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@@ 290-301 (lines=12) @@
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| 287 |
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return (isset($audioCodingModeLookup[$acmod]) ? $audioCodingModeLookup[$acmod] : false); |
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} |
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public static function centerMixLevelLookup($cmixlev) { |
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static $centerMixLevelLookup; |
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if (empty($centerMixLevelLookup)) { |
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$centerMixLevelLookup = array( |
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0 => pow(2, -3.0 / 6), // 0.707 (-3.0 dB) |
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1 => pow(2, -4.5 / 6), // 0.595 (-4.5 dB) |
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2 => pow(2, -6.0 / 6), // 0.500 (-6.0 dB) |
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3 => 'reserved' |
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); |
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} |
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return (isset($centerMixLevelLookup[$cmixlev]) ? $centerMixLevelLookup[$cmixlev] : false); |
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} |
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public static function surroundMixLevelLookup($surmixlev) { |
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static $surroundMixLevelLookup; |
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@@ 303-314 (lines=12) @@
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| 300 |
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return (isset($centerMixLevelLookup[$cmixlev]) ? $centerMixLevelLookup[$cmixlev] : false); |
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} |
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public static function surroundMixLevelLookup($surmixlev) { |
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static $surroundMixLevelLookup; |
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if (empty($surroundMixLevelLookup)) { |
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$surroundMixLevelLookup = array( |
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0 => pow(2, -3.0 / 6), |
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1 => pow(2, -6.0 / 6), |
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2 => 0, |
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3 => 'reserved' |
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); |
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} |
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return (isset($surroundMixLevelLookup[$surmixlev]) ? $surroundMixLevelLookup[$surmixlev] : false); |
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} |
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public static function dolbySurroundModeLookup($dsurmod) { |
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static $dolbySurroundModeLookup = array( |