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I have had similar problems in the past but that was owing to my computer hardware. Has you computer been upgraded recently?
Something else that I've done in the past is muddle up the connections. Have you made sure that your IN jack is going into the OUT socket on the keyboard and that the OUT jack is going into the IN socket?
I can't really understand any other reason that would explain a connectivity issue with the computer.
For example, on my PC, I could select output to the software MIDI generator, the MIDI in my soundcard or the MIDI port. For inputs I had a couple of choices too. I got the PC to play through the keyboard first, to confirm my cables were the right way round, then tackled the input to the PC from the keyboard.
I also used the MIDI leads which terminated on a game port DIN connector which plugged into my soundcard rather than USB, so you will need to identify in your list of ports & sound devices the correct name for your cable's "device".
Some other settings which I had to consider: my keyboard had an option to enable/disable the MIDI in/out, and also I had to select an option to do with timing (I can't remember what it was now), but it definitely prevented the keyboard receiving MIDI from the PC.
To eliminate problems which might be due to the software, you might want to try simply playing a MIDI sound on the PC (a .MID file) with Windows media player, and trying to get the YDP131 to play it. This eliminates settings inthe Yamaha software and verifies the hardware works.
To configure the PC (assuming you have Windows XP), go to Control Panel / Sound & Audio Devices / select the Audio tab, then look at MIDI Output Devices. If your cable is being recognised, it will be listed there. If it's not, time to call the aforementioned electronics retailer!
For the time being perhaps you could run a lead from the phones output to your pc soundcard. You can use the line in socket (blue) BUT START WITH YOUR KEYBOARD VOLUME ON MIN. If you are already trying this but getting a distorted output it is likely that the recording levels are set too high, though soundcard abilities are always very limited. You really need a preamp or better still USB recording input device to get anything approaching good quality.
There are several routes to the level settings dependant on your machine and card software but control panel>sound and audio device properties>volume tab>advanced button should get you there. You may then have to select properties from the options menu and add the relevant level control to the recording section as these are not always shown in the volume controls by default. Click OK to bring up the recording controls and check the relevant select tick box.
Yamaha seem confused about all this themselves. The 140 manual gives the UX16 USB-midi link as an option yet the US site specifically says that it IS NOT compatible with the 140, bizarre. Can someone enlighten me on this point?
Hi Dave,dave brum wrote: I'd actually like to hear from a YDP 131 or similar owner whose MIDI leads actually DO work!!
I recently bought a YDP-140, and when looking at MIDI/USB converters I bought the cheapest thing I could find from eBay for around £7.
I wasn't too sure whether it would work, as I'm using Linux and sometimes it can be trial and error depending on whether drivers are available, but I was pleased to find it was just as easy as plugging it in and it worked straight away.
I am using Rosegarden as my MIDI sequencer, installed in UbuntuStudio..
I would suggest trying a different sequencer instead of the Yamaha thing in case that is the problem,
i think i solve this issue at least with my yamaha YDP-131
just make sure to connect the output midi in the input midi in the piano and the input midi in the output one. this works with me.
i hope it will will u.