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DV codec <DV codec>
Reading: D buoy codec
Field:
Multimedia > home appliance /AV equipment > DV codec
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The software which is built in by digital video camera and does the compression development of animated picture with DV type. As for DV type it is easy compiling with the compressed type which is close to Motion-JPEG, is merit. File size becomes large in comparison with other animated picture compressed type. The DV codec because development is done at every manufacturer, is used really general term of the DV codec of several types, or either one as the name which points to one. There is no compatibility between the respective DV codec. |
DV terminal <digital video interface>
Reading: The D buoy it is it is to do,
Field:
Multimedia > home appliance /AV equipment > DV terminal
|
| Standard of the terminal which connects the digital video equipment and the external equipment of DV standard. With the terminal which conforms to IEEE 1394, connecting the DV equipment, it is possible to do the dubbing of the digital system where deterioration does not occur, to connect the digital video camera to the personal computer and to transfer image, to control the equipment from the personal computer. As for transfer rate 25Mbps. |
DWDM
Reading: D dubbing Ludi m
Full spelling: Dense Wavelength Division Multiplexing
Field:
Network technology > optical communication > DWDM |
| Abbreviation of One of the communication technology which used the optical fiber. By the fact that the plural light information the system which utilizes the optical fiber multiplex. WDM which is similar technology to higher density those which are converted. The light beam where wave length differs has utilized the character that it does not interfere mutually. With this technology, it is possible to make the information transmission quantity on the optical fiber increase rapidly. |
DWH <Data warehouse>
Full spelling: Data WareHouse
Field:
Software > database > DWH
|
| From midst of the mass business data which is accumulated to the time series, the system which analyzes the connection between respective items. When simple example is increased, from the sale data of [konbini] “buying the coffee together is many and so on, with former simple totaling those where relation between each element which has not become clear is investigated are the data warehouse system. |
DX4 <IntelDX4>
Alias:
486DX4 and i486DX4
Field:
Microprocessor > x86/Intel > Intel > DX4 |
| 32 bit microprocessor (MPU) of Intel corporation. Being something which adds 3 double clock technique to i486DX, the circuit inside the processor operates at clock frequency of 3 times that of the external clock (clock frequency of motherboard). There is a 75MHz edition and a 100MHz edition, the motherboard as for the clock is each one 25MHz and 33MHz. |
