View Single Post
Old 5th June 2021, 22:05   #30664  |  Link
spotswood
Registered User
 
Join Date: Mar 2009
Posts: 129
Quote:
Originally Posted by MrVideo View Post
You are misunderstanding the log entry. Track #2 on the disc is a THD track and it is being converted to AC3. It should do so by extracting the AC3 core.

Again, use MediaInfo to look at the specs for the the THD audio track.
OK, here you go...

MediaInfo pre reencode for my 1080p Anna MKV:
Code:
Video
ID                             : 1
Format                         : AVC
Format/Info                    : Advanced Video Codec
Format profile                 : High@L4.1
Format settings                : CABAC / 4 Ref Frames
Format settings, CABAC         : Yes
Format settings, Reference fra : 4 frames
Codec ID                       : V_MPEG4/ISO/AVC
Duration                       : 1 h 58 min
Bit rate mode                  : Variable
Bit rate                       : 33.0 Mb/s
Maximum bit rate               : 35.0 Mb/s
Width                          : 1 920 pixels
Height                         : 1 080 pixels
Display aspect ratio           : 16:9
Frame rate mode                : Constant
Frame rate                     : 23.976 (23976/1000) FPS
Original frame rate            : 23.976 (24000/1001) FPS
Color space                    : YUV
Chroma subsampling             : 4:2:0
Bit depth                      : 8 bits
Scan type                      : Progressive
Bits/(Pixel*Frame)             : 0.663
Stream size                    : 27.4 GiB (88%)
Language                       : English
Default                        : Yes
Forced                         : No

Audio #1
ID                             : 2
Format                         : MLP FBA 16-ch
Format/Info                    : Meridian Lossless Packing FBA with 16-channel presentation
Commercial name                : Dolby TrueHD with Dolby Atmos
Codec ID                       : A_TRUEHD
Duration                       : 1 h 58 min
Bit rate mode                  : Variable
Bit rate                       : 3 616 kb/s
Maximum bit rate               : 6 318 kb/s
Channel(s)                     : 8 channels
Channel layout                 : L R C LFE Ls Rs Lb Rb
Sampling rate                  : 48.0 kHz
Frame rate                     : 1 200.000 FPS (40 SPF)
Compression mode               : Lossless
Stream size                    : 3.01 GiB (10%)
Language                       : English
Default                        : Yes
Forced                         : No
Number of dynamic objects      : 15
Bed channel count              : 1 channel
Bed channel configuration      : LFE

Audio #2
ID                             : 3
Format                         : AC-3
Format/Info                    : Audio Coding 3
Commercial name                : Dolby Digital
Format settings                : Dolby Surround EX
Codec ID                       : A_AC3
Duration                       : 1 h 58 min
Bit rate mode                  : Constant
Bit rate                       : 640 kb/s
Channel(s)                     : 6 channels
Channel layout                 : L R C LFE Ls Rs
Sampling rate                  : 48.0 kHz
Frame rate                     : 31.250 FPS (1536 SPF)
Compression mode               : Lossy
Stream size                    : 545 MiB (2%)
Language                       : English
Service kind                   : Complete Main
Default                        : No
Forced                         : No
.inf:

Code:
[Status]
LABEL=ANNA_1080P
VERSION=v0.61.22
SOURCE_SIZE=31433637888
SOURCE_VIDEO_SIZE=31433637888
TARGET_SIZE=26306674688
REDUCTION=.836895646050652
RESIZE_1080=0
RESIZE_1440=0
AUDIO_TO_KEEP=eng;
KEEP_HD_AUDIO=-1
SUBS_TO_KEEP=eng;
BACKUP_MODE=1
MOVIEONLY_TYPE=0
USE_LAVF=0
INSTANCES=4
DGDECNV=-1
DGDECIM=0
FRIMSOURCE=0
FFMS2=0
SSIF_MODE=0
UHD_V3_MODE=-1
QUICK=0
ENCODE_STEP=0
COMPLETED=1
REBUILD_COMPLETE=1
[00000]
AUDIO=10
PGS=1
APULLDOWN=0
S1440=0
VIDEO2=0
V2MBRATE=0
M2TS_TARGET=26306674688
RATE=27310
NSIZE=0
FLINK=0
MLINK=0
Log:

Code:
----------------------
[06/05/21] BD Rebuilder v0.61.22
[09:02:14] Source:  ANNA_1080P_00000
  - Input BD size: 29.27 GB
  - Approximate total content: [01:58:59.173]
  - Target BD size: 24.50 GB
  - Windows Version: 6.2 [9200]
  - MOVIE-ONLY mode enabled
  - Quality: High Quality (Default), 1-Pass VBR
  - Decoding/Frame serving: NVENCC
  - Audio Settings: AC3=0 DTS=0 HD=1 Kbs=640
[09:02:17] PHASE ONE, Encoding
 - [09:02:17] Processing: VID_00000 (1 of 1)
 - [09:02:17] Extracting A/V streams [VID_00000]
 - [09:03:17] Reencoding video [VID_00000]
   - Source Video: MPEG-4 (AVC), 1920x1080
   - Rate/Length: 23.976fps, 171,169 frames
   - Bitrate: 27,310 Kbs
 - [09:03:17] Reencoding: VID_00000, Pass 1 of 1
 - [09:19:26] Video Encode complete
 - [09:19:26] Processing audio tracks
   - Track 4352 (eng): Keeping original audio
[09:19:26]PHASE ONE complete
[09:19:26]PHASE TWO - Rebuild Started
 - [09:19:26] Rebuilding BD file Structure
[09:20:08] - Encode and Rebuild complete
 - WORKFILES folder removed.
[09:20:09] JOB: ANNA_1080P finished.

MediaInfo post reencode to HEVC: I've bolded the Audio parts in question...

Code:
----------------------
[08:46:17] Importing MKV: ANNA_1080P
  - Collecting audio/video streams from source...
  - Converting audio, Track #2, THD to AC3...
  - Building pseudo-BD source structure...
[08:50:52] Video import completed successfully.

MediaInfo:

Video
ID                             : 4113 (0x1011)
Menu ID                        : 1 (0x1)
Format                         : HEVC
Format/Info                    : High Efficiency Video Coding
Format profile                 : Main 10@L4.1@High
Codec ID                       : 36
Duration                       : 1 h 58 min
Bit rate                       : 25.0 Mb/s
Width                          : 1 920 pixels
Height                         : 1 080 pixels
Display aspect ratio           : 16:9
Frame rate                     : 23.976 (24000/1001) FPS
Color space                    : YUV
Chroma subsampling             : 4:2:0
Bit depth                      : 10 bits
Bits/(Pixel*Frame)             : 0.503
Stream size                    : 20.8 GiB
Color range                    : Limited
Color primaries                : BT.709
Transfer characteristics       : BT.709
Matrix coefficients            : BT.709
format_identifier              : HDMV
Source                         : 00000.m2ts / 00000.m2ts

Audio
ID                             : 4352 (0x1100)
Menu ID                        : 1 (0x1)
Format                         : AC-3
Format/Info                    : Audio Coding 3
Commercial name                : Dolby Digital
Codec ID                       : 129
Duration                       : 1 h 58 min
Bit rate mode                  : Constant
Bit rate                       : 640 kb/s
Channel(s)                     : 1 channel
Channel layout                 : C
Sampling rate                  : 48.0 kHz
Frame rate                     : 31.250 FPS (1536 SPF)
Compression mode               : Lossy
Stream size                    : 545 MiB
Language                       : English
Service kind                   : Complete Main
bsid                           : 8
Dialog Normalization           : -31
Dialog Normalization           : -31 dB
acmod                          : 1
lfeon                          : 0
dialnorm_Average               : -31
dialnorm_Average               : -31 dB
dialnorm_Minimum               : -31
dialnorm_Minimum               : -31 dB
dialnorm_Maximum               : -31
dialnorm_Maximum               : -31 dB
dialnorm_Count                 : 1
format_identifier              : AC-3
SamplingCount_Source           : General_Duration
Duration_Source                : General_Duration
Source                         : 00000.m2ts / 00000.m2ts
Misunderstanding? Sure looks like 1 CH Mono to me. Any ideas?

Last edited by spotswood; 7th June 2021 at 00:23.
spotswood is offline   Reply With Quote