[RWP] Running Hardware Midi Module

[Jim Snowbarger]

Here is an interesting, and related experiment.
Use the configuration described below.
I assume that, when you unarm the midi track, the drum machine stops 
responding.

But, also make an audio track, and feed the drum machine audio outputs back 
into reaper to be recorded on the audio track.
Now, Arm both tracks, the midi track, and the audio track, at the same time.

Plunk around on the keyboard making the drum machine fire.

Now, play both tracks back together, mixing the drum machine audio outputs 
with reapers audio output.
If things are not compensated correctly, you will hear two separate drum 
hits, separate slightly in time.  Each drum hit you generated will have a 
short echo.
It sounds kind of like two drums hitting at almost, but not quite, the same 
time. I guess the difference here at about 30 milliseconds.  Small, but very 
noticeable.
It's like playing a drum machine through a chorus.
I guess quantization is your friend, eh?



----- Original Message ----- 
From: "Indigo" <33indigo at charter.net>
To: "Reapers Without Peepers" <rwp at reaaccess.com>
Sent: Sunday, August 21, 2011 2:15 PM
Subject: [RWP] Running Hardware Midi Module


> Hi Jim,
> I just hooked up a drum machine, with a 6 foot midi cable from the midi 
> out of my sound card to its midi in, and, playing it from my midi keyboard 
> there's no latency I can detect.
> I also tried it hooked up directly from the midi out of my midi keyboard 
> and I can't tell any difference between direct from the midi keyboard midi 
> out and playing the drum sounds when the midi keyboard's output is going 
> through Reaper, and the drum machine is being fed from Reaper, so, excess 
> latency is not a Reaper bug here.
> I left the midi output device latency offset settings at zero, since I 
> couldn't detect any latency.Have you put a check in the checkbox of the 
> setting in Midi Devices to use reported latency, which will allow Reaper 
> to do latency compensation.
> My track settings are not very different from what I'm using to record 
> from soft synths, Send to Parent on, solo off, mute off, phase off, 
> effects active, record armed on, record mode input, record monitor normal, 
> monitor items off, automation mode touch, volume 00db, pan center, midi 
> output my sound card port 00, channel all, num channels 2.
> Here are the significant settings in the single track's routing dialog:
> master/parent send checked; midi output to the soundcard port 00; send to 
> channel 10.
>
> Either your midi interface or the midi module you're driving must have a 
> bunch of latency that Reaper is not compensating for, so Check use 
> reported latency checkbox in Midi Devices.
>
>
>
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