv':
Metadata:
title : Taken
Duration: 01:30:55.19, start: 0.000000, bitrate: 1536 kb/s
Chapter #0.0: start 0.000000, end 283.950333
Metadata:
title : Chapter 00
Chapter #0.1: start 283.950333, end 476.017200
Metadata:
title : Chapter 01
Chapter #0.2: start 476.017200, end 772.605156
Metadata:
title : Chapter 02
Chapter #0.3: start 772.605156, end 1006.171800
Metadata:
title : Chapter 03
Chapter #0.4: start 1006.171800, end 1221.303378
Metadata:
title : Chapter 04
Chapter #0.5: start 1221.303378, end 1455.745889
Metadata:
title : Chapter 05
Chapter #0.6: start 1455.745889, end 1727.851067
Metadata:
title : Chapter 06
Chapter #0.7: start 1727.851067, end 1923.004356
Metadata:
title : Chapter 07
Chapter #0.8: start 1923.004356, end 2130.044533
Metadata:
title : Chapter 08
Chapter #0.9: start 2130.044533, end 2311.851156
Metadata:
title : Chapter 09
Chapter #0.10: start 2311.851156, end 2471.010156
Metadata:
title : Chapter 10
Chapter #0.11: start 2471.010156, end 2724.263156
Metadata:
title : Chapter 11
Chapter #0.12: start 2724.263156, end 3060.140333
Metadata:
title : Chapter 12
Chapter #0.13: start 3060.140333, end 3318.857133
Metadata:
title : Chapter 13
Chapter #0.14: start 3318.857133, end 3414.911422
Metadata:
title : Chapter 14
Chapter #0.15: start 3414.911422, end 3769.265400
Metadata:
title : Chapter 15
Chapter #0.16: start 3769.265400, end 3925.046044
Metadata:
title : Chapter 16
Chapter #0.17: start 3925.046044, end 4128.123911
Metadata:
title : Chapter 17
Chapter #0.18: start 4128.123911, end 4403.774267
Metadata:
title : Chapter 18
Chapter #0.19: start 4403.774267, end 4585.872867
Metadata:
title : Chapter 19
Chapter #0.20: start 4585.872867, end 4760.922733
Metadata:
title : Chapter 20
Chapter #0.21: start 4760.922733, end 5012.882778
Metadata:
title : Chapter 21
Chapter #0.22: start 5012.882778, end 5136.339444
Metadata:
title : Chapter 22
Chapter #0.23: start 5136.339444, end 5455.199000
Metadata:
title : Chapter 23
Stream #0.0(eng): Video: h264, yuv420p, 1920x1080 [PAR 1:1 DAR 16:9], 23.98 fps, 24 tbr, 1k tbn, 47.95 tbc
Stream #0.1(eng): Audio: dca, 48000 Hz, 5.1, s16, 1536 kb/s
Metadata:
title : 3/2+1
[10:48:39] scan: decoding previews for title 1
[10:48:39] scan: audio 0x1: DCA, rate=48000Hz, bitrate=1536000 English (DTS) (5.1 ch)
[10:48:41] scan: 10 previews, 1920x1080, 23.976 fps, autocrop = 0/0/0/0, aspect 16:9, PAR 1:1
[10:48:41] scan: title (0) job->width:1920, job->height:1072
[10:48:41] libhb: scan thread found 1 valid title(s)
[10:48:42] macgui: ScanDone state received from fQueueEncodeLibhb
[10:48:42] macgui: Preset: Custom
[10:48:42] macgui: processNewQueueEncode number of passes expected is: 1
[10:48:42] macgui: Start / Stop set to chapters
[10:48:42] macgui: prepareJob exiting
[10:48:42] 1 job(s) to process
[10:48:42] starting job
[10:48:42] sync: expecting 130818 video frames
[10:48:42] job configuration:
[10:48:42] * source
[10:48:42] + /Users/XXXXXXXXXX/Movies/Taken/t00_Taken.mkv
[10:48:42] + title 1, chapter(s) 1 to 24
[10:48:42] + container: matroska,webm
[10:48:42] + data rate: 1536 kbps
[10:48:42] * destination
[10:48:42] + /Users/XXXXXXXXXX/Desktop/t00_Taken.m4v
[10:48:42] + container: MPEG-4 (.mp4 and .m4v)
[10:48:42] + 64-bit formatting
[10:48:42] + chapter markers
[10:48:42] * video track
[10:48:42] + decoder: h264
[10:48:42] + frame rate: 23.976 fps -> peak rate limited to 29.970 fps
[10:48:42] + loose anamorphic
[10:48:42] + storage dimensions: 1920 * 1080 -> 1280 * 720, crop 0/0/0/0, mod 16
[10:48:42] + pixel aspect ratio: 1 / 1
[10:48:42] + display dimensions: 1280 * 720
[10:48:42] + encoder: x264
[10:48:42] + quality: 18.50 (RF)
[10:48:42] * audio track 0
[10:48:42] + decoder: English (DTS) (5.1 ch) (track 1, id 1)
[10:48:42] + bitrate: 1536 kbps, samplerate: 48000 Hz
[10:48:42] + mixdown: Dolby Pro Logic II
[10:48:42] + encoder: ca_aac
[10:48:42] + bitrate: 160 kbps, samplerate: 48000 Hz
[10:48:42] * audio track 1
[10:48:42] + decoder: English (DTS) (5.1 ch) (track 1, id 1)
[10:48:42] + bitrate: 1536 kbps, samplerate: 48000 Hz
[10:48:42] + mixdown: 6-channel discrete
[10:48:42] + encoder: ffac3
[10:48:42] + bitrate: 640 kbps, samplerate: 48000 Hz
[10:48:42] encx264: min-keyint: auto (29), keyint: 300
[10:48:42] encx264: encoding with stored aspect 1/1
[10:48:42] encx264: Encoding at constant RF 18.500000
x264 [info]: using SAR=1/1
x264 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2
x264 [info]: profile High, level 3.1
[10:48:42] reader: first SCR 0 id 0 DTS 0
Stream with high frequencies VQ coding
Stream with high frequencies VQ coding
[10:54:49] h264: "Chapter 01" (2) at frame 6818 time 25563060
[10:59:41] h264: "Chapter 02" (3) at frame 11422 time 42845310
[11:07:33] h264: "Chapter 03" (4) at frame 18533 time 69538230
[11:13:30] h264: "Chapter 04" (5) at frame 24132 time 90555480
[11:19:24] h264: "Chapter 05" (6) at frame 29291 time 109921050
[11:25:00] h264: "Chapter 06" (7) at frame 34911 time 131017140
[11:30:14] h264: "Chapter 07" (8) at frame 41436 time 155510370
[11:34:12] h264: "Chapter 08" (9) at frame 46115 time 173074140
[11:38:52] h264: "Chapter 09" (10) at frame 51078 time 191704050
[11:42:51] h264: "Chapter 10" (11) at frame 55439 time 208074150
[11:46:30] h264: "Chapter 11" (12) at frame 59254 time 222394680
[11:53:03] h264: "Chapter 12" (13) at frame 65326 time 245187450
[12:00:10] h264: "Chapter 13" (14) at frame 73380 time 275420160
[12:05:33] h264: "Chapter 14" (15) at frame 79582 time 298700910
[12:07:31] h264: "Chapter 15" (16) at frame 81884 time 307342080
[12:14:49] h264: "Chapter 16" (17) at frame 90380 time 339233940
[12:17:34] h264: "Chapter 17" (18) at frame 94116 time 353257920
[12:21:50] h264: "Chapter 18" (19) at frame 98984 time 371531160
[12:27:27] h264: "Chapter 19" (20) at frame 105595 time 396347220
[12:30:53] h264: "Chapter 20" (21) at frame 109959 time 412728570
[12:35:08] h264: "Chapter 21" (22) at frame 114157 time 428486850
[12:40:40] h264: "Chapter 22" (23) at frame 120197 time 451159470
[12:43:25] h264: "Chapter 23" (24) at frame 123158 time 462274290
[12:46:57] reader: done. 1 scr changes
[12:46:58] work: average encoding speed for job is 18.429775 fps
[12:46:59] sync: got 130794 frames, 130818 expected
[12:46:59] h264-decoder done: 130794 frames, 0 decoder errors, 0 drops
[12:46:59] render: 130794 frames output, 0 dropped and 0 duped for CFR/PFR
[12:46:59] render: lost time: 0 (0 frames)
[12:46:59] render: gained time: 0 (0 frames) (0 not accounted for)
x264 [info]: frame I:2970 Avg QP:14.97 size: 87241 PSNR Mean Y:46.95 U:50.10 V:51.21 Avg:47.83 Global:47.35
x264 [info]: frame P:69362 Avg QP:20.40 size: 29697 PSNR Mean Y:44.63 U:48.49 V:49.80 Avg:45.64 Global:44.96
x264 [info]: frame B:58462 Avg QP:22.23 size: 13527 PSNR Mean Y:43.84 U:48.57 V:49.40 Avg:44.91 Global:44.06
x264 [info]: consecutive B-frames: 24.8% 39.8% 8.4% 27.0%
x264 [info]: mb I I16..4: 25.1% 63.9% 11.0%
x264 [info]: mb P I16..4: 2.1% 9.1% 1.0% P16..4: 31.0% 15.9% 8.7% 0.0% 0.0% skip:32.1%
x264 [info]: mb B I16..4: 0.1% 1.4% 0.1% B16..8: 37.3% 5.9% 1.4% direct: 3.6% skip:50.2% L0:44.0% L1:49.1% BI: 6.9%
x264 [info]: 8x8 transform intra:73.1% inter:65.5%
x264 [info]: coded y,uvDC,uvAC intra: 73.1% 77.8% 52.3% inter: 26.7% 26.2% 3.7%
x264 [info]: i16 v,h,dc,p: 68% 11% 7% 14%
x264 [info]: i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 13% 13% 32% 6% 7% 7% 7% 7% 9%
x264 [info]: i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 19% 16% 18% 7% 9% 9% 8% 7% 6%
x264 [info]: i8c dc,h,v,p: 57% 18% 18% 7%
x264 [info]: Weighted P-Frames: Y:2.2% UV:1.0%
x264 [info]: ref P L0: 58.6% 12.0% 19.9% 9.2% 0.2%
x264 [info]: ref B L0: 78.6% 19.2% 2.1%
x264 [info]: ref B L1: 95.6% 4.4%
x264 [info]: SSIM Mean Y:0.9735624 (15.778db)
x264 [info]: PSNR Mean Y:44.331 U:48.562 V:49.654 Avg:45.364 Global:44.574 kb/s:4560.46
[12:46:59] mux: track 0, 130794 frames, 3109699273 bytes, 4560.33 kbps, fifo 8
[12:46:59] mux: track 1, 255714 frames, 111685560 bytes, 163.79 kbps, fifo 512
[12:46:59] mux: track 2, 170475 frames, 436416000 bytes, 640.00 kbps, fifo 256
[12:46:59] libhb: work result = 0
[12:46:59] macgui: incrementQueueItemDone there are no more pending encodes
 

obsidian1200

macrumors 6502
Jun 19, 2010
359
0
Albuquerque, NM
From looking at the log, I can't see what handbrake is doing wrong that would be dropping the audio. It's not dropping frames or losing/gaining runtime, so that's good, but that doesn't help with the audio issues.

To get around the issue, you can try to remux the original audio track from the MKV to the encoded file using subler, which can either run a passthru track or downmix it to a stereo AAC track. It's an extra step, but it'll save you the re-encode time at least.
 

vw2xb

macrumors newbie
Original poster
Jun 24, 2010
29
0
I changed the bitrate from 640 kbps to 384. This seemed to have fixed the issue...hopefully. Now I have to fix all the other one's I have already ripped. FML.
 

Sedulous

macrumors 68030
Dec 10, 2002
2,530
2,577
I changed the bitrate from 640 kbps to 384. This seemed to have fixed the issue...hopefully. Now I have to fix all the other one's I have already ripped. FML.

That does seem to be a high bitrate for audio. As others have noted, you can just covert the audio and remux the audio using something like Subler.
 
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