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本帖最后由 温和派缪斯林 于 2018-1-21 08:38 编辑
一般B站新番都是抹去压制参数,显示 Lagranji Encoder v2.3.3
如果是第一时间在B站看ep2的都知道,第一版B站压糊了,上线第二版的时候估计是太匆忙忘记把压制参数抹去了 ,如下- Video
- ID : 1
- Format : AVC
- Format/Info : Advanced Video Codec
- Format profile : High@L4.1
- Format settings, CABAC : Yes
- Format settings, ReFrames : 4 frames
- Codec ID : avc1
- Codec ID/Info : Advanced Video Coding
- Duration : 23 min 59 s
- Bit rate : 3 800 kb/s
- Width : 1 920 pixels
- Height : 1 080 pixels
- Display aspect ratio : 16:9
- 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) : 0.076
- Stream size : 652 MiB (95%)
- Writing library : x264 core 148 r2638kMod 7599210
- Encoding settings : cabac=1 / ref=4 / deblock=1:1:1 / analyse=0x3:0x113 / me=hex / subme=7 / psy=1 / fade_compensate=0.00 / psy_rd=0.40:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=24 / lookahead_threads=4 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / fgo=0 / bframes=5 / b_pyramid=2 / b_adapt=1 / b_bias=0 / direct=1 / weightb=1 / open_gop=0 / weightp=2 / keyint=250 / keyint_min=23 / scenecut=40 / intra_refresh=0 / rc_lookahead=40 / rc=2pass / mbtree=1 / bitrate=3800 / ratetol=1.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / ip_ratio=1.40 / aq=1:0.60
- Audio
- ID : 2
- Format : AAC
- Format/Info : Advanced Audio Codec
- Format profile : LC
- Codec ID : 40
- Duration : 24 min 0 s
- Bit rate mode : Constant
- Bit rate : 192 kb/s
- Channel(s) : 2 channels
- Channel positions : Front: L R
- Sampling rate : 48.0 kHz
- Frame rate : 46.875 FPS (1024 spf)
- Compression mode : Lossy
- Stream size : 33.0 MiB (5%)
- Default : Yes
- Alternate group : 1
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作为对比,下边的horriblesubs扒的网飞的 京紫ep02的压制参数
- Video
- ID : 1
- Format : AVC
- Format/Info : Advanced Video Codec
- Format profile : Main@L4
- Format settings, CABAC : Yes
- Format settings, ReFrames : 3 frames
- Codec ID : V_MPEG4/ISO/AVC
- Duration : 24 min 13 s
- Bit rate mode : Variable
- Bit rate : 2 150 kb/s
- Maximum bit rate : 3 225 kb/s
- Width : 1 920 pixels
- Height : 1 080 pixels
- Display aspect ratio : 16:9
- Frame rate mode : Constant
- 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) : 0.043
- Stream size : 361 MiB (92%)
- Writing library : x264 core 148
- Encoding settings : cabac=1 / ref=3 / deblock=1:0:0 / analyse=0x1:0x111 / me=umh / subme=10 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=24 / chroma_me=1 / trellis=2 / 8x8dct=0 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=8 / lookahead_threads=1 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / stitchable=1 / constrained_intra=0 / bframes=2 / b_pyramid=0 / b_adapt=2 / b_bias=0 / direct=3 / weightb=1 / open_gop=0 / weightp=2 / keyint=48 / keyint_min=25 / scenecut=0 / intra_refresh=0 / rc_lookahead=48 / rc=2pass / mbtree=1 / bitrate=2150 / ratetol=1.0 / qcomp=0.50 / qpmin=6 / qpmax=51 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / vbv_maxrate=3225 / vbv_bufsize=4300 / nal_hrd=vbr / filler=0 / ip_ratio=1.40 / aq=1:1.00
- Default : Yes
- Forced : No
- Statistics Tags Issue : no_variable_data 1970-01-01 00:00:00 / no_variable_data 2010-02-22 21:41:29 / UTC 2018-01-11 06:34:53
- FromStats_BitRate : 2121418
- FromStats_Duration : 00:24:13.744000000
- FromStats_FrameCount : 34855
- FromStats_StreamSize : 385499847
- Audio
- ID : 2
- Format : E-AC-3
- Format/Info : Enhanced Audio Coding 3
- Format settings, Endianness : Big
- Codec ID : A_EAC3
- Duration : 24 min 13 s
- Bit rate mode : Constant
- Bit rate : 128 kb/s
- Channel(s) : 2 channels
- Channel positions : Front: L R
- Sampling rate : 48.0 kHz
- Frame rate : 187.500 FPS (256 spf)
- Compression mode : Lossy
- Stream size : 22.2 MiB (6%)
- Language : Japanese
- Service kind : Complete Main
- Default : Yes
- Forced : No
- Encoded date : UTC 2018-01-11 06:34:53
复制代码亮点自寻
那我总结下吧,辣鸡网飞:码率低,音质辣鸡; 辣鸡B站:第二版都是这么低的压制参数,第一版可想而知。
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