Bandwidth of different Media Formats



Digital Visual Interface (DVI)
Single Link DVI = 165 MHz, 1.65Gbps, corresponds to: 165 Million pixels with 24bit color depth per second > UXGA resolution of 1600x1200 with 60Hz refresh tare and CTR blanking
Dual Link DVI= 2x165 MHz = 330 MHz, 3.30Gbps

High Definition Multimedia Interface (HDMI)
HDMI 1.0 + 1.1 + 1.2 + 1.2a: 165 MHz, 4.9 Gbps
HDMI 1.3 + 1.4: 340 MHz, 10.2 Gbps

Serial Digital Interface (SDI)
SD-SDI (SMPTE 259M): 270 Mbps, 360 Mbps, 143 Mbps, and 177 Mbps
SD-SDI (SMPTE 344M): 540 Mbps
HD-SDI (SMPTE 292M): 1.485 Gbps (1080i, 720p)
Dual Link HD-SDI (SMPTE 372M): 2.970 Gbps (1080p)
3G-SDI (SMPTE 424M): 2.970 Gbps (1080p)

Terrestrial DTV in North America
DTV channel data rate: up to 19 Mbps

Terrestrial TV - DVB-T
DVB-T channel bandwidth (standard ETS 300744): 6 MHz, 7 MHz or 8 MHz
DVB-T channel data rate: about 4 Mbps to 34 Mbps

Cable TV - DVB-C
general bandwidth of the cable link: 400MHz (range 50 MHz to 450 MHz) or 800 MHz (range 50 MHz to 850 MHz)
regular channel spacing: 8 MHz
cable link 800 MHz: 100 digital QAM channels (each 8 MHz)
gross data rate per channel (bucket): about 40 Mbps
net data rate per channel (bucket): about 38 Mbps

Sat TV - DVB-S
general bandwidth of one satellite: 4 GHz (40 MHz transponder bandwidth) = 100 digital QPSK transponder
frequency range for transmission: 11/12 GHz
channel data rate for one single tv channel: about 1.8 Mbps

BluRay DVD
data rate: 40 Mbps

DVD
MPEG-2 compression, data rate: 5 Mbps

HDV Video (high resolution video recorded on mini DV tape as MPEG-2)
HDV-1 at 720p: 19 Mbps
HDV-2 at 1080i: 25 Mbps

HDTV High Definition Television
MPEG-4 AVC compression, data rate: 8 to 15 Mbps

Sony XDCAM Recording Format (2003), XDCAM, XDCAM HD, XDCAM EX, XDCAM HD422
MPEG-2 compression, 4:2:2, Single Layer Media (23 GB), Dual Layer Media (50 GB)
data rate: 18 Mbps, 35 Mbps

Sony HDCAM Recording Format (1997)
data rate: 135 Mbps or 144 Mbps
1440x1080, 3:1:1, 8 bit, but the playout format over HD-SDI is up sampled to 1920x1080 4:2:2
plus 4 audio channels, 20bit 48Hz

Sony HDCAM SR Recording Format (2003, SMPTE 409M-2005)
RGB signal in 4:4:4 or 4:2:2, 10 bit, MPEG-4 SP compression algorithm
@1080i: 50, 59.94, 60 Hz @1080PsF: 23.98, 24, 25, 29.97 and 30 Hz @720P: 59.94 Hz
plus 12 audio channels, 24bit 48Hz
data rates: 440 Mbps and 880 bps

Computer Graphics VGA,SXGA
Bits per second: SXGA resolution with true color (24bit) and a refresh rate of 100Hz needs a bandwidth of 375 MBps.
(1280 x 1024 x 24 x 100) / 8 [ bps ]
= 393.216.000 [ bps ]
= 375 Mbps

Bandwidth and bits per second ? It depends on several parameters, between 1,2bits and 2,4bits can be transmitted per Hz (bits per second / oscillation per second).

High Quality SD Video (not compressed):
Digital Data = 30 frames per second / 640 x 480 pixels / 24-bit color / pixel => 221 Mbps

Reduced Quality SD Video (not compressed):
Digital Data = 15 frames per second / 320 x 240 pixels / 16-bit color / pixel => 18 Mbps

Videoconferencing: 64 kbps to 3 Mbps
MPEG-1 Video: 1 to 3 Mbps
MPEG-2 SD Video:
- Compression 35 : 1 - 16 : 1 (Quality for Presentation Purpose) 5 - 10 Mbps
- Compression 16 : 1 - 7 : 1 (Betacam SP Replacement) 10 - 25 Mbps
- Compression 7 : 1 - 2 : 1 (Spectacular Imaging) 25 - 90 Mbps
- Compression 40 : 1 - 16 : 1 (DVD) 3.5 - 10 Mbps

CD Quality Audio:
44,1 kHz sample rate / 16-bit samples / 2 audio channels = 1.4 Mbps
MPEG-1 Audio, Layer 3 (MP3), "near CD-quality": 96 to 256 kbps

Computer Data:
10BaseT Ethernet: 10 Mbps
100BaseT Ethernet: 100 Mbps
1Gigabit Ethernet: 1 Gbps

FireWire (IEEE 1394): 400 Mbps
FireWire 800 (IEEE 1394b): 800 Mbps

USB (1.1): 12 Mbps
USB (2.0): 480 Mbps

Fibre Channel FC: 1 Gbps .. 4 Gbps
Fibre Channel (new developments coming up): 40 Gbps

Computer PCI Bus: 132 Mbps



(Mbps = Megabits per second)
Mbps stands for millions of bits per second and is a measure of bandwidth. It represents the total information flow over a given time on a communications medium.

A megabit is a million binary pulses or "bits".

Sometimes 1 Mbps is defined as 1,048,576 bits. But bits in data communications have historically been counted using the decimal number system. This would mean, 1 Mbps is 1.000.000 bits per second, and 28.8 kbit is 28,800 bits per second.

Bandwidth (the width of a band of electromagnetic frequencies) is used to mean how fast data flows on a given transmission path, and the width of the range of frequencies that an electronic signal occupies on a given transmission medium. In digital systems, bandwidth is expressed as data speed in bits per second.