Help with AAC Bitrate

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rminten
Posts: 6
Joined: Tue Jul 31, 2018 3:36 pm

Help with AAC Bitrate

Post by rminten »

Description of problem or question:

I'm extracting music video files from a DVD source to play in a club, so these will will be played loud and need to be at the highest audio quality. I've been testing the Fast 1080p preset. The bitrate is AAC 160, but the audio is not what it is on the DVD source. I have very sensitive hearing and the audio sounds very compressed - like a 128k mp3 - not very good.

What I need to know is what bitrate should I use to get the exact same audio that's on the DVD. I've tried 256 and 320, which sound much better, but what settings should I set to get the exact audio from the DVD with no compression. Or should I use a different codec? Is this possible in Handbrake?

Thanks!




Steps to reproduce the problem (If Applicable):




HandBrake version (e.g., 1.0.0):

Version 1.1.1 64-Bit


Operating system and version (e.g., Ubuntu 16.04 LTS, macOS 10.13 High Sierra, Windows 10 Creators Update):

Windows 10


HandBrake Activity Log ***required*** (see How-to get an activity log)

Code: Select all

HandBrake 1.1.1 (2018061800) - 64bit
OS: Microsoft Windows NT 10.0.17134.0 - 64bit
CPU: Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz
Ram: 16250 MB, 
GPU Information:
  Intel(R) HD Graphics 630 - 23.20.16.4973
  NVIDIA GeForce GTX 750 Ti - 23.21.13.8813
Screen: 1920x1080
Temp Dir: C:\Users\Rmint\AppData\Local\Temp\
Install Dir: C:\Program Files\HandBrake
Data Dir: C:\Users\Rmint\AppData\Roaming\HandBrake Team\HandBrake\1.1.1.0

-------------------------------------------


# Starting Encode ...

[18:40:58] hb_init: starting libhb thread
[18:40:58] 1 job(s) to process
[18:40:58] json job:
{
  "Audio": {
    "AudioList": [
      {
        "Bitrate": 160,
        "DRC": 0.0,
        "Encoder": 65536,
        "Gain": 0.0,
        "Mixdown": 4,
        "NormalizeMixLevel": false,
        "Samplerate": 48000,
        "Track": 0,
        "DitherMethod": 0
      }
    ],
    "CopyMask": [
      1073807360,
      1073743872,
      1074003968,
      1073750016,
      1090519040,
      1074790400,
      1074266112,
      1107296256
    ],
    "FallbackEncoder": 2048
  },
  "Destination": {
    "ChapterList": [
      {
        "Name": "Chapter 1"
      },
      {
        "Name": "Chapter 2"
      },
      {
        "Name": "Chapter 3"
      },
      {
        "Name": "Chapter 4"
      },
      {
        "Name": "Chapter 5"
      },
      {
        "Name": "Chapter 6"
      },
      {
        "Name": "Chapter 7"
      },
      {
        "Name": "Chapter 8"
      },
      {
        "Name": "Chapter 9"
      },
      {
        "Name": "Chapter 10"
      },
      {
        "Name": "Chapter 11"
      },
      {
        "Name": "Chapter 12"
      },
      {
        "Name": "Chapter 13"
      },
      {
        "Name": "Chapter 14"
      },
      {
        "Name": "Chapter 15"
      },
      {
        "Name": "Chapter 16"
      },
      {
        "Name": "Chapter 17"
      },
      {
        "Name": "Chapter 18"
      },
      {
        "Name": "Chapter 19"
      },
      {
        "Name": "Chapter 20"
      },
      {
        "Name": "Chapter 21"
      },
      {
        "Name": "Chapter 22"
      },
      {
        "Name": "Chapter 23"
      },
      {
        "Name": "Chapter 24"
      },
      {
        "Name": "Chapter 25"
      },
      {
        "Name": "Chapter 26"
      },
      {
        "Name": "Chapter 27"
      },
      {
        "Name": "Chapter 28"
      },
      {
        "Name": "Chapter 29"
      },
      {
        "Name": "Chapter 30"
      },
      {
        "Name": "Chapter 31"
      },
      {
        "Name": "Chapter 32"
      },
      {
        "Name": "Chapter 33"
      }
    ],
    "ChapterMarkers": true,
    "AlignAVStart": true,
    "File": "\\\\WDMYCLOUDEX4100\\randy\\Videos\\Promo Only\\08 - Janet AAC 256.m4v",
    "Mp4Options": {
      "IpodAtom": false,
      "Mp4Optimize": false
    },
    "Mux": 131072
  },
  "Filters": {
    "FilterList": [
      {
        "ID": 4,
        "Settings": {
          "mode": "7"
        }
      },
      {
        "ID": 3,
        "Settings": {
          "block-height": "16",
          "block-thresh": "40",
          "block-width": "16",
          "filter-mode": "2",
          "mode": "3",
          "motion-thresh": "1",
          "spatial-metric": "2",
          "spatial-thresh": "1"
        }
      },
      {
        "ID": 11,
        "Settings": {
          "crop-bottom": "46",
          "crop-left": "10",
          "crop-right": "4",
          "crop-top": "46",
          "height": "388",
          "width": "706"
        }
      },
      {
        "ID": 6,
        "Settings": {
          "mode": "2",
          "rate": "27000000/900000"
        }
      }
    ]
  },
  "PAR": {
    "Num": 8,
    "Den": 9
  },
  "Metadata": {},
  "SequenceID": 0,
  "Source": {
    "Angle": 1,
    "Range": {
      "Type": "chapter",
      "Start": 8,
      "End": 8
    },
    "Title": 1,
    "Path": "D:\\"
  },
  "Subtitle": {
    "Search": {
      "Burn": true,
      "Default": false,
      "Enable": true,
      "Forced": true
    },
    "SubtitleList": []
  },
  "Video": {
    "Encoder": 65536,
    "Level": "4.0",
    "TwoPass": false,
    "Turbo": false,
    "ColorMatrixCode": 0,
    "Options": "",
    "Preset": "fast",
    "Profile": "main",
    "Quality": 22.0,
    "HWDecode": false,
    "QSV": {
      "Decode": false,
      "AsyncDepth": 0
    }
  }
}
[18:40:58] CPU: Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz
[18:40:58]  - Intel microarchitecture Kaby Lake
[18:40:58]  - logical processor count: 8
[18:40:58] Intel Quick Sync Video support: yes
[18:40:58]  - Intel Media SDK hardware: API 1.25 (minimum: 1.3)
[18:40:58]  - H.264 encoder: yes
[18:40:58]     - preferred implementation: hardware (any) via D3D11
[18:40:58]     - capabilities (hardware):  breftype icq+la+i+downs vsinfo opt1 opt2+mbbrc+extbrc+trellis+ib_adapt+nmpslice
[18:40:58]  - H.265 encoder: yes (8bit: yes, 10bit: yes)
[18:40:58]     - preferred implementation: hardware (any) via D3D11
[18:40:58]     - capabilities (hardware):  bpyramid icq vsinfo opt1
[18:40:58] hb_scan: path=D:\, title_index=1
src/libbluray/disc/disc.c:424: error opening file BDMV\index.bdmv
src/libbluray/disc/disc.c:424: error opening file BDMV\BACKUP\index.bdmv
[18:40:58] bd: not a bd - trying as a stream/file instead
libdvdnav: Using dvdnav version 5.0.3
libdvdnav: Unable to open device file D:\.
libdvdnav: vm: dvd_read_name failed
libdvdnav: DVD disk reports itself with Region mask 0x00c00000. Regions: 1 2 3 4 5 6
[18:40:58] scan: DVD has 1 title(s)
[18:40:58] scan: scanning title 1
[18:40:58] scan: opening IFO for VTS 1
[18:40:58] scan: duration is 01:56:42 (7002500 ms)
[18:40:58] pgc_id: 1, pgn: 1: pgc: 00000160656E41B0
[18:40:58] scan: vts=1, ttn=1, cells=0->32, blocks=0->3470621, 3470622 blocks
[18:40:58] scan: checking audio 1
[18:40:58] scan: id=0xa0bd, lang=Unknown (LPCM), 3cc=und ext=0
[18:40:58] scan: title 1 has 33 chapters
[18:40:58] scan: chap 1 c=0->0, b=0->150880 (150881), 284700 ms
[18:40:58] scan: chap 2 c=1->1, b=150881->258813 (107933), 203667 ms
[18:40:58] scan: chap 3 c=2->2, b=258814->414076 (155263), 292934 ms
[18:40:58] scan: chap 4 c=3->3, b=414077->520480 (106404), 201500 ms
[18:40:58] scan: chap 5 c=4->4, b=520481->526037 (5557), 12133 ms
[18:40:58] scan: chap 6 c=5->5, b=526038->615294 (89257), 195867 ms
[18:40:58] scan: chap 7 c=6->6, b=615295->727139 (111845), 245967 ms
[18:40:58] scan: chap 8 c=7->7, b=727140->861776 (134637), 287900 ms
[18:40:58] scan: chap 9 c=8->8, b=861777->938746 (76970), 204967 ms
[18:40:58] scan: chap 10 c=9->9, b=938747->1053738 (114992), 205400 ms
[18:40:58] scan: chap 11 c=10->10, b=1053739->1211008 (157270), 280367 ms
[18:40:58] scan: chap 12 c=11->11, b=1211009->1211477 (469), 1300 ms
[18:40:58] scan: chap 13 c=12->12, b=1211478->1324630 (113153), 213633 ms
[18:40:58] scan: chap 14 c=13->13, b=1324631->1444482 (119852), 256533 ms
[18:40:58] scan: chap 15 c=14->14, b=1444483->1447139 (2657), 5200 ms
[18:40:58] scan: chap 16 c=15->15, b=1447140->1564949 (117810), 236166 ms
[18:40:58] scan: chap 17 c=16->16, b=1564950->1674456 (109507), 237467 ms
[18:40:58] scan: chap 18 c=17->17, b=1674457->1676778 (2322), 4333 ms
[18:40:58] scan: chap 19 c=18->18, b=1676779->1838945 (162167), 306367 ms
[18:40:58] scan: chap 20 c=19->19, b=1838946->1989520 (150575), 313300 ms
[18:40:58] scan: chap 21 c=20->20, b=1989521->2088649 (99129), 206266 ms
[18:40:58] scan: chap 22 c=21->21, b=2088650->2187281 (98632), 226200 ms
[18:40:58] scan: chap 23 c=22->22, b=2187282->2312151 (124870), 266934 ms
[18:40:58] scan: chap 24 c=23->23, b=2312152->2408568 (96417), 206266 ms
[18:40:58] scan: chap 25 c=24->24, b=2408569->2511096 (102528), 225333 ms
[18:40:58] scan: chap 26 c=25->25, b=2511097->2601065 (89969), 169867 ms
[18:40:58] scan: chap 27 c=26->26, b=2601066->2738838 (137773), 261300 ms
[18:40:58] scan: chap 28 c=27->27, b=2738839->2843233 (104395), 186333 ms
[18:40:58] scan: chap 29 c=28->28, b=2843234->2982600 (139367), 248734 ms
[18:40:58] scan: chap 30 c=29->29, b=2982601->3057390 (74790), 178967 ms
[18:40:58] scan: chap 31 c=30->30, b=3057391->3251070 (193680), 365300 ms
[18:40:58] scan: chap 32 c=31->31, b=3251071->3366632 (115562), 249166 ms
[18:40:58] scan: chap 33 c=32->32, b=3366633->3470621 (103989), 222133 ms
[18:40:58] scan: aspect = 4:3
[18:40:58] scan: decoding previews for title 1
libdvdnav: DVD disk reports itself with Region mask 0x00c00000. Regions: 1 2 3 4 5 6
[18:40:58] scan: title angle(s) 1
libdvdread: Attempting to retrieve all CSS keys
libdvdread: This can take a _long_ time, please be patient
libdvdread: Get key for /VIDEO_TS/VTS_01_0.VOB at 0x0000015e
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_01_1.VOB at 0x0000017f
libdvdread: Elapsed time 0
libdvdread: Found 1 VTS's
libdvdread: Elapsed time 0
[18:40:59] scan: audio 0xa0bd: LPCM, rate=48000Hz, bitrate=1536000 Unknown (LPCM) (2.0 ch)
[18:41:01] scan: 10 previews, 720x480, 29.970 fps, autocrop = 46/46/10/4, aspect 4:3, PAR 8:9
[18:41:01] libhb: scan thread found 1 valid title(s)
[18:41:01] Skipping subtitle scan.  No suitable subtitle tracks.
[18:41:01] starting job
[18:41:02] decomb filter thread started for segment 0
[18:41:02] decomb filter thread started for segment 1
[18:41:02] decomb filter thread started for segment 2
[18:41:02] decomb filter thread started for segment 3
[18:41:02] decomb filter thread started for segment 4
[18:41:02] decomb filter thread started for segment 5
[18:41:02] decomb filter thread started for segment 6
[18:41:02] decomb filter thread started for segment 7
[18:41:02] decomb check thread started for segment 0
[18:41:02] decomb check thread started for segment 1
[18:41:02] decomb check thread started for segment 2
[18:41:02] decomb check thread started for segment 3
[18:41:02] decomb check thread started for segment 4
[18:41:02] decomb check thread started for segment 5
[18:41:02] decomb check thread started for segment 6
[18:41:02] decomb check thread started for segment 7
[18:41:02] mask filter thread started for segment 0
[18:41:02] mask filter thread started for segment 1
[18:41:02] mask filter thread started for segment 2
[18:41:02] mask filter thread started for segment 3
[18:41:02] mask filter thread started for segment 4
[18:41:02] mask filter thread started for segment 5
[18:41:02] mask filter thread started for segment 6
[18:41:02] mask filter thread started for segment 7
[18:41:02] mask erode thread started for segment 0
[18:41:02] mask erode thread started for segment 1
[18:41:02] mask erode thread started for segment 2
[18:41:02] mask erode thread started for segment 3
[18:41:02] mask erode thread started for segment 4
[18:41:02] mask erode thread started for segment 5
[18:41:02] mask erode thread started for segment 6
[18:41:02] mask erode thread started for segment 7
[18:41:02] mask dilate thread started for segment 0
[18:41:02] mask dilate thread started for segment 1
[18:41:02] mask dilate thread started for segment 2
[18:41:02] mask dilate thread started for segment 3
[18:41:02] mask dilate thread started for segment 4
[18:41:02] mask dilate thread started for segment 5
[18:41:02] mask dilate thread started for segment 6
[18:41:02] mask dilate thread started for segment 7
[18:41:02] yadif thread started for segment 0
[18:41:02] yadif thread started for segment 1
[18:41:02] yadif thread started for segment 2
[18:41:02] yadif thread started for segment 3
[18:41:02] yadif thread started for segment 4
[18:41:02] yadif thread started for segment 5
[18:41:02] yadif thread started for segment 6
[18:41:02] yadif thread started for segment 7
[18:41:02] work: track 1, dithering not supported by codec
[18:41:02] work: only 1 chapter, disabling chapter markers
[18:41:02] job configuration:
[18:41:02]  * source
[18:41:02]    + D:\
[18:41:02]    + title 1, chapter(s) 8 to 8
[18:41:02]  * destination
[18:41:02]    + \\WDMYCLOUDEX4100\randy\Videos\Promo Only\08 - Janet AAC 256.m4v
[18:41:02]    + container: MPEG-4 (libavformat)
[18:41:02]      + align initial A/V stream timestamps
[18:41:02]  * video track
[18:41:02]    + decoder: mpeg2video
[18:41:02]      + bitrate 7800 kbps
[18:41:02]    + filters
[18:41:02]      + Comb Detect (mode=3:spatial-metric=2:motion-thresh=1:spatial-thresh=1:filter-mode=2:block-thresh=40:block-width=16:block-height=16)
[18:41:02]      + Decomb (mode=39)
[18:41:02]      + Framerate Shaper (mode=2:rate=27000000/900000)
[18:41:02]        + frame rate: 29.970 fps -> peak rate limited to 30.000 fps
[18:41:02]      + Crop and Scale (width=706:height=388:crop-top=46:crop-bottom=46:crop-left=10:crop-right=4)
[18:41:02]        + source: 720 * 480, crop (46/46/10/4): 706 * 388, scale: 706 * 388
[18:41:02]    + Output geometry
[18:41:02]      + storage dimensions: 706 x 388
[18:41:02]      + pixel aspect ratio: 8 : 9
[18:41:02]      + display dimensions: 627 x 388
[18:41:02]    + encoder: H.264 (libx264)
[18:41:02]      + preset:  fast
[18:41:02]      + profile: main
[18:41:02]      + level:   4.0
[18:41:02]      + quality: 22.00 (RF)
[18:41:02]  * audio track 1
[18:41:02]    + decoder: Unknown (LPCM) (2.0 ch) (track 1, id 0xa0bd)
[18:41:02]      + bitrate: 1536 kbps, samplerate: 48000 Hz
[18:41:02]    + mixdown: Stereo
[18:41:02]    + encoder: AAC (libavcodec)
[18:41:02]      + bitrate: 160 kbps, samplerate: 48000 Hz
libdvdnav: Using dvdnav version 5.0.3
libdvdnav: Unable to open device file D:\.
libdvdnav: vm: dvd_read_name failed
libdvdnav: DVD disk reports itself with Region mask 0x00c00000. Regions: 1 2 3 4 5 6
libdvdnav: DVD disk reports itself with Region mask 0x00c00000. Regions: 1 2 3 4 5 6
[18:41:02] sync: expecting 8628 video frames
[18:41:02] encx264: min-keyint: 30, keyint: 300
[18:41:02] encx264: encoding at constant RF 22.000000
[18:41:02] encx264: unparsed options: level=4.0:ref=2:8x8dct=0:weightp=1:subme=6:vbv-bufsize=25000:vbv-maxrate=20000:rc-lookahead=30
x264 [info]: using SAR=8/9
x264 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
x264 [info]: profile Main, level 4.0
libdvdread: Attempting to retrieve all CSS keys
libdvdread: This can take a _long_ time, please be patient
libdvdread: Get key for /VIDEO_TS/VTS_01_0.VOB at 0x0000015e
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_01_1.VOB at 0x0000017f
libdvdread: Elapsed time 0
libdvdread: Found 1 VTS's
libdvdread: Elapsed time 0
[18:41:03] sync: first pts video is 0
[18:41:03] sync: first pts audio 0xa0bd is 0
[18:41:03] sync: "Chapter 8" (8) at frame 3 time 8859
[18:41:54] reader: end of chapter 8 (media 8) reached at media chapter 9
[18:41:54] reader: done. 1 scr changes
[18:41:57] work: average encoding speed for job is 169.143158 fps
[18:41:57] comb detect: heavy 6252 | light 1507 | uncombed 879 | total 8638
[18:41:57] decomb: deinterlaced 6252 | blended 1507 | unfiltered 879 | total 8638
[18:41:57] vfr: 8638 frames output, 0 dropped and 0 duped for CFR/PFR
[18:41:57] vfr: lost time: 0 (0 frames)
[18:41:57] vfr: gained time: 0 (0 frames) (0 not accounted for)
[18:41:57] mpeg2video-decoder done: 8636 frames, 0 decoder errors
[18:41:57] sync: got 8638 frames, 8628 expected
[18:41:57] sync: framerate min 15.369 fps, max 29.970 fps, avg 29.967 fps
x264 [info]: frame I:311   Avg QP:21.53  size: 23853
x264 [info]: frame P:2280  Avg QP:24.78  size:  8288
x264 [info]: frame B:6047  Avg QP:26.23  size:  2998
x264 [info]: consecutive B-frames:  5.4%  2.6%  3.3% 88.6%
x264 [info]: mb I  I16..4: 21.1%  0.0% 78.9%
x264 [info]: mb P  I16..4:  4.5%  0.0% 10.9%  P16..4: 42.7% 19.3%  9.5%  0.0%  0.0%    skip:13.1%
x264 [info]: mb B  I16..4:  4.9%  0.0%  1.4%  B16..8: 28.4%  9.3%  0.6%  direct:20.6%  skip:34.8%  L0:41.3% L1:46.9% BI:11.8%
x264 [info]: coded y,uvDC,uvAC intra: 55.2% 82.3% 40.6% inter: 18.1% 41.7% 1.1%
x264 [info]: i16 v,h,dc,p: 31% 27% 20% 21%
x264 [info]: i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 26% 20% 14%  6%  7%  7%  8%  6%  6%
x264 [info]: i8c dc,h,v,p: 42% 23% 21% 14%
x264 [info]: Weighted P-Frames: Y:6.1% UV:1.4%
x264 [info]: ref P L0: 66.8% 33.2%
x264 [info]: ref B L0: 82.3% 17.7%
x264 [info]: ref B L1: 93.6%  6.4%
x264 [info]: kb/s:1233.53
[18:41:57] mux: track 0, 8638 frames, 44438611 bytes, 1233.32 kbps, fifo 4096
[18:41:57] mux: track 1, 13511 frames, 5762214 bytes, 159.92 kbps, fifo 4096
[18:41:57] libhb: work result = 0

# Encode Completed ...
Top
User avatar
BradleyS
Moderator
Posts: 1860
Joined: Thu Aug 09, 2007 12:16 pm

Re: Help with AAC Bitrate

Post by BradleyS »

256 kbps is what Apple uses for music without video. Some iDevices only support 160 kbps when the audio is part of a video file. If your playback software/device supports it, go all the way to 320 kbps AAC. Alternatively, if you can use the MKV container, you can use FLAC which is lossless.
Top
Deleted User 13735

Re: Help with AAC Bitrate

Post by Deleted User 13735 »

Check out CDEx with the optional LAME encoder.
You will have total control over things you didn't know existed.
For music, avoid HE and LC codecs.
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User avatar
BradleyS
Moderator
Posts: 1860
Joined: Thu Aug 09, 2007 12:16 pm

Re: Help with AAC Bitrate

Post by BradleyS »

@musicvid I'm not sure that's helpful in the context of video? AAC is measurably better than MP3 in just about every test...
Top
rollin_eng
Veteran User
Posts: 4859
Joined: Wed May 04, 2011 11:06 pm

Re: Help with AAC Bitrate

Post by rollin_eng »

Just pass through the source audio if possible.
Top
rminten
Posts: 6
Joined: Tue Jul 31, 2018 3:36 pm

Re: Help with AAC Bitrate

Post by rminten »

Thanks everyone for their responses - much appreciated.

@rollin_eng - I've now done some testing with the pass thru based on your suggestion. I"m assuming this a direct copy of the audio from the DVD using the codec chosen - correct me if I"m wrong. I tested the AAC passthru and auto passthru, and both resulted in codec: A52 Audio (aka AC3) (ac-3). These are from the codec information when playing these videos in VLC media player. Any idea why it reverted to AC3 when I had AAC passthru selected? Are any of the options available uncompressed audio?

Thanks for your help.
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User avatar
BradleyS
Moderator
Posts: 1860
Joined: Thu Aug 09, 2007 12:16 pm

Re: Help with AAC Bitrate

Post by BradleyS »

The reason I did not suggest passing through the original audio is the source being LPCM, which HandBrake cannot pass through. It is falling back to the AC3 encoder which is not ideal in this case.

Since you're using VLC you should be able to encode lossless FLAC audio using the MKV container. Alternatively, use 320 kbps AAC in MP4/MKV.
Top
rminten
Posts: 6
Joined: Tue Jul 31, 2018 3:36 pm

Re: Help with AAC Bitrate

Post by rminten »

@BradleyS - thanks for the further detail here - much appreciated. I'm trying to learn all of this and make the best decision, so I appreciate this info.

VLC is only for my testing on my PC. In the 'live' environment these will be played with a club DJ mixing application called Virtual DJ, which can play both MP4 (.m4v) and MKV (.mkv) video formats, and for audio I've tested most and all work except for FLAC 24-bit. Based on my testing of audio quality vs file size I think I'm going to go with 320 kbps AAC. This minimally increases the file size and sounds best in my testing.

Let me know if there's anything else to add. I appreciate everyone taking the time to help educate me on these settings
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BradleyS
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Re: Help with AAC Bitrate

Post by BradleyS »

8)
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rollin_eng
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Re: Help with AAC Bitrate

Post by rollin_eng »

Ahhh, I just assumed there was ac3 audio present.

You should probably try makemkv and just rip your DVD to lossless mkv's.
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rminten
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Re: Help with AAC Bitrate

Post by rminten »

@rollin_eng - I will check that out! Thanks.
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