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I would like to set up Dragon NaturallySpeaking on a Windows XP guest, on an Ubuntu Linux host.

Will this work? Are there any issues that I should be aware of?

Thinkpad T61p Ubuntu 9.10 host Windows XP guest VirtualBox 3.1.4

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migrated from Feb 14 '10 at 7:56

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Think it'll be better if you frame the question as "Are there any problems using Dragon NaturallySpeaking in a VirtualBox Windows guest, Linux host" and then post your experience as an answer – Sathya Feb 14 '10 at 12:16
That's not a question, right ? – Studer Feb 14 '10 at 19:42

Here are some issues that arise (1 - 3 are mine, 4 and 5 from OP)

  1. On Ubuntu Linux 9.04: I found that it is necessary to allocate at least 2GB of ram to the Windows Guest when running XP or Windows 7, but I have had not had similar success with Windows Vista.
  2. Connecting a microphone was a challenge on Ubuntu <= 9.04 and a Dell XPS 1330; my resolution was to use an microphone with usb input.
  3. Performance is flawless on my new Windows 7 guest / Ubuntu 11.10 host with 4GB of 8 total allocated to the guest.
  4. Upgrading to Virtualbox 3.1.4 or later
    • earlier versions of virtualbox had a nasty bug in which audio input was choppy, however, issue was resolved in the latest version. (from OP)
  5. " your processor speed is not adequate"
    • If you get this error when trying to install Dragon, you should ensure that your CPU frequency scaling is set to performance, rather than on demand. To do this, right-click on your panel, add to panel, and choose CPU frequency scaling Monitor, then just select performance. This should ensure that your processor is running full speed.
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