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Bleeding between tracks with M-Audio Fast Track USB Audio Interfaces
Old 16th August 2007
  #1
Here for the gear
 

Bleeding between tracks with M-Audio Fast Track USB

I'm having problems with an M-Audio Fast Track USB in my PC. Once I got thing working with the latest drivers it works fine except I seem to get bleed between tracks.

I've verified this in Reaper and FL Studio 7.

So using Reaper I create a new track, load in the soundfont player and program a simple drum loop. I play this back looping at the end.

I create another track and load guitar rig 2. I select a preset with distortion (primarily one downloaded from the net), arm the track for recording, select the appropriate input and start recording.

When I'm recording, before I start playing the guitar, I can hear the drum track affecting the guitar track. Both are routed to the master output track/channel.

When I say affect, I mean that every time the bass or snare drum sounds the guitar track meter jumps. I can also hear the drum sound affect the GR2 FX background noise/hiss, if that makes sense.

I'm using M-Audio's latest drivers and my PC spec is:

AMD64 3200
1Gb
SATA 200Gb
SB Live! Value
WinXP SP2
MSI NEO2 Platinum motherboard
ASUS 6600GT

My guitar is a Washburn MG-34 I think.

I went through the basics of recording with Reaper with a helpful soul on the Reaper forums; he's a professional engineer so I'm confident he suggested everything he could think of. It appears that I'm using Reaper correctly - i.e. not doing anything stupid like routing one track to another by accident. Anyone else experienced this? Any suggestions appreciated.
Old 23rd August 2007
  #2
Here for the gear
 

Doesn't look like anyone is too interested, but here's an update:

I heard back from M-Audio support today. If you set the input level switch to "LINE" the bleed/leak disappears. If you set it to "GUITAR" which is obviously the correct setting both logically and according to the manual, it bleeds/leaks. Support said they can recreate this and they'll pass it to the US engineers and get back to me.

Here's a basic test to re-create the problem for those with M-Audio Fast Tracks.

Ensure the input level switch is set to "GUITAR" as it should be.

Cutting it down to the bare bones in Reaper. I create a track, add the SoftDrum VST and program a simple drum loop using MIDI.

I then create a new track, arm it for recording, select the input as Line 2 Fast Track and choose to monitor input. I then add ReaComp compressor VST to this second track and if I look at the monitor for the track or look at the VST plugin UI I can see the monitor registering noise in time with the drum beats. As though the output is being fed back into the input.
Old 11th September 2007
  #3
Lives for gear
 
ImJohn's Avatar
Thank you for the report! I'm looking at one of these as a gift and now I may look elsewhere.
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