Wednesday, December 14, 2005

Audio Video Bitrates

DFW - DirecTV HDTV Bitrate Monitor
Introduction to Digital Video Casette (DV) (www.digvid.info) 25Mbps video + 1.5Mbps audio, 12GB per 60min tape, 26.6Mbps
video file format bitrates
Nedron's Faq-O-Matic: What is the bitrate of HDTV broadcasts? ATSC 19.3 MBPS
Doom9's Forum - ATSC (US Digital (HD)TV standard) Basics 19.4 MBPS
Comparison Spec Table Between HDR-FX1, JVC GR-HD1 and JY-HD10U HDV 1080i 25mbps, 720p 19.7mbps
Serial Digital Interface bitrate of SDI and HDSDI
SDI 270 Mbps
HD-SDI 1.485 Mbps 5.5x of SD
Digital Visual Interface
DVI 3 x 165 Mhz
The TFT Connection TMDS Transmitter, 10 bits per pixel. 4.95 Gbps bandwidth
Detailed documentation here: Silicon Image

CD -> 1411.2 kbps, 1 hour = 635MB, 44.1khz
VCD -> 1150V+224A = 1374kbps
700MB 80 min CDROM -> 1.17 Mbps
12cm 4.7GB DVDROM -> 10.4Mbps(1 hour), 5.2Mbps(2 hour), 3.5Mbps(3 hour), 2.6Mbps(4 hour), 1.7Mbps(6 hour), 1.3Mbps(8 hour)
8cm single-layer single-sided 1.4GB miniDVD -> 9Mbps VBR(20 min), 6Mbps CBR(30 min), 3Mbps CBR(1 hour)

Canon Powershot digital camera movie mode, mjpeg
5mp mono, 640x480 30 fps, 1,980KB/sec (mono), 320x240 60 fps, 1,320KB/sec
6mp-7mp mono, 640x480 30 fps, 1,920KB/sec, 320x240 60 fps, 1,320KB/sec
7mp-12mp mono, 640x480 30 fps, 1,963KB/sec, 320x240 60 fps, 1,363KB/sec, lapse 64KB/frame
8mp stereo, 640x480 30 fps, 2,006KB/sec, 320x240 60 fps, 1,406KB/sec, lapse 64KB/frame, worse than 84KB of small/normal shot
audio is half of CD quality in wave format, stereo 86KB/sec, 688kbps, 22khz?

H.264:
10mp-14.7mp mono pcm, 640x480 30 fp, H.264 1,316KB/sec, 320x240 30 fps, 394KB/sec, 4GB or 60 min (86KB/sec audio, 1376kbps, 43khz)
10mp stereo, 640x480 30 fp, 1,402KB/sec, 320x240 30 fps, 480KB/sec. cd quality audio 172KB/s

HD video movie
Canon

Canon HD SX1 10MP CMOS 1/2.3" H.264 1920x1080p 30fps 5,296KB/s, 640x480 1,402KB/s, stereo 176KB/s
Canon tx1, 1280x720 MJPEG 30fps, 4,480KB/sec, 640x480 30 fps, 1,920KB/sec, 320x240 60 fps, 1,370KB/sec
* Canon HD 12.1MP 1/2.3" H.264 1280x720 30fps 2,955KB/s, 640x480 1,316KB/s, monaural 86KB/s
Canon SD4000 10MP CMOS no optical zoom during movie. MJPEG 1280x720 30fps 3,057KS/s, 640x480 1,417KB/s

Panasonic AVCHD Lite 1280x720 30fps 17Mbps

Canon Rebel T1i H.264 1920x1080 20fps 5.5MB/s, 1280x720 30fps 3.7MB/s, 640x480 30fps 2.75MB/s, mono linear PCM

flip MinoHD 1280x720 9 mbps 4GB 60 min

Panasonic FX500 FX580 FX520 1200x720 30fps motion jpeg 31.5 mbps 3,940 KB/s

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