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BitJazz
SheerVideo FAQ
Speed: Transmission Channels

Is SheerVideo faster than Ethernet?

Is SheerVideo faster than FireWire 400 or FireWire 800?

Is SheerVideo faster than SDI or HD-SDI?

Is SheerVideo faster than USB or USB 2.0?

Is SheerVideo faster than a SCSI bus?

Is SheerVideo faster than a satellite link?

Is SheerVideo faster than an E1, E2, E3; T1, T2, T3; or ISDN line?

Is SheerVideo faster than an IDE or ATA bus?

Is SheerVideo faster than an optical link?

SheerVideoIs SheerVideo faster than USB or USB 2.0?

Yes. Universal Serial Bus 2.0 (Hi-Speed USB) can handle 480 Mb/s (megabits per second), which amounts to 60 MB/s (megabytes per second). That's 5 times the original USB data rate of 12 MB/s. Yet even on a medium-speed personal computer such as a single-CPU 1 GHz Mac G4, SheerVideo (100 MiB/s) is nearly twice as fast as the fastest USB. On faster computers, SheerVideo outpaces USB by even more.

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SheerVideoIs SheerVideo faster than an IDE or ATA bus?

Yes. Ultra ATA/100 has a throughput of 100 MB/s (megabytes per second), which is 12 times the speed of the 8.33 MB/s of the original ATA-1. But even when running on a mid-range personal computer such as a 1-CPU 1 GHz Mac G4, SheerVideo is just as fast as Ultra ATA/100; and on a moderately fast personal computer such as a dual-processor 1.25 GHz Mac G4, SheerVideo (250 MiB/s) is more than 2.5 times as fast as the fastest IDE/ATA bus. And on a faster computer, SheerVideo is correspondingly faster.

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SheerVideoIs SheerVideo faster than a SCSI bus?

Yes. A SCSI-III Ultra3 160 bus can handle 160 MB/s (megabytes per second), or 32 times the data rate of the original SCSI-1 bus. Yet on a moderately fast personal computer such as a dual-CPU 1.25 GHz Mac G4, SheerVideo (250 MiB/s) is more than 60% faster than the fastest SCSI bus, and on a faster computer, SheerVideo is even faster.

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SheerVideoIs SheerVideo faster than an E1, E2, E3; T1, T2, T3; or ISDN line?

Yes. A top-speed E3 phone line can carry 34.368 Mb/s (megabits per second), or about 4.3 MB/s (megabytes per second), while a top-speed DS-3/T3 line can carry 44.736 Mb/s, or about 5.6 MB/s. That's 30 times the data rate of a T1 or DSL line, 350 times as fast as an ISDN line (128 Kb/s), and 700 times the speed of an ordinary telephone line (64 Kb/s).
DS-0/T00.064 Mb/s
DS-1/T11.544 Mb/s
DS-2/T26.312 Mb/s
DS-3/T344.736 Mb/s
E12.048 Mb/s
E28.448 Mb/s
E334.368 Mb/s
ISDN0.128 Mb/s
DSL1.544 Mb/s
Yet even on a mid-range personal computer such as a single-processor 1 GHz Mac G4, SheerVideo (100 MiB/s) is more than twice as fast as a T3 line, and 3 times as fast as an E3 line. On faster computers, SheerVideo outruns dedicated phone lines by even more.

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SheerVideoIs SheerVideo faster than a satellite link?

Yes, even on a mid-range personal computer such as a 1-CPU 1 GHz Mac G4, SheerVideo (100 MiB/s) is more than 5 times as fast as the fastest satellite link, and on faster computers, SheerVideo pulls even further ahead. Currently, the fastest satellite link can carry around 155 Mb/s (megabits per second), which is a little less than 20 MB/s (megabytes per second). That's a thousand times faster than just a few years ago.

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SheerVideoIs SheerVideo faster than an optical link?

Yes. A twelve-strand OC-12 fiber-optic link can handle 622 Mb/s (megabits per second), which is about 78 MB/s (megabytes per second). That's 12 times the data rate of a simple OC-1 optical link. Yet even on a mid-range personal computer such as a 1-processor 1 GHz Mac G4, SheerVideo (100 MiB/s) is more than 30% faster than an OC-12 fiber-optic link. On faster computers, SheerVideo can outpace even thicker optical cables.

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SheerVideoIs SheerVideo faster than FireWire 400 or FireWire 800?

Yes, on a mid-range personal computer such as a single-processor 1 GHz Mac G4, SheerVideo is already faster than FireWire 800, while on a moderately fast personal computer such as a 2-CPU 1.25 GHz Mac G4, SheerVideo (250 MiB/s) is more than 2.5 times as fast as the fastest FireWire link. And on a faster computer, SheerVideo is correspondingly faster. FireWire 800, the fastest version of FireWire, can transmit 800 Mb/s (megabits per second), which equals 100 MB/s (megabytes per second). That's eight times as fast as the original FireWire 100.

FireWire (Apple's original brand name) is also known as i.LINK (Sony's brand name), or IEEE 1394.

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SheerVideoIs SheerVideo faster than Ethernet?

Yes. On a moderately fast personal computer such as a dual-processor 1.25 GHz Mac G4, SheerVideo (250 MiB/s) is more than twice as fast as the fastest Ethernet, and on a faster computer, SheerVideo is even faster. The fastest Ethernet version, 1000BASE-T, can handle 1 Gb/s (gigabit per second), which is equal to 125 MB/s (megabytes per second).

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SheerVideoIs SheerVideo faster than SDI or HD-SDI?

Yes. The fastest High-Definition Serial Digital Interface (HD-SDI) runs at 1.485 Gb/s (gigabits per second), which is around 186 MB/s (megabytes per second). That's nearly six times as fast as the original SD-SDI (270 Mb/s). On a moderately fast personal computer such as a dual-CPU 1.25 GHz Mac G4, SheerVideo (250 MiB/s) is more than 40% faster than the fastest HD-SDI, and on a faster computer, SheerVideo is even more faster.

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