Why does free memory differ between Hauptwerk and my operating system?
The Windows Task Manager and the Mac OS X Activity Monitor may report free memory differently from the Hauptwerk "Free GB" meter. On modern operating systems the definition of which memory is 'free' varies, since modern operating systems (e.g. Windows 8/7) use page files on the hard-drive to extend and mirror the virtual memory. Modern operating systems aim to keep the physical memory completely full, but prioritize portions with regard to paging out when other tasks require memory.
Paging is highly likely to cause audio glitches in Hauptwerk, so the 'Free GB' memory figure that Hauptwerk queries and displays is the amount of memory allocation that your operating system will allow without paging. That isn't necessarily the same as the 'free' memory figure that Task Manager/Activity Monitor shows, but the one that Hauptwerk shows is the one that's more relevant and important for Hauptwerk's purposes (i.e. for glitch-free audio).
Can I use Hauptwerk with an iPad?
Hauptwerk must be installed on either a Windows PC or a Mac OS X based computer per the requirements page. You may use an iPad to connect remotely to your Hauptwerk computer and control the stops and other virtual controls on an organ with a 3rd party iPad App available from the Apple App Store™. Installing Hauptwerk itself directly on an iPad is not possible. The following forum posts show how some of our users are using an iPad with Hauptwerk:
How do I configure MIDI keyboards, pedalboards, stops, couplers, pistons, expression pedals etc. ?
Nearly all of the controls in Hauptwerk 4 and above, including the virtual instrument controls as well as Hauptwerk's control panels and pistons toolbars and several menu items, may be configured by MIDI learn.
Simply right-click on the control to be configured and choose "Auto-detect" then follow the steps on screen to configure your hardware to control Hauptwerk. No MIDI experience is required to configure an organ console to interface with Hauptwerk, all settings are automatically assigned by Hauptwerk when using MIDI learn.
Why is my Hauptwerk USB key not recognized by Hauptwerk?
The Hauptwerk installer automatically installs the USB key drivers for your system. In the rare event that the drivers were not installed properly and your Hauptwerk USB key LED does not light up you can run the Hauptwerk installer again making sure that it completes successfully, or you can download and install the latest Hauptwerk USB key drivers. To install the drivers first remove the Hauptwerk USB key, then install the drivers for your operating system. Reboot your computer then plug in the Hauptwerk USB key. Now the LED should come on and Hauptwerk should launch in licensed mode.
Will my license work if I change my computer or move from a PC to a Mac?
Yes. You can move a Hauptwerk license between as many computers as you wish (Mac or PC), but you can only have one computer per license actually running Hauptwerk at any given moment, with the Hauptwerk USB key attached to that computer. In particular, the Hauptwerk USB key is not hardware-specific, so you can change your computer hardware as many times as you wish and your Hauptwerk license, and any instruments licensed on the Hauptwerk USB key, will still be valid and continue to work.
When installing Hauptwerk on a new computer make sure you download and install the latest Hauptwerk USB key drivers from our website at www.downloadhauptwerk.com.
Is Hauptwerk compatible with my model of digital/electronic organ?
Since there are so many models of electronic/digital organs, and we concentrate on the software itself, we're sorry we're not in a position to be able to advise on compatibility with any particular make or model of electronic/digital organ. If your organ has MIDI then it will almost certainly be possible to play Hauptwerk's virtual keyboards from your MIDI organ's keyboards. However, the MIDI implementation used for stops, combination pistons/buttons and expression pedals varies widely between makes and models. We try to make Hauptwerk's MIDI implementation as flexible as possible to cater for most of them, but there are some cases in which it is not yet compatible. In particular, if your MIDI organ's stops and pistons are 'hard-wired' together, which is relatively common, then it is unlikely that you would be able to control Hauptwerk's stops and combination system independently.
In order to determine compatibility, please look carefully at Hauptwerk's supported MIDI implementations, described in the MIDI implementation section of the user guide, and compare it to the technical documentation for your MIDI organ. You can also use the Hauptwerk MIDI logging utility to determine what MIDI messages your MIDI organ is sending. If you have a computer that meets our prerequisites, please try the trial version of Hauptwerk so that you can determine compatibility for yourself before purchasing a license for Hauptwerk. Trial DVDs may be ordered from our online store or you may download Hauptwerk for free from our downloads area. Many Hauptwerk users play Hauptwerk from their existing digital/electronic organs, so you might also be able to obtain specific advice about your make/model from other users via our forum.
Why are odd percussion/piano noises heard when draw-knobs are changed?
Use the General settings | MIDI ports | MIDI OUT ports screen to make sure that no MIDI output is being sent by Hauptwerk to an external software or hardware synthesizer, such as a sound card's on-board synthesizer.
Why will Hauptwerk not work after using Windows System Restore?
We recommend not using Windows System Restore after you have installed Hauptwek. System Restore habitually deletes or reverts some of Hauptwerk's essential files and not others, and can render Hauptwerk inoperable or prevent its installer being able to upgrade or repair it. This is not a bug in Hauptwerk because Hauptwerk has no control over System Restore's internal working.
Can I save my existing Hauptwerk settings to transfer to a new computer?
Yes, Hauptwerk has a native backup/restore/import/export functionality to do it automatically for you. Please see the Backups section in the Hauptwerk user guide.
Why am I getting audio glitches when using Hauptwerk with Windows?
Hauptwerk can perform very well on Windows providing that you take some steps to optimize your computer and operating system for audio playback. We have assembled some of the most common reasons for experiencing audio glitches when running Windows. Please see the tutorials page for a list of steps to take.
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