H.261 Datasheet, PDF (3/31 Pages) List of Unclassifed Manufacturers – LINE TRANSMISSION OF NON-TELEPHONE SIGNALS

Recommendation H.261 (03/93)
CONTENTS
1 Scope ..............................................................................................................................................................
2 Brief specification ..........................................................................................................................................
2.1 Video input and output......................................................................................................................
2.2 Digital output and input ....................................................................................................................
2.3 Sampling frequency ..........................................................................................................................
2.4 Source coding algorithm ...................................................................................................................
2.5 Bit rate ..............................................................................................................................................
2.6 Symmetry of transmission................................................................................................................
2.7 Error handling ...................................................................................................................................
2.8 Multipoint operation .........................................................................................................................
3 Source coder...................................................................................................................................................
3.1 Source format....................................................................................................................................
3.2 Video source coding algorithm .........................................................................................................
3.3 Coding control ..................................................................................................................................
3.4 Forced updating ................................................................................................................................
4 Video multiplex coder ....................................................................................................................................
4.1 Data structure....................................................................................................................................
4.2 Video multiplex arrangement............................................................................................................
4.3 Multipoint considerations .................................................................................................................
5 Transmission coder.........................................................................................................................................
5.1 Bit rate ..............................................................................................................................................
5.2 Video data buffering .........................................................................................................................
5.3 Video coding delay ...........................................................................................................................
5.4 Forward error correction for coded video signal...............................................................................
Annex A – Inverse transform accuracy specification...............................................................................................
Annex B – Hypothetical reference decoder .............................................................................................................
Annex C – Codec delay measurement method........................................................................................................
Annex D – Still image transmission........................................................................................................................
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Recommendation H.261 (03/93)
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