DOWNMIX LIMITING
THE INVENTION RELATES TO DOWNMIXING TECHNIQUES BY WHICH OUTPUT AUDIO SIGNALS ARE OBTAINED FROM INPUT AUDIO SIGNALS PARTITIONED INTO SUBGROUPS. A VARIABLE COMMON GAIN LIMITING FACTOR IS APPLIED TO ALL DOWNMIX COEFFICIENTS THAT GOVERN THE CONTRIBUTIONS FROM THE INPUT SIGNALS IN A SUBGROUP. WHILE PRESE...
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| creator | WARD, MICHAEL VENEZIA, STEVEN WILSON, RHONDA DRESSLER, ROGER |
| description | THE INVENTION RELATES TO DOWNMIXING TECHNIQUES BY WHICH OUTPUT AUDIO SIGNALS ARE OBTAINED FROM INPUT AUDIO SIGNALS PARTITIONED INTO SUBGROUPS. A VARIABLE COMMON GAIN LIMITING FACTOR IS APPLIED TO ALL DOWNMIX COEFFICIENTS THAT GOVERN THE CONTRIBUTIONS FROM THE INPUT SIGNALS IN A SUBGROUP. WHILE PRESERVING THE PROPORTIONS BETWEEN SIGNAL VALUES WITHIN A SUBGROUP, THE INVENTION MAKES IT POSSIBLE TO LIMIT THE GAIN OF DIFFERENT INPUT SIGNAL SUBGROUPS TO DIFFERENT EXTENTS, SO THAT RELATIVELY MORE PERCEPTIBLE SIGNALS CAN BE LIMITED RELATIVELY LESS. IT THEN BECOMES POSSIBLE TO ACHIEVE A CONSISTENT DIALOGUE LEVEL WHILE TRANSITIONING IN A LESS PERCEPTIBLE FASHION BETWEEN SIGNAL PORTIONS WITH AND WITHOUT GAIN LIMITING. EMBODIMENTS OF THE INVENTION INCLUDE A METHOD, A MIXING SYSTEM (400) AND A COMPUTER-PROGRAM PRODUCT. |
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A VARIABLE COMMON GAIN LIMITING FACTOR IS APPLIED TO ALL DOWNMIX COEFFICIENTS THAT GOVERN THE CONTRIBUTIONS FROM THE INPUT SIGNALS IN A SUBGROUP. WHILE PRESERVING THE PROPORTIONS BETWEEN SIGNAL VALUES WITHIN A SUBGROUP, THE INVENTION MAKES IT POSSIBLE TO LIMIT THE GAIN OF DIFFERENT INPUT SIGNAL SUBGROUPS TO DIFFERENT EXTENTS, SO THAT RELATIVELY MORE PERCEPTIBLE SIGNALS CAN BE LIMITED RELATIVELY LESS. IT THEN BECOMES POSSIBLE TO ACHIEVE A CONSISTENT DIALOGUE LEVEL WHILE TRANSITIONING IN A LESS PERCEPTIBLE FASHION BETWEEN SIGNAL PORTIONS WITH AND WITHOUT GAIN LIMITING. EMBODIMENTS OF THE INVENTION INCLUDE A METHOD, A MIXING SYSTEM (400) AND A COMPUTER-PROGRAM PRODUCT.</description><subject>ACOUSTICS</subject><subject>MEASURING</subject><subject>MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE</subject><subject>MUSICAL INSTRUMENTS</subject><subject>PHYSICS</subject><subject>SPEECH ANALYSIS OR SYNTHESIS</subject><subject>SPEECH OR AUDIO CODING OR DECODING</subject><subject>SPEECH OR VOICE PROCESSING</subject><subject>SPEECH RECOGNITION</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2018</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBBw8Q_38_WMUPDx9PUM8fRz52FgTUvMKU7lhdLcDHJuriHOHrqpBfnxqcUFicmpeakl8b6RhmYm5oYmjsYEFQAAa_AcjA</recordid><startdate>20180130</startdate><enddate>20180130</enddate><creator>WARD, MICHAEL</creator><creator>VENEZIA, STEVEN</creator><creator>WILSON, RHONDA</creator><creator>DRESSLER, ROGER</creator><scope>EVB</scope></search><sort><creationdate>20180130</creationdate><title>DOWNMIX LIMITING</title><author>WARD, MICHAEL ; VENEZIA, STEVEN ; WILSON, RHONDA ; DRESSLER, ROGER</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_MY164714A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2018</creationdate><topic>ACOUSTICS</topic><topic>MEASURING</topic><topic>MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE</topic><topic>MUSICAL INSTRUMENTS</topic><topic>PHYSICS</topic><topic>SPEECH ANALYSIS OR SYNTHESIS</topic><topic>SPEECH OR AUDIO CODING OR DECODING</topic><topic>SPEECH OR VOICE PROCESSING</topic><topic>SPEECH RECOGNITION</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>WARD, MICHAEL</creatorcontrib><creatorcontrib>VENEZIA, STEVEN</creatorcontrib><creatorcontrib>WILSON, RHONDA</creatorcontrib><creatorcontrib>DRESSLER, ROGER</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>WARD, MICHAEL</au><au>VENEZIA, STEVEN</au><au>WILSON, RHONDA</au><au>DRESSLER, ROGER</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>DOWNMIX LIMITING</title><date>2018-01-30</date><risdate>2018</risdate><abstract>THE INVENTION RELATES TO DOWNMIXING TECHNIQUES BY WHICH OUTPUT AUDIO SIGNALS ARE OBTAINED FROM INPUT AUDIO SIGNALS PARTITIONED INTO SUBGROUPS. 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| subjects | ACOUSTICS MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE MUSICAL INSTRUMENTS PHYSICS SPEECH ANALYSIS OR SYNTHESIS SPEECH OR AUDIO CODING OR DECODING SPEECH OR VOICE PROCESSING SPEECH RECOGNITION TESTING |
| title | DOWNMIX LIMITING |
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