samples to one-quarter or one-eighth of a full-size
samples to one-quarter or one-eighth of a full-size television resolution picture. Table 8.4 shows common streaming resolutions compared to television. Figure 8.5 shows these frame sizes in relation to an SVGA monitor display for NTSC territories. Note that the BT.601 standard has been scaled to compensate for the nonsquare pixels. 164 The Technology of Video and Audio Streaming Table 8.4 Common Image Formats Image format Resolution Frame rate YUV Application HDTV, 1080i 1920 1080 30 interlaced 4:2:2 Broadcast television HDTV, 720p 1280 720 30 progressive 4:2:2 Broadcast television CCIR-601 (NTSC) 720 486 30 interlaced 4:2:2 Broadcast television, DVD CCIR-601 (PAL) 720 576 25 interlaced 4:2:2 SIF (NTSC) 352 240 30 progressive 4:2:0 Streaming video, CD-ROM, SIF (PAL) 352 288 25 progressive 4:2:0 MPEG-1 CIF 352 288 30 progressive 4:2:0 Video conferencing, streaming video QCIF 176 144 30 progressive 4:2:0 Video phone, streaming video Note: Standard Interface Format (SIF); Common Interface Format (CIF); Quarter Common Interface Format (QCIF). 601 SVGA HDTV 720P QSIF SIF width (pxls) height (pxls) 200 400 600 0 200 400 600 800 1000 1200 Figure 8.5 Display resolutions.
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