Audio output issues - Reaper 4.78 32bit, OS X 10.6, Behringer UMC404HD
Hi,
I just fall in love with the Repaer when I saw one of my friend using it.
I decided to quit Ableton permanently and start using reaper with its features and user friendly interface. I want to use it only for simple home recording.
As recording music doesn't require much of CPU, RAM and anything else that 4K, UHD and all video stuff needs now, I took my old macbook pro A1151 (Intel Core Duo 2,16Ghz, 2GB RAM). System is 10.6. I cleaned the system and the only program that I have installed right now is the Reaper v4.78 32-bit, and google chrome (old version).
Audio interface that I use is Behringer U-Phoria UMC404HD, and this may be the biggest problem.
So here's the problem:
When I start project everything works fine but after very short period of time (few minutes, or few "play" clicks), audio start to click, distort, freezes and just sounds awful. This happens without any effects. Adding effects makes problem appear instantly (much faster than without effects). When I open old projects with let's say 20 tracks it becomes unlistenable. It goes slow motion and there is more gaps than sounds.
For example I open new project and record first 2 tracks (vocal and guitar) and then I try to record next tracks (trying not to think about clicks), track are way out of sync.
Wav file rendered offline sounds the same.
What I tried already and did not work:
I tried switching disk to faster one (I even tried fast CF card),
I tried changing block size (requesting either big and small),
I tried requesting sample rate (from 192000 to 44100),
I tried changing project sample rate (to 44100),
I tried changing Playback resample mode (to Low),
I tried to change render resample mode,
I tried changing bit depth in project from 24 to 16 bit,
I tried changing from WAV to AIFF,
I tried changing track mixing bit depth (from 32 bit float to 16 bit integer),
I tried changing output sample rate in system midi audio settings from native 192000 to 44100.
So far the best solution is unplugging audio interface and using just build in audio. It's not perfect though, there are still some clicks and drops but I can listen to 20 tracks old project.
Do you guys know what is causing the problem?
I think there are some issues with drivers and audio interface but there are no alternative drivers, just Mac's CoreAudio. Maybe there's a way to put CoreAudio drivers from newer system? I bet they must have changed something since OS X 10.6
As attachment I give you the simple one track recording which is exported as offline but it still sounds the same in project.
I've been trying to find the answer on the forum but there are so many threads that I just don't where to look for it.
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