About ERP, Enterprise Resource Planning, ERP Software,

Sponsored Links

ERP Poll

Overview ERP

ERP System Development

ERP System Technology

ERP Conception method

ABOUT ERP HOME PAGE

ERP erpsystemswordsm Home Page

MPEG

Reading: M peg
Full spelling: Moving Picture Experts Group
Field:
Multimedia > animated picture > MPEG

One of compressed systems of image data. Name of the specialist organization which is installed by ISO is that way used. Doing, it compresses the data e.g., it detects just the part where the inside of the picture moves and retains. Each standard to MPEG-4 is decided from MPEG-1, as for playback quality MPEG-1 like the VTR, MPEG-2 is like the hi-vision television.

MPEG-1

Reading: M peg one
Full spelling: Moving Picture Experts Group phase 1
Field:
Multimedia > animated picture > MPEG-1

At one of compressed systems of image data, portion of MPEG standard. When playing back animated picture and sound the data rate of 1.5Mbps is needed together. As for picture quality like the video of VHS. With Video CD and the like it is utilized.

MPEG-2

Reading: M peg two
Full spelling: Moving Picture Experts Group phase 2
Field:
Multimedia > animated picture > MPEG-2

At one of compressed systems of image data, portion of MPEG standard. When playing back animated picture and sound the data rate 4 - 15Mbps is needed together. As for picture quality like the video of S-VHS. It is utilized with the next generation digital television and the like of DVD-Video and ATSC etc. MPEG-3 system does not exist because it was absorbed in MPEG-2.

MPEG-2 Audio AAC <AAC>

Field:
Multimedia > sound/music > MPEG-2 Audio AAC

The speech compression system which is used with image compressed standard MPEG-2 or MPEG-4. It was standardized in 1997 April as ISO 13818-7. As for maximum sampling frequency with 96kHz, as for the number of channels which can be used maximum of it is channel 48. About 1.4 times compressed efficiency is higher than MP3 which is the speech compression system which is adopted for MPEG-1, the sound quality almost the same.

MPEG-4

Reading: M peg four
Full spelling: Moving Picture Experts Group phase 4
Field:
Multimedia > animated picture > MPEG-4

At one of compressed systems of image data, portion of MPEG standard. Version 1 which hits to basic standard 1999 March, Version 2 which becomes the superior interchangeable standard of Version 1 decided formally in 2001 March. It led the circuit whose transmission speed of the portable telephone and telephone line and the like is low, low with the standard which designates transmitting the image of picture quality and high pressure reduction ratio as purpose, animated picture and sound you have aimed toward the fact that together it can play back at the data rate of 64kbps.