virtuAMP FAQ - NemPosted: Jul 4th, 2007 - 3:13:10 pm

How do I connect my guitar to my computer?


There are two cheap solutions to this question:

  1. Obtain a 1/4" (6.35 mm) mono to 1/8" (3.5 mm) mono adapter. Such adapters are available at most good audio/video stores. A stereo adapter should also do the job. You should then be able to connect a standard 1/4" guitar cable into the 1/8" line-in or microphone input on your computer. Play as usual using either headphones or speakers.
  2. Obtain a microphone and a set of headphones, connect your microphone to your computer's microphone input and your headphones to your computer's headphone output. Play into your microphone.

Why do my speakers pop when I play my guitar through virtuAMP?


Your computer isn't able to process audio buffers fast enough before receiving the next audio buffer. This is usually caused by a slow CPU or cheap sound card. You can mitigate the effect by trying any combination of the following three settings:

  1. Audio Driver: Try switching between the Windows Multimedia and DirectSound audio drivers. The DirectSound audio driver should provide better priority for audio processing, but requires Windows XP and up.
  2. Audio Buffer Denominator: Try increasing the delay between audio buffer capture and playback by decreasing the audio buffer denominator setting one step at a time. Allow a few seconds to determine effectiveness.
  3. Audio Buffer FPS: Try decreasing the display frame rate by decreasing the audio buffer FPS setting. This will provide more CPU time for audio processing.

How do I connect foot pedals to virtuAMP?


virtuAMP does not support foot pedals, but you can use your keyboard to toggle effects on and off. To add a shortcut:

  1. Select an effect.
  2. While holding the shift key, press the button you wish to use to toggle the effect (you can assign the same key to multiple effects).
  3. The name of the key you selected should appear in the status bar at the bottom of your screen.
  4. Repeat 1-3 for each effect you with to add a shortcut to.

To remove a shortcut:

  1. Select an effect.
  2. While holding the shift key, press delete.
  3. Repeat 1-2 for each effect you with to remove a shortcut from.

Why can't the Player/Recorder effect play my .wav file?


virtuAMP only supports 8 or 16 bit PCM, and 32 bit or 64 bit IEEE floating point .wav files sampled at 44100 Hz.

You may use Audacity to convert your .wav files to an accepted format.

You may also encounter problems if the .wav file is opened in another program, or by virtuAMP for recording. Check the log.txt file in your installation folder for detailed error messages.


How do I improve my sound quality?


virtuAMP is not meant to be a replacement for real guitar amplifiers or professional studio equipment. Having said that, there are many factors that will affect the quality of sound virtuAMP can produce. Your audio card and speakers are probably the most important factors (most computers come with a cheap on-board sound card), and a slow CPU can lead to audible popping as audio buffers aren't processed before they are needed. Upgrading any of these things may lead to a better overall sound.

Ask a question...

Modified: Sep 4th, 2007 - 8:15:19 pm[ 38259 Views ]

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16. philipearlwilliamsModified: Feb 4th, 2009 - 5:11:03 am
i have read the above post where you have said it is working under vista now. what could my problem be? i am using a new computer running windows vista. dual processor and all that. it sould be working but there is a big delay between the played note and the output sound?
please help when you have the time. i will check back often. thank you !

17. philipearlwilliamsModified: Feb 4th, 2009 - 5:22:33 am
i hate to keep bugging you. i am so interested getting this working tho. could my trouble be that i'm connecting my guitar into my computer using a usb connection?
i have always done it this way. i have been using the
audacity program for a number of years now connecting this way. like i've said...the program works great..there is just a slight delay from when i pick a string and the output sound...this is just running the effects!

18. thoughtoPosted: Nov 27th, 2009 - 12:13:45 pm
I am planning to make this work on my nephew's machine over Christmas. It has a 1200 MHz CPU, 512 MB RAM, a fairly old sound blaster card, and at present no speakers. Just wondering if it won't work well due to sluggish cpu, and what good value speakers have been found to work well. OS is WinXP.
I imagine playing a bass through it could blow up smaller speakers - has anyone tried that?
Thanks a lot for any info, sounds like a great program. Wish I still had a guitar, nephew has a Strat!

19. thoughtoPosted: Nov 27th, 2009 - 1:30:45 pm
I downloaded the prog and fired it up on my notebook,just to have a look. This seemed to instigate a horrible amount of feedback and the program crashed XP. Tried it a second time after reboot, same again. Then I muted the "speakers" (built in) and turned off audio in the program. The program seemed stable then. Is the problem because there was no input?
Thanksmyhead Feedback!

20. thoughtoPosted: Dec 13th, 2009 - 2:27:53 am
We have the program working quite nicely now on a very fast computer, but it only has on board sound. Can anyone recommend a good sound card to cut down the latency so there is the minimum delay between the note being played and heard?
Thanks very much for the program!

21. kajun19633Posted: Jun 20th, 2013 - 2:58:04 am
Man I'm on pins and needles wanting to try out virtuamp 1.2.1. I just know it's gonna be what I've been looking for. It looks great. But I can't get it working. I downloaded it and installed and I'm connecting my guitar through the microphone input on my laptop. I bring up the screen for virtuamp and I am able to turn the pedals on and off, I can tell cause the indicator lights up on the pedal I turn on and off when I hit them. I am able to rotate the knobs on each pedal, even though it's hard to get them to rotate with my mouse, they do rotate. But there's absolutely no change in the sound of my guitar. No matter which pedal I try using the sound remains the same. Man this thing looks great, I'm so excited to use it, and even though I haven't been able to give it a shot yet it seems to be so user friendly. That's what I want. I want my attention to be on me playing and not have that time consumed with fidgeting around with my laptop. I am running windows 7. Did I do something wrong with the installation? I've tried everything within the program, changing cables, changing drivers, everything I could try. Also when I click on playback properties and recording properties nothing happens, I don't get any screen or anything that pops up. I sure hope you can help me get this working, it looks so cool. Thanks for anything you can do for me.

22. RayatrPosted: Jun 22nd, 2013 - 3:07:58 am
I can't open the recording/playback properties setting and thus cannot change input to line-in. This is frustrating. I'm using windows 7 but have tried using the various compatibility settings available. What do I do?

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