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MediaPortal 1
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General Development (no feature request here!)
MediaPortal Audio renderer - better video playback quality
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<blockquote data-quote="tourettes" data-source="post: 751312" data-attributes="member: 10858"><p>Here's a quick test binary for the quality control. All six settings from SoundTouch library has been exposed. Default values will be written to registry on the 1st run. There is no other changes in the renderer itself.</p><p></p><p>Straight from the SoundTouch source code:</p><p></p><p>[code]</p><p>/// Enable/disable anti-alias filter in pitch transposer (0 = disable)</p><p>#define SETTING_USE_AA_FILTER 0</p><p></p><p>/// Pitch transposer anti-alias filter length (8 .. 128 taps, default = 32)</p><p>#define SETTING_AA_FILTER_LENGTH 1</p><p></p><p>/// Enable/disable quick seeking algorithm in tempo changer routine</p><p>/// (enabling quick seeking lowers CPU utilization but causes a minor sound</p><p>/// quality compromising)</p><p>#define SETTING_USE_QUICKSEEK 2</p><p></p><p>/// Time-stretch algorithm single processing sequence length in milliseconds. This determines </p><p>/// to how long sequences the original sound is chopped in the time-stretch algorithm. </p><p>/// See "STTypes.h" or README for more information.</p><p>#define SETTING_SEQUENCE_MS 3</p><p></p><p>/// Time-stretch algorithm seeking window length in milliseconds for algorithm that finds the </p><p>/// best possible overlapping location. This determines from how wide window the algorithm </p><p>/// may look for an optimal joining location when mixing the sound sequences back together. </p><p>/// See "STTypes.h" or README for more information.</p><p>#define SETTING_SEEKWINDOW_MS 4</p><p></p><p>/// Time-stretch algorithm overlap length in milliseconds. When the chopped sound sequences </p><p>/// are mixed back together, to form a continuous sound stream, this parameter defines over </p><p>/// how long period the two consecutive sequences are let to overlap each other. </p><p>/// See "STTypes.h" or README for more information.</p><p>#define SETTING_OVERLAP_MS 5</p><p>[/code]</p></blockquote><p></p>
[QUOTE="tourettes, post: 751312, member: 10858"] Here's a quick test binary for the quality control. All six settings from SoundTouch library has been exposed. Default values will be written to registry on the 1st run. There is no other changes in the renderer itself. Straight from the SoundTouch source code: [code] /// Enable/disable anti-alias filter in pitch transposer (0 = disable) #define SETTING_USE_AA_FILTER 0 /// Pitch transposer anti-alias filter length (8 .. 128 taps, default = 32) #define SETTING_AA_FILTER_LENGTH 1 /// Enable/disable quick seeking algorithm in tempo changer routine /// (enabling quick seeking lowers CPU utilization but causes a minor sound /// quality compromising) #define SETTING_USE_QUICKSEEK 2 /// Time-stretch algorithm single processing sequence length in milliseconds. This determines /// to how long sequences the original sound is chopped in the time-stretch algorithm. /// See "STTypes.h" or README for more information. #define SETTING_SEQUENCE_MS 3 /// Time-stretch algorithm seeking window length in milliseconds for algorithm that finds the /// best possible overlapping location. This determines from how wide window the algorithm /// may look for an optimal joining location when mixing the sound sequences back together. /// See "STTypes.h" or README for more information. #define SETTING_SEEKWINDOW_MS 4 /// Time-stretch algorithm overlap length in milliseconds. When the chopped sound sequences /// are mixed back together, to form a continuous sound stream, this parameter defines over /// how long period the two consecutive sequences are let to overlap each other. /// See "STTypes.h" or README for more information. #define SETTING_OVERLAP_MS 5 [/code] [/QUOTE]
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