Reduce to core from DTS-HD to DTS?

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jlw4049
Posts: 12
Joined: Mon Jan 07, 2019 11:08 pm

Reduce to core from DTS-HD to DTS?

Post by jlw4049 » Wed Mar 06, 2019 3:36 pm

I have tried to reduce to core with DTS Passthrough when using a DTS-HD source and it always just copies the DTS-HD source. Is this something I'm doing wrong or does handbrake simply not reduce to core?

rollin_eng
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Posts: 3163
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Re: Reduce to core from DTS-HD to DTS?

Post by rollin_eng » Wed Mar 06, 2019 5:14 pm

Could you please post your HB logs, instructions can be found here:

https://handbrake.fr/docs/en/latest/hel ... y-log.html

jlw4049
Posts: 12
Joined: Mon Jan 07, 2019 11:08 pm

Re: Reduce to core from DTS-HD to DTS?

Post by jlw4049 » Wed Mar 06, 2019 6:18 pm

I will post my log. I was just wondering if handbrake supported DTS-HD to DTS core extraction? I don't read anywhere in the documentation that it does. If it does then I'll post my logs for sure!

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JohnAStebbins
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Joined: Sat Feb 09, 2008 7:21 pm

Re: Reduce to core from DTS-HD to DTS?

Post by JohnAStebbins » Wed Mar 06, 2019 6:25 pm

Yes, HandBrake does. The core is identified as a separate "DTS" track in the source audio list in HandBrake.

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JohnAStebbins
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Re: Reduce to core from DTS-HD to DTS?

Post by JohnAStebbins » Wed Mar 06, 2019 6:26 pm

I should qualify, this only works with transport streams where they have provided DTS and the HD extensions on separate PIDs

jlw4049
Posts: 12
Joined: Mon Jan 07, 2019 11:08 pm

Re: Reduce to core from DTS-HD to DTS?

Post by jlw4049 » Wed Mar 06, 2019 9:42 pm

Well every source that I've tested, off of BluRay rips that I do myself, it has never gave me the option to use the DTS when there is DTS-HD. The only thing it will usually show is the DTS-HD, never seperate.

I usually have to pull the core with MKVTOOLNIX. I have tried on several occasions to just do the core passthrough (dts) it always just copies over the DTS-HD.

EDIT: Just tested again, selected the DTS-HD source, because there is no DTS source btw, and it defaults to the fallback encoder I'm assuming AC3~640kbps.
Last edited by jlw4049 on Wed Mar 06, 2019 9:49 pm, edited 1 time in total.

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Rodeo
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Re: Reduce to core from DTS-HD to DTS?

Post by Rodeo » Wed Mar 06, 2019 9:49 pm

MakeMKV can also extract the DTS core from Blu-ray sources.

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JohnAStebbins
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Re: Reduce to core from DTS-HD to DTS?

Post by JohnAStebbins » Wed Mar 06, 2019 10:26 pm

Well every source that I've tested, off of BluRay rips that I do myself, it has never gave me the option to use the DTS when there is DTS-HD. The only thing it will usually show is the DTS-HD, never seperate.
Which is why we need to see a log. I just tried it. It works as advertised.

mduell
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Re: Reduce to core from DTS-HD to DTS?

Post by mduell » Wed Mar 06, 2019 10:28 pm

We should mention that at the top of the page in something. In bold colored text maybe.

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JohnAStebbins
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Re: Reduce to core from DTS-HD to DTS?

Post by JohnAStebbins » Wed Mar 06, 2019 10:29 pm

FYI, in the log it will look something like this

Code: Select all

[14:25:29] bd: audio id=0x711100, lang=English (DTS), 3cc=eng
[14:25:29] bd: audio id=0x1100, lang=English (DTS-HD MA), 3cc=eng
Notice the similarity in the 'id'. For the DTS core, the id is composed of the PID and the mpeg substream id. For the full DTS-HD it is just the PID.

jlw4049
Posts: 12
Joined: Mon Jan 07, 2019 11:08 pm

Re: Reduce to core from DTS-HD to DTS?

Post by jlw4049 » Wed Mar 06, 2019 10:54 pm

Code: Select all

HandBrake 1.2.2 (2019022800)
OS: Microsoft Windows NT 10.0.17763.0
CPU: AMD Ryzen 7 1700 Eight-Core Processor          
Ram: 16334 MB, 
GPU Information:
  NVIDIA GeForce GTX 1050 - 25.21.14.1935
Screen: 1920x1080
Temp Dir: C:\Users\jlwServer\AppData\Local\Temp\
Install Dir: C:\Program Files\HandBrake
Data Dir: C:\Users\jlwServer\AppData\Roaming\HandBrake

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


# Starting Encode ...

[17:53:37] hb_init: starting libhb thread
[17:53:37] 1 job(s) to process
[17:53:37] json job:
{
  "Audio": {
    "AudioList": [
      {
        "DRC": 0.0,
        "Encoder": "ac3",
        "Gain": 0.0,
        "Mixdown": -1,
        "NormalizeMixLevel": false,
        "Samplerate": 0,
        "Track": 0,
        "DitherMethod": 0
      }
    ],
    "CopyMask": [
      "copy:aac",
      "copy:ac3",
      "copy:dtshd",
      "copy:dts",
      "copy:eac3",
      "copy:flac",
      "copy:mp3",
      "copy:truehd"
    ],
    "FallbackEncoder": "ac3"
  },
  "Destination": {
    "ChapterList": [
      {
        "Name": "Special Delivery"
      },
      {
        "Name": "Dog Swap"
      },
      {
        "Name": "Real Friendly Around Here"
      },
      {
        "Name": "Snowflake Is Kidnapped!"
      },
      {
        "Name": "Ace's Kingdom"
      },
      {
        "Name": "Sweet Melissa"
      },
      {
        "Name": "Ace Is on the Case"
      },
      {
        "Name": "Tanked Up"
      },
      {
        "Name": "Lt. Einhorn"
      },
      {
        "Name": "New England Clam Chowder"
      },
      {
        "Name": "Camp's Party"
      },
      {
        "Name": "Do Not Go in There!"
      },
      {
        "Name": "All About the Ring"
      },
      {
        "Name": "Saddlebags"
      },
      {
        "Name": "Scene of the Crime"
      },
      {
        "Name": "The Missing Player"
      },
      {
        "Name": "I Must Be Tired"
      },
      {
        "Name": "Wow! Ray Finkle's House"
      },
      {
        "Name": "They've Got Dan Marino"
      },
      {
        "Name": "Your Gun Is Digging Into My Hip"
      },
      {
        "Name": "Master of Disguise"
      },
      {
        "Name": "Finkle's Grabbag"
      },
      {
        "Name": "The Truth Dawns"
      },
      {
        "Name": "Tailing Einhorn"
      },
      {
        "Name": "Nap Time"
      },
      {
        "Name": "Penalty on Ace"
      },
      {
        "Name": "Trouble with the Lady"
      },
      {
        "Name": "Captain Winkey!"
      },
      {
        "Name": "Lover of All Animals"
      },
      {
        "Name": "End Credits"
      }
    ],
    "ChapterMarkers": true,
    "AlignAVStart": false,
    "File": "G:\\Converted\\Ave Ventura-1.mkv",
    "Mp4Options": {
      "IpodAtom": false,
      "Mp4Optimize": false
    },
    "Mux": "mkv"
  },
  "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": "0",
          "crop-left": "0",
          "crop-right": "0",
          "crop-top": "0",
          "height": "1080",
          "width": "1920"
        }
      },
      {
        "ID": 6,
        "Settings": {
          "mode": "2",
          "rate": "27000000/900000"
        }
      }
    ]
  },
  "PAR": {
    "Num": 1,
    "Den": 1
  },
  "Metadata": {},
  "SequenceID": 0,
  "Source": {
    "Angle": 1,
    "Range": {
      "Type": "chapter",
      "Start": 1,
      "End": 30
    },
    "Title": 1,
    "Path": "F:\\Downloads\\ace ventura\\ave ventura.mkv"
  },
  "Subtitle": {
    "Search": {
      "Burn": false,
      "Default": false,
      "Enable": false,
      "Forced": false
    },
    "SubtitleList": []
  },
  "Video": {
    "Encoder": "nvenc_h264",
    "Level": "auto",
    "TwoPass": false,
    "Turbo": false,
    "ColorMatrixCode": 0,
    "Options": "",
    "Preset": "hp",
    "Profile": "auto",
    "Quality": 31.0,
    "QSV": {
      "Decode": false,
      "AsyncDepth": 0
    }
  }
}
[17:53:37] CPU:
[17:53:37]  - logical processor count: 16
[17:53:37] Intel Quick Sync Video support: no
[17:53:37] hb_scan: path=F:\Downloads\ace ventura\ave ventura.mkv, title_index=1
udfread ERROR: ECMA 167 Volume Recognition failed
src/libbluray/disc/disc.c:323: failed opening UDF image F:\Downloads\ace ventura\ave ventura.mkv
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
[17:53:37] bd: not a bd - trying as a stream/file instead
libdvdnav: Using dvdnav version 6.0.0
libdvdread: Encrypted DVD support unavailable.
libdvdread:DVDOpenFileUDF:UDFFindFile /VIDEO_TS/VIDEO_TS.IFO failed
libdvdread:DVDOpenFileUDF:UDFFindFile /VIDEO_TS/VIDEO_TS.BUP failed
libdvdread: Can't open file VIDEO_TS.IFO.
libdvdnav: vm: failed to read VIDEO_TS.IFO
[17:53:37] dvd: not a dvd - trying as a stream/file instead
Input #0, matroska,webm, from 'F:\Downloads\ace ventura\ave ventura.mkv':
  Metadata:
    title           : Ace.Ventura.Pet.Detective.1994.BluRay.1080p.DTS-HD.MA.5.1.AVC.REMUX-FraMeSToR
    encoder         : libebml v1.3.0 + libmatroska v1.4.0
    creation_time   : 2013-08-25T22:46:40.000000Z
  Duration: 01:26:00.58, start: 0.000000, bitrate: 26760 kb/s
    Chapter #0:0: start 0.000000, end 219.010000
    Metadata:
      title           : Special Delivery
    Chapter #0:1: start 219.010000, end 347.847000
    Metadata:
      title           : Dog Swap
    Chapter #0:2: start 347.847000, end 403.320000
    Metadata:
      title           : Real Friendly Around Here
    Chapter #0:3: start 403.320000, end 469.052000
    Metadata:
      title           : Snowflake Is Kidnapped!
    Chapter #0:4: start 469.052000, end 661.202000
    Metadata:
      title           : Ace's Kingdom
    Chapter #0:5: start 661.202000, end 808.641000
    Metadata:
      title           : Sweet Melissa
    Chapter #0:6: start 808.641000, end 901.526000
    Metadata:
      title           : Ace Is on the Case
    Chapter #0:7: start 901.526000, end 1092.925000
    Metadata:
      title           : Tanked Up
    Chapter #0:8: start 1092.925000, end 1375.416000
    Metadata:
      title           : Lt. Einhorn
    Chapter #0:9: start 1375.416000, end 1542.291000
    Metadata:
      title           : New England Clam Chowder
    Chapter #0:10: start 1542.291000, end 1700.073000
    Metadata:
      title           : Camp's Party
    Chapter #0:11: start 1700.073000, end 1996.411000
    Metadata:
      title           : Do Not Go in There!
    Chapter #0:12: start 1996.411000, end 2204.202000
    Metadata:
      title           : All About the Ring
    Chapter #0:13: start 2204.202000, end 2315.146000
    Metadata:
      title           : Saddlebags
    Chapter #0:14: start 2315.146000, end 2578.117000
    Metadata:
      title           : Scene of the Crime
    Chapter #0:15: start 2578.117000, end 2790.454000
    Metadata:
      title           : The Missing Player
    Chapter #0:16: start 2790.454000, end 2869.158000
    Metadata:
      title           : I Must Be Tired
    Chapter #0:17: start 2869.158000, end 3146.894000
    Metadata:
      title           : Wow! Ray Finkle's House
    Chapter #0:18: start 3146.894000, end 3277.483000
    Metadata:
      title           : They've Got Dan Marino
    Chapter #0:19: start 3277.483000, end 3497.452000
    Metadata:
      title           : Your Gun Is Digging Into My Hip
    Chapter #0:20: start 3497.452000, end 3640.303000
    Metadata:
      title           : Master of Disguise
    Chapter #0:21: start 3640.303000, end 3844.591000
    Metadata:
      title           : Finkle's Grabbag
    Chapter #0:22: start 3844.591000, end 4061.891000
    Metadata:
      title           : The Truth Dawns
    Chapter #0:23: start 4061.891000, end 4239.527000
    Metadata:
      title           : Tailing Einhorn
    Chapter #0:24: start 4239.527000, end 4340.795000
    Metadata:
      title           : Nap Time
    Chapter #0:25: start 4340.795000, end 4449.111000
    Metadata:
      title           : Penalty on Ace
    Chapter #0:26: start 4449.111000, end 4541.078000
    Metadata:
      title           : Trouble with the Lady
    Chapter #0:27: start 4541.078000, end 4773.310000
    Metadata:
      title           : Captain Winkey!
    Chapter #0:28: start 4773.310000, end 4919.540000
    Metadata:
      title           : Lover of All Animals
    Chapter #0:29: start 4919.540000, end 5160.576000
    Metadata:
      title           : End Credits
    Stream #0:0: Video: h264 (High), yuv420p(progressive), 1920x1080 [SAR 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc (default)
    Metadata:
      title           : FraMeSToR MPEG-4 AVC Video / 21930 kbps / 1080p / 23.976 fps / 16:9 / High Profile 4.1
    Stream #0:1(eng): Audio: dts (DTS-HD MA), 48000 Hz, 5.1(side), s32p (24 bit) (default)
    Metadata:
      title           : DTS-HD MA 5.1 / 48 kHz / 4405 kbps / 24-bit (DTS Core: 5.1 / 48 kHz / 1509 kbps / 24-bit)
    Stream #0:2(eng): Audio: ac3, 48000 Hz, stereo, fltp, 192 kb/s
    Metadata:
      title           : Commentary
    Stream #0:3(eng): Subtitle: hdmv_pgs_subtitle
    Metadata:
      title           : English SDH
    Stream #0:4(jpn): Subtitle: hdmv_pgs_subtitle
    Metadata:
      title           : Japanese
    Stream #0:5(jpn): Subtitle: hdmv_pgs_subtitle
    Metadata:
      title           : Japanese
    Stream #0:6(fre): Subtitle: hdmv_pgs_subtitle
    Metadata:
      title           : French
    Stream #0:7(ger): Subtitle: hdmv_pgs_subtitle
    Metadata:
      title           : German SDH
    Stream #0:8(spa): Subtitle: hdmv_pgs_subtitle
    Metadata:
      title           : Castilian Spanish
    Stream #0:9(spa): Subtitle: hdmv_pgs_subtitle
    Metadata:
      title           : Latin American Spanish
    Stream #0:10(por): Subtitle: hdmv_pgs_subtitle
    Metadata:
      title           : Portuguese - Brazilian
[17:53:37] scan: decoding previews for title 1
[17:53:37] scan: audio 0x1: dca, rate=48000Hz, bitrate=1 English (DTS-HD MA) (5.1 ch)
[17:53:37] scan: audio 0x2: ac3, rate=48000Hz, bitrate=192000 English (AC3) (2.0 ch) (Dolby Surround)
[17:53:38] scan: 10 previews, 1920x1080, 23.976 fps, autocrop = 0/0/0/0, aspect 16:9, PAR 1:1
[17:53:38] scan: supported video decoders: avcodec qsv
[17:53:38] libhb: scan thread found 1 valid title(s)
[17:53:38] starting job
[17:53:38] decomb filter thread started for segment 0
[17:53:38] decomb filter thread started for segment 5
[17:53:38] decomb filter thread started for segment 2
[17:53:38] decomb filter thread started for segment 10
[17:53:38] decomb filter thread started for segment 4
[17:53:38] decomb filter thread started for segment 1
[17:53:38] decomb filter thread started for segment 6
[17:53:38] decomb filter thread started for segment 7
[17:53:38] decomb filter thread started for segment 8
[17:53:38] decomb filter thread started for segment 9
[17:53:38] decomb filter thread started for segment 3
[17:53:38] decomb filter thread started for segment 11
[17:53:38] decomb filter thread started for segment 12
[17:53:38] decomb check thread started for segment 6
[17:53:38] decomb filter thread started for segment 14
[17:53:38] decomb filter thread started for segment 15
[17:53:38] decomb check thread started for segment 10
[17:53:38] decomb check thread started for segment 1
[17:53:38] decomb check thread started for segment 2
[17:53:38] decomb check thread started for segment 3
[17:53:38] decomb check thread started for segment 4
[17:53:38] decomb check thread started for segment 5
[17:53:38] decomb filter thread started for segment 13
[17:53:38] decomb check thread started for segment 7
[17:53:38] decomb check thread started for segment 8
[17:53:38] decomb check thread started for segment 9
[17:53:38] mask filter thread started for segment 8
[17:53:38] mask filter thread started for segment 10
[17:53:38] decomb check thread started for segment 12
[17:53:38] decomb check thread started for segment 13
[17:53:38] decomb check thread started for segment 14
[17:53:38] decomb check thread started for segment 15
[17:53:38] mask filter thread started for segment 0
[17:53:38] mask filter thread started for segment 1
[17:53:38] mask filter thread started for segment 2
[17:53:38] mask filter thread started for segment 3
[17:53:38] mask filter thread started for segment 4
[17:53:38] mask filter thread started for segment 5
[17:53:38] mask filter thread started for segment 6
[17:53:38] mask filter thread started for segment 7
[17:53:38] decomb check thread started for segment 0
[17:53:38] mask filter thread started for segment 9
[17:53:38] decomb check thread started for segment 11
[17:53:38] mask dilate thread started for segment 1
[17:53:38] mask filter thread started for segment 13
[17:53:38] mask dilate thread started for segment 5
[17:53:38] mask filter thread started for segment 14
[17:53:38] mask filter thread started for segment 15
[17:53:38] mask erode thread started for segment 0
[17:53:38] mask dilate thread started for segment 10
[17:53:38] mask erode thread started for segment 2
[17:53:38] mask erode thread started for segment 3
[17:53:38] mask erode thread started for segment 4
[17:53:38] mask erode thread started for segment 5
[17:53:38] mask erode thread started for segment 6
[17:53:38] mask erode thread started for segment 7
[17:53:38] yadif thread started for segment 3
[17:53:38] mask erode thread started for segment 9
[17:53:38] mask erode thread started for segment 10
[17:53:38] mask erode thread started for segment 11
[17:53:38] mask erode thread started for segment 12
[17:53:38] mask erode thread started for segment 13
[17:53:38] mask erode thread started for segment 14
[17:53:38] mask erode thread started for segment 15
[17:53:38] mask dilate thread started for segment 0
[17:53:38] work: mixdown not specified, track 1 setting mixdown 5.1 Channels
[17:53:38] mask filter thread started for segment 11
[17:53:38] work: bitrate not specified, track 1 setting bitrate 640 Kbps
[17:53:38] mask dilate thread started for segment 2
[17:53:38] job configuration:
[17:53:38]  * source
[17:53:38] mask dilate thread started for segment 3
[17:53:38]    + F:\Downloads\ace ventura\ave ventura.mkv
[17:53:38]    + title 1, chapter(s) 1 to 30
[17:53:38]    + container: matroska,webm
[17:53:38]    + data rate: 26760 kbps
[17:53:38]  * destination
[17:53:38] mask dilate thread started for segment 4
[17:53:38]    + G:\Converted\Ave Ventura-1.mkv
[17:53:38]    + container: Matroska (libavformat)
[17:53:38]      + chapter markers
[17:53:38]  * video track
[17:53:38]    + decoder: h264
[17:53:38]    + filters
[17:53:38] mask filter thread started for segment 12
[17:53:38]      + 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)
[17:53:38]      + Decomb (mode=39)
[17:53:38]      + Framerate Shaper (mode=2:rate=27000000/900000)
[17:53:38]        + frame rate: 23.976 fps -> peak rate limited to 30.000 fps
[17:53:38] mask dilate thread started for segment 6
[17:53:38]      + Crop and Scale (width=1920:height=1080:crop-top=0:crop-bottom=0:crop-left=0:crop-right=0)
[17:53:38]        + source: 1920 * 1080, crop (0/0/0/0): 1920 * 1080, scale: 1920 * 1080
[17:53:38]    + Output geometry
[17:53:38]      + storage dimensions: 1920 x 1080
[17:53:38]      + pixel aspect ratio: 1 : 1
[17:53:38]      + display dimensions: 1920 x 1080
[17:53:38] mask dilate thread started for segment 7
[17:53:38]    + encoder: H.264 (NVEnc)
[17:53:38]      + preset:  hp
[17:53:38]      + profile: auto
[17:53:38]      + level:   auto
[17:53:38]      + quality: 31.00 (CQ)
[17:53:38] mask dilate thread started for segment 8
[17:53:38]      + color profile: 1-1-1
[17:53:38]  * audio track 1
[17:53:38]    + decoder: English (DTS-HD MA) (5.1 ch) (track 1, id 0x1)
[17:53:38]      + samplerate: 48000 Hz
[17:53:38]    + mixdown: 5.1 Channels
[17:53:38]    + dither: none
[17:53:38]    + encoder: AC3 (libavcodec)
[17:53:38]      + bitrate: 640 kbps, samplerate: 48000 Hz
[17:53:38] mask dilate thread started for segment 9
[17:53:38] mask erode thread started for segment 1
[17:53:38] mask dilate thread started for segment 11
[17:53:38] mask dilate thread started for segment 12
[17:53:38] mask dilate thread started for segment 13
[17:53:38] mask dilate thread started for segment 14
[17:53:38] mask dilate thread started for segment 15
[17:53:38] yadif thread started for segment 0
[17:53:38] yadif thread started for segment 1
[17:53:38] yadif thread started for segment 2
[17:53:38] mask erode thread started for segment 8
[17:53:38] yadif thread started for segment 4
[17:53:38] yadif thread started for segment 5
[17:53:38] yadif thread started for segment 6
[17:53:38] yadif thread started for segment 7
[17:53:38] yadif thread started for segment 8
[17:53:38] yadif thread started for segment 9
[17:53:38] yadif thread started for segment 10
[17:53:38] yadif thread started for segment 11
[17:53:38] yadif thread started for segment 12
[17:53:38] yadif thread started for segment 13
[17:53:38] yadif thread started for segment 14
[17:53:38] yadif thread started for segment 15
[17:53:38] sync: expecting 123730 video frames
[17:53:38] encavcodecInit: H.264 (Nvidia NVENC)
[17:53:38] encavcodec: encoding at rc=constqp QP 31.00
[17:53:38] encavcodec: encoding with stored aspect 1/1
[17:53:38] sync: first pts video is 0
[17:53:38] sync: "Special Delivery" (1) at frame 1 time 0
[17:53:38] sync: first pts audio 0x1 is 0

jlw4049
Posts: 12
Joined: Mon Jan 07, 2019 11:08 pm

Re: Reduce to core from DTS-HD to DTS?

Post by jlw4049 » Wed Mar 06, 2019 10:56 pm

The only options available are DTS-HD in the audio track and an AC3 commentary track. There is no DTS track. If I select DTS passthrough it just falls back to the AC3 encoder.

Again I can pull the dts from this dts-hd track out with mkvtoolnix. So I would love to be able to do it with hand brake.

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JohnAStebbins
HandBrake Team
Posts: 5442
Joined: Sat Feb 09, 2008 7:21 pm

Re: Reduce to core from DTS-HD to DTS?

Post by JohnAStebbins » Thu Mar 07, 2019 4:14 pm

Are you using MakeMKV to rip? HandBrake doesn't know how to extract the DTS core from an mkv track. The mechanism is different than for a transport stream (which is the BD format). If you use MakeMKV's disc backup option (instead of output to mkv) HandBrake can separate that DTS core from DTS-HD. As Rodeo said, MakeMKV can also separate out the DTS core into the mkv for you prior to running it through HandBrake.

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