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h264-resource-wip:h264:terminology [2012/02/13 16:01] driftwood created |
h264-resource-wip:h264:terminology [2012/02/13 16:21] (current) driftwood |
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| ====== Terminology ====== | ====== Terminology ====== | ||
| - | QCIF - Quarter Common Intermediate Format. A standard size for images produced by low-resolution digital cameras and video cameras. QCIF images are 176 pixels wide and 144 pixels tall (176 x 144). QCIF is smaller than CIF, QVGA, and VGA. | + | * **QCIF** - Quarter Common Intermediate Format. A standard size for images produced by low-resolution digital cameras and video cameras. QCIF images are 176 pixels wide and 144 pixels tall (176 x 144). QCIF is smaller than CIF, QVGA, and VGA. |
| + | * **MPEG** - The Moving Picture Experts Group and the Video Coding Experts Group. | ||
| + | * **AVC** - Advanced Video Coding. | ||
| + | * **H264** - The latest method of encoding and decoding a video bitstream with a better compression/quality factor than earlier methods. | ||
| + | * **Codec** - en~code~r/dec~oder (codec) A video codec is a device or software that encodes lossless video into a compressed lossy data stream ready to be decompressed by a decoder for playback of digital video. The codec employs a complex set of encoding and decoding algorithms to achieve robustness against data loss and error. There are many different codecs available. | ||
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