tielemat Posted March 6, 2018 Share Posted March 6, 2018 Hi everybody ... I'm trying to connect my PX-5S to an ipad using an Apple camera connection kit and a Belkin USB hub (F5U701-BLK), recommended for avoiding the documented ground noise problem. But whatever I try, I cannot get rid of the unwanted noise. I would like to use AUM on the Ipad. Do you have any ideas for a potential solution ? Thanks in advance ! (I do have an Iconnectivity Iconnectmidi 2+ but in this case , I would like to use two keyboards through USB only). Quote Link to comment Share on other sites More sharing options...
Brad Saucier Posted March 6, 2018 Share Posted March 6, 2018 Use the MIDI ports instead of USB MIDI. MIDI ports have a noise isolation system in place. MIDI to USB converter cables like E-MU Xtab will work great, or any other device that can convert MIDI to USB. Quote Link to comment Share on other sites More sharing options...
tielemat Posted March 6, 2018 Author Share Posted March 6, 2018 Thank you, Brad , for your reply. This might be a solution. Sad though I can't use the PX-5s' USB connection .. Quote Link to comment Share on other sites More sharing options...
XW-Addict Posted March 7, 2018 Share Posted March 7, 2018 What kind of noise from which device is generated. Quote Link to comment Share on other sites More sharing options...
tielemat Posted March 8, 2018 Author Share Posted March 8, 2018 @XW-Addict .. hi .. basically it's a kind of humming noise on the Ipad when I try to play any synth (I have several such as Synthmaster) from the PX-5S keyboard connected to the ipad either directly through the Camera conenction Kit or going through a Belkin Powered USB Hub. The humming (sounds a little like some distorsion added to the sound) occurs only when I press keys on the Casio. I tested with another keyboard, the M-Audio 49Es , and no humming occurs .. Quote Link to comment Share on other sites More sharing options...
Brad Saucier Posted March 8, 2018 Share Posted March 8, 2018 M-Audio doesn't have audio jacks does it? How are you routing audio line from the iPad and PX-5S when you use the PX-5S as controller? USB noise occurs in lots of gear out there when both USB and audio lines are used together. Mixers, turntables, microphones, audio interfaces, etc. 1 Quote Link to comment Share on other sites More sharing options...
tielemat Posted March 12, 2018 Author Share Posted March 12, 2018 @Brad : you may have found the real issue .. until now I used to route the audio output of the IPad back to the input on the Casio. I’ll try to use the PX-5s as a usb master controller only and route the IPad output to a mixer ! Thanks for the tip ! Quote Link to comment Share on other sites More sharing options...
tielemat Posted March 18, 2018 Author Share Posted March 18, 2018 @Brad : your proposal was indeed the solution : by separating audio and USB Midi (PX-5S & Ipad going separately to mixer instead of using "Audio In" of the Casio), I can now use the PX-5S as a master controller for the Ipad through the Camera Connection Kit. Thanks !! Quote Link to comment Share on other sites More sharing options...
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