Bad AAC audio quality in Handbrake.
Now the program move from LibaV to FFmpeg; any plan to improve AAC audio quality encoding?
Steps to reproduce the problem (If Applicable):
Convert any video with AAC (avcodec) in Handbrake Windows GUI
HandBrake version (e.g., 1.0.0):
HandBrake Nightly 20180616150159-1dac209-master (2018061701)
Operating system and version (e.g., Ubuntu 16.04 LTS, macOS 10.13 High Sierra, Windows 10 Creators Update):
Windows 10 64bit Redstone 4
HandBrake Activity Log ***required*** (see How-to get an activity log)
Code: Select all
HandBrake Nightly 20180616150159-1dac209-master (2018061701)
OS: Microsoft Windows NT 10.0.17134.0
CPU: Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz
Ram: 16342 MB,
GPU Information:
NVIDIA GeForce GTX 1070 - 24.21.13.9811
Screen: 1920x1080
Temp Dir: C:\Users\User\AppData\Local\Temp\
Install Dir: C:\Program Files\HandBrake Nightly
Data Dir: C:\Users\User\AppData\Roaming\HandBrake Team\HandBrake\1.2.0.0
-------------------------------------------
# Starting Encode ...
[14:56:21] hb_init: starting libhb thread
[14:56:21] 1 job(s) to process
[14:56:21] json job:
{
"Audio": {
"AudioList": [
{
"Bitrate": 128,
"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": [],
"ChapterMarkers": false,
"AlignAVStart": true,
"File": "D:\\Video\\Handbrake\\Esrb Cyberpunk 2077 Teaser Trailer-1.mp4",
"Mp4Options": {
"IpodAtom": false,
"Mp4Optimize": true
},
"Mux": 131072
},
"Filters": {
"FilterList": [
{
"ID": 11,
"Settings": {
"crop-bottom": "0",
"crop-left": "0",
"crop-right": "0",
"crop-top": "0",
"height": "800",
"width": "1920"
}
},
{
"ID": 6,
"Settings": {
"mode": "1"
}
}
]
},
"PAR": {
"Num": 1,
"Den": 1
},
"Metadata": {},
"SequenceID": 0,
"Source": {
"Angle": 1,
"Range": {
"Type": "chapter",
"Start": 1,
"End": 1
},
"Title": 1,
"Path": "D:\\Video\\Cyberpunk2077\\Videos\\Cyberpunk 2077 Teaser Trailer\\ESRB_Cyberpunk 2077 Teaser Trailer.mp4"
},
"Subtitle": {
"Search": {
"Burn": false,
"Default": false,
"Enable": false,
"Forced": false
},
"SubtitleList": []
},
"Video": {
"Encoder": 65536,
"TwoPass": false,
"Turbo": false,
"ColorMatrixCode": 0,
"Options": "ref=4:bframes=4:b-adapt=2:direct=auto:me=umh:subme=9:merange=24:analyse=all:trellis=2:psy-rd=1.0,0.15:deblock=-1,-1",
"Quality": 22.0,
"HWDecode": false,
"QSV": {
"Decode": false,
"AsyncDepth": 0
}
}
}
[14:56:21] CPU: Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz
[14:56:21] - Intel microarchitecture Kaby Lake
[14:56:21] - logical processor count: 8
[14:56:21] Intel Quick Sync Video support: no
[14:56:21] hb_scan: path=D:\Video\Cyberpunk2077\Videos\Cyberpunk 2077 Teaser Trailer\ESRB_Cyberpunk 2077 Teaser Trailer.mp4, title_index=1
udfread ERROR: ECMA 167 Volume Recognition failed
src/libbluray/disc/disc.c:323: failed opening UDF image D:\Video\Cyberpunk2077\Videos\Cyberpunk 2077 Teaser Trailer\ESRB_Cyberpunk 2077 Teaser Trailer.mp4
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
[14:56:21] bd: not a bd - trying as a stream/file instead
libdvdnav: Using dvdnav version 5.0.3
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
[14:56:21] dvd: not a dvd - trying as a stream/file instead
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'D:\Video\Cyberpunk2077\Videos\Cyberpunk 2077 Teaser Trailer\ESRB_Cyberpunk 2077 Teaser Trailer.mp4':
Metadata:
major_brand : M4V
minor_version : 1
compatible_brands: M4V mp42isom
creation_time : 2013-01-08T12:23:12.000000Z
Duration: 00:02:20.25, start: 0.000000, bitrate: 8160 kb/s
Stream #0:0(eng): Video: h264 (Baseline) (avc1 / 0x31637661), yuv420p(tv), 1920x800 [SAR 1:1 DAR 12:5], 8001 kb/s, 25 fps, 25 tbr, 25k tbn, 50 tbc (default)
Metadata:
creation_time : 2013-01-08T12:23:12.000000Z
handler_name : Mainconcept MP4 Video Media Handler
encoder : AVC Coding
Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 157 kb/s (default)
Metadata:
creation_time : 2013-01-08T12:23:12.000000Z
handler_name : Mainconcept MP4 Sound Media Handler
[14:56:21] scan: decoding previews for title 1
[14:56:21] scan: audio 0x1: aac, rate=48000Hz, bitrate=157391 English (AAC LC) (2.0 ch)
[14:56:21] scan: 10 previews, 1920x800, 25.000 fps, autocrop = 0/0/0/0, aspect 2.40:1, PAR 1:1
[14:56:21] scan: supported video decoders: avcodec qsv
[14:56:22] libhb: scan thread found 1 valid title(s)
[14:56:22] starting job
[14:56:22] work: track 1, dithering not supported by codec
[14:56:22] job configuration:
[14:56:22] * source
[14:56:22] + D:\Video\Cyberpunk2077\Videos\Cyberpunk 2077 Teaser Trailer\ESRB_Cyberpunk 2077 Teaser Trailer.mp4
[14:56:22] + title 1, chapter(s) 1 to 1
[14:56:22] + container: mov,mp4,m4a,3gp,3g2,mj2
[14:56:22] + data rate: 8160 kbps
[14:56:22] * destination
[14:56:22] + D:\Video\Handbrake\Esrb Cyberpunk 2077 Teaser Trailer-1.mp4
[14:56:22] + container: MPEG-4 (libavformat)
[14:56:22] + optimized for HTTP streaming (fast start)
[14:56:22] + align initial A/V stream timestamps
[14:56:22] * video track
[14:56:22] + decoder: h264
[14:56:22] + bitrate 8001 kbps
[14:56:22] + filters
[14:56:22] + Framerate Shaper (mode=1)
[14:56:22] + frame rate: 25.000 fps -> constant 25.000 fps
[14:56:22] + Crop and Scale (width=1920:height=800:crop-top=0:crop-bottom=0:crop-left=0:crop-right=0)
[14:56:22] + source: 1920 * 800, crop (0/0/0/0): 1920 * 800, scale: 1920 * 800
[14:56:22] + Output geometry
[14:56:22] + storage dimensions: 1920 x 800
[14:56:22] + pixel aspect ratio: 1 : 1
[14:56:22] + display dimensions: 1920 x 800
[14:56:22] + encoder: H.264 (libx264)
[14:56:22] + options: ref=4:bframes=4:b-adapt=2:direct=auto:me=umh:subme=9:merange=24:analyse=all:trellis=2:psy-rd=1.0,0.15:deblock=-1,-1
[14:56:22] + quality: 22.00 (RF)
[14:56:22] * audio track 1
[14:56:22] + decoder: English (AAC LC) (2.0 ch) (track 1, id 0x1)
[14:56:22] + bitrate: 157 kbps, samplerate: 48000 Hz
[14:56:22] + mixdown: Stereo
[14:56:22] + encoder: AAC (libavcodec)
[14:56:22] + bitrate: 128 kbps, samplerate: 48000 Hz
[14:56:22] sync: expecting 3506 video frames
[14:56:22] encavcodecaInit: Unknown avcodec option stereo_mode
[14:56:22] encx264: encoding at constant RF 22.000000
[14:56:22] encx264: unparsed options: ref=4:bframes=4:b-adapt=2:direct=auto:me=umh:subme=9:merange=24:analyse=all:trellis=2:psy-rd=1,0.15:deblock=-1,-1
x264 [info]: using SAR=1/1
x264 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
x264 [info]: profile High, level 4.0
[14:56:22] sync: first pts video is 0
[14:56:22] sync: Chapter 1 at frame 1 time 0
[14:56:22] sync: first pts audio 0x1 is 0
[14:58:48] reader: done. 1 scr changes
[14:58:50] work: average encoding speed for job is 23.430313 fps
[14:58:50] vfr: 3505 frames output, 0 dropped and 0 duped for CFR/PFR
[14:58:50] vfr: lost time: 0 (0 frames)
[14:58:50] vfr: gained time: 0 (0 frames) (0 not accounted for)
[14:58:50] aac-decoder done: 6572 frames, 0 decoder errors
[14:58:50] h264-decoder done: 3505 frames, 0 decoder errors
[14:58:50] sync: got 3505 frames, 3506 expected
[14:58:50] sync: framerate min 25.000 fps, max 25.000 fps, avg 25.000 fps
x264 [info]: frame I:42 Avg QP:16.68 size: 84701
x264 [info]: frame P:1009 Avg QP:20.37 size: 28138
x264 [info]: frame B:2454 Avg QP:22.64 size: 7414
x264 [info]: consecutive B-frames: 5.7% 3.5% 20.0% 33.7% 37.1%
x264 [info]: mb I I16..4: 37.9% 36.6% 25.5%
x264 [info]: mb P I16..4: 13.8% 13.2% 2.0% P16..4: 33.8% 6.8% 4.6% 0.2% 0.1% skip:25.7%
x264 [info]: mb B I16..4: 1.6% 1.5% 0.2% B16..8: 35.0% 3.0% 0.5% direct: 2.3% skip:55.9% L0:52.3% L1:41.7% BI: 6.0%
x264 [info]: 8x8 transform intra:44.5% inter:59.7%
x264 [info]: direct mvs spatial:99.5% temporal:0.5%
x264 [info]: coded y,uvDC,uvAC intra: 29.7% 44.2% 13.6% inter: 7.8% 13.7% 1.3%
x264 [info]: i16 v,h,dc,p: 18% 47% 12% 23%
x264 [info]: i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 21% 18% 31% 4% 5% 5% 6% 5% 6%
x264 [info]: i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 16% 31% 13% 5% 7% 7% 7% 5% 8%
x264 [info]: i8c dc,h,v,p: 42% 34% 15% 9%
x264 [info]: Weighted P-Frames: Y:8.6% UV:5.2%
x264 [info]: ref P L0: 68.0% 11.8% 15.6% 4.2% 0.4% 0.0%
x264 [info]: ref B L0: 91.6% 7.4% 1.0%
x264 [info]: ref B L1: 97.6% 2.4%
x264 [info]: kb/s:2861.20
[14:58:50] mux: track 0, 3505 frames, 50140907 bytes, 2860.29 kbps, fifo 2048
[14:58:50] mux: track 1, 6573 frames, 2192269 bytes, 125.06 kbps, fifo 4096
[14:58:50] libhb: work result = 0
# Encode Completed ...