"NOTE: To Galaxy S/S2/S3/S4, Galaxy Note 1/2, Galaxy Nexus and HTC Rezound owners: The visualizer will sporadically show a flatline with many music players, due to an Android bug related to the built-in DSP in these phones. ![]() Several visualizer apps have this warning message: This is caused by an Android code bug in the Digital Signal Processors, which are included in the new Galaxy and some HTC devices. The bytes in the updateVisualizerFFT are not 0 then, so the app has something to use for visualization, even when the visualizer is created with 0 as an argument. This results in no visualization, since there is no signal to use for visualization. ![]() The bytes in the updateVisualizerFFT method are always 0 for external players, when a visualizer is created with 0 as an argument. I have played music with external players, while debugging the visualizer apps. Visualization for external players does not work on the new Galaxy devices. ![]() It can also use the music from external music players( Winamp for instance). A visualizer can have an internal music player, which means that the app has its own built in player.
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