Manipulating video and audio signals using a processor which supports SIMD instructions
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United States of America Patent
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May 26, 1998
Grant Date -
N/A
app pub date -
Dec 18, 1995
filing date -
Dec 18, 1995
priority date (Note) -
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Abstract
A computer system which manipulates audio and video signals. A multimedia input device which generates an audio and/or video signal is coupled to a processor. The processor is also coupled to a storage device upon which a decompression routine is stored, the decompression routine including a transposition routine. The transposition routine manipulates data elements associated with the audio or video signal in transposing an array of n rows of a plurality of data elements. The transposition routine causes the processor to interleave data elements from a first row with data elements from a second row to generate a first result. Data elements from a third row are interleaved with data elements from a fourth row to generate a second result. Then, data elements from the first result are interleaved with data elements from the second result to generate a third result.
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