BBC - Inside the Factory: Pencils (2019)
BBC - Inside the Factory: Pencils (2019)
HDTV | 1280 x 720 | .MP4/AVC @ 3200 Kbps | 58 min 59 s | 1.39 GB
Audio: English AAC 160 Kbps, 2 channels | Subs: English
Genre: Documentary
HDTV | 1280 x 720 | .MP4/AVC @ 3200 Kbps | 58 min 59 s | 1.39 GB
Audio: English AAC 160 Kbps, 2 channels | Subs: English
Genre: Documentary
Gregg Wallace is in Germany, at a historic factory which produces 600,000 pencils a day. At materials intake he is astonished that the main material in a pencil is not lead, but graphite. He helps mix this with clay to produce a 250-kilo batch – enough for 200,000 pencils.
Meanwhile, Cherry Healey is at Manchester University examining the astonishing properties of graphite. She discovers that this highly conductive form of carbon is also able to withstand temperatures up to 3,000 degrees Celsius.
Historian Ruth Goodman is on the trail of the very earliest pencils in the Lake District. It is a story which begins in the 15th century with the discovery of a huge deposit of pure graphite in the Borrowdale valley. Carved into sticks and wrapped in string, it made a brilliant writing tool.
Ruth is also wondering if, in this modern digital age, the pencil is outdated technology. But she finds documents that show the death of handwriting has been prematurely announced on many occasions, dating right back to the invention of the printing press.
General
Complete name : BBC.Inside.the.Factory.Pencils.mp4
Format : MPEG-4
Format profile : Base Media
Codec ID : isom (isom)
File size : 1.39 GiB
Duration : 58 min 59 s
Overall bit rate mode : Variable
Overall bit rate : 3 382 kb/s
Encoded date : UTC 2019-03-20 05:37:18
Tagged date : UTC 2019-03-20 05:37:18
Writing application : My MP4Box GUI 0.6.0.6
Video
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Duration : 58 min 59 s
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Frame rate mode : Constant
Frame rate : 25.000 FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.139
Stream size : 1.33 GiB (95%)
Title : BBC.Inside.the.Factory.Pencils.720p.HDTV.x264.AAC.ua.org.mp4
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Encoded date : UTC 2019-03-20 03:14:09
Tagged date : UTC 2019-03-20 05:38:18
Color range : Limited
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Audio
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Duration : 58 min 59 s
Bit rate mode : Variable
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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 : 67.5 MiB (5%)
Title : BBC.Inside.the.Factory.Pencils.720p.HDTV.x264.AAC..org.mp4
Language : English
Encoded date : UTC 2019-03-20 05:38:11
Tagged date : UTC 2019-03-20 05:38:18
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Stream size : 93.7 KiB (0%)
Title : BBC.Inside.the.Factory.Pencils.720p.HDTV.x264.AAC..org.srt
Forced : No
Encoded date : UTC 2019-03-20 05:38:18
Tagged date : UTC 2019-03-20 05:38:18
Complete name : BBC.Inside.the.Factory.Pencils.mp4
Format : MPEG-4
Format profile : Base Media
Codec ID : isom (isom)
File size : 1.39 GiB
Duration : 58 min 59 s
Overall bit rate mode : Variable
Overall bit rate : 3 382 kb/s
Encoded date : UTC 2019-03-20 05:37:18
Tagged date : UTC 2019-03-20 05:37:18
Writing application : My MP4Box GUI 0.6.0.6
Video
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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 : 58 min 59 s
Bit rate : 3 200 kb/s
Maximum bit rate : 22.9 Mb/s
Width : 1 280 pixels
Height : 720 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 25.000 FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.139
Stream size : 1.33 GiB (95%)
Title : BBC.Inside.the.Factory.Pencils.720p.HDTV.x264.AAC.ua.org.mp4
Writing library : x264 core 130 r2273 b3065e6
Encoding settings : cabac=1 / ref=1 / deblock=1:0:0 / analyse=0x3:0x113 / me=hex / subme=2 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=0 / me_range=16 / chroma_me=1 / trellis=0 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=0 / threads=6 / lookahead_threads=2 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=3 / b_pyramid=2 / b_adapt=1 / b_bias=0 / direct=1 / weightb=1 / open_gop=0 / weightp=1 / keyint=250 / keyint_min=25 / scenecut=40 / intra_refresh=0 / rc_lookahead=10 / rc=abr / mbtree=1 / bitrate=3200 / ratetol=1.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / vbv_maxrate=62500 / vbv_bufsize=78125 / nal_hrd=none / ip_ratio=1.40 / aq=1:1.00
Encoded date : UTC 2019-03-20 03:14:09
Tagged date : UTC 2019-03-20 05:38:18
Color range : Limited
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709
Audio
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Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LC
Codec ID : 40
Duration : 58 min 59 s
Bit rate mode : Variable
Bit rate : 160 kb/s
Maximum bit rate : 264 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 : 67.5 MiB (5%)
Title : BBC.Inside.the.Factory.Pencils.720p.HDTV.x264.AAC..org.mp4
Language : English
Encoded date : UTC 2019-03-20 05:38:11
Tagged date : UTC 2019-03-20 05:38:18
Text
ID : 3
Format : Timed Text
Codec ID : tx3g
Duration : 58 min 25 s
Bit rate mode : Variable
Bit rate : 219 b/s
Stream size : 93.7 KiB (0%)
Title : BBC.Inside.the.Factory.Pencils.720p.HDTV.x264.AAC..org.srt
Forced : No
Encoded date : UTC 2019-03-20 05:38:18
Tagged date : UTC 2019-03-20 05:38:18
Screenshots
BBC - Inside the Factory: Pencils (2019)
BBC - Inside the Factory: Pencils (2019)
BBC - Inside the Factory: Pencils (2019)
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