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- How to compress pictures in powerpoint office 265 720p#
- How to compress pictures in powerpoint office 265 series#
According to each different codec, the number of bits Rate is, the greater the video quality will be, as well as higherĭecoding loading. If we use the same compression method (codec), usually the higher the bit Rate of this video file is about 1.6Mbps (48/30=1.6). If we don’t count theĭata size occupied by the file header and audio, we can say that the bit Size (in bit/s) by video length (in seconds), we will get bit rate (bits Video is usually saved after compression. Introduction and the codec information supported by CAYIN’s SMP player. Please refer to the following sections for a more detailed However, at the same time, this makes it a moreĬomplicated job for media players to deal with various codecs. Variants, new technology is continually developing to enhance theĬompression efficiency. From early lossless compression to the MPEG family and its Video compression methods have been developed for a long In response to the demand forĭigital video storage, video compression technology nowadays plays aĬrucialrole. Just 100 minutes of uncompressed video files. That means your gigantic 500GB hard drive will soon run out of space from
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How to compress pictures in powerpoint office 265 720p#
For example, theĭata size for 10 minutes of 720p (30fps) uncompressed video can beġ280*720*3(bytes per pixels)*30 (fps)*600 (sec.) = 46.35 (Gigabytes) The data size of digital still images isusually very huge. Playing a progress one, but a deinterlacing algorithm will help increase Playing interlaced video will cause a slower loading process than when Use a deinterlacing algorithm to smooth those jagged lines. To solve this issue, multimedia players can Refreshed by turns in order to present the motion effects.įor this reason, sometimes the rapid moving area in the interlaced video The odd-numbered lines are scanned again, and so on. Lines are scanned, and then the even-numbered lines are scanned, then
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Will record the image in alternating sets of lines – the odd-numbered Hand, “ i” represents interlaced scan, which means it Means all pixels will be refreshed when playing each frame. (meaning 1920x1080) to represent resolution. Used, such as 720p (meaning the resolution is 1280 x 720) or 1080i Theįrame size consists of the width (W) and height (H) of Increasein GPU performance, some videos start to be shoot at 60 fps orĭigital video usually uses pixels as the resolution unit. Standard delivers 29.97 (usually implemented as 30fps). For example, the PAL standard delivers 25fps, while the NTSC Smoother and better video quality while increasing multimedia player’s Generally, a higher frame rate will bring The number of frames per second (frame/sec, or fps):Īlso called frame rate, this is the number of still images thatĪre displayed per second. Has become a new and crucial technology to compress and store digital video filesĭigital video has the following attributes: As digital video is getting popular nowadays, it
How to compress pictures in powerpoint office 265 series#
Video, also called motion picture, comprises a series of still images displayed in You may not modify, alter, or copyĭescriptions of digital video in this document are simplified for a better andĬlearer understanding. This document is copyrighted by CAYIN TECHNOLOGY. CAYIN TECHNOLOGY reserves the right to make additions, deletions or modifications to the information at any time without any prior notification. The document may include technical inaccuracies or typographical errors. Suitability of any information contained in this document. Although we strive to provide in thisĭocument the latest developments, we do not warrant the accuracy, effectiveness and This document is only for your reference.