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Esztergom Pipe Organ Samples

System requirements and recommendations

It is intended (and required) that the Esztergom (EGOM) Pipe Organ Samples be operated within Hauptwerk, a virtual pipe organ host software application (purchased separately). The Esztergom Pipe Organ Samples work both with Hauptwerk 3 and Hauptwerk 4, and a valid license for Hauptwerk is required to load the organ.

System requirements for the Esztergom Organ
Platform PC/Mac
Host software

Hauptwerk version 3.23 or 4.00 or later
Advanced Edition is recommended, Basic Edition is required


i7 or Xeon or better is recommended
Dual-Core or equivalent is required

Sound card ASIO compatible recommended

For further information, please refer to Hauptwerk's detailed requirements on Hauptwerk's website.

Detailed RAM and polyphony guidelines

Hauptwerk loads all samples in the computer's RAM, with several loading options available according to your computer's specification. For wet sample sets, most of the RAM usage is due to the release samples, which is especially true for the Esztergom Pipe Organ Samples. If you have convolution or other reverberation technology available, a little amount of RAM and polyphony will allow you to load the full organ. If you have more RAM, you can load the full organ with the release samples and enjoy the original sound. We recommend using Hauptwerk's built-in lossless memory compression to reduce the loading size. Below we have summarised the RAM requirements with their corresponding quality options.

RAM requirements for the Esztergom organ
Edition Loading setup Bits Loops Acoustics Releases Required RAM Computer RAM* Recommended polyphony range
Collector's Edition
  Full organ, 91 stops 24 all cathedral all 56.01 GB 64 GB yes 7600 to 8300
  2R (two) 42.06 GB 48 GB yes 6500 to 6800
  single 28.16 GB 32 GB yes 5700 to 6000
  250 ms (all) 14.91 GB 16 GB yes 3700 to 4000
Recommended Full organ, 91 stops 16 all cathedral all 29.29 GB 32 GB yes 7600 to 8300
  2R (two) 22.13 GB 24 GB yes 6500 to 6800
  single 15.22 GB 16 GB yes 5700 to 6000
For convolution reverb 120 ms (single) 7.91 GB 12 GB yes 3700 to 4000
Trial Edition
  All 16 stops 16 all cathedral all 5.68 GB 8 GB yes default setting

*The Required RAM column above is the memory requirement that also includes Hauptwerk*'s own memory consumption, so this is all the RAM the sample set and Hauptwerk* together will use, but some additional RAM may be required for the operating system itself, (not included). The measures were obtained on a Windows-based computer. The Computer RAM column shows a recommendation on the amount of RAM your computer should have as a minimum for a given loading setup assuming that some additional RAM is used by the operating system. This value might be different for each case so we recommend the maximum possible amount of RAM you could put in your computer for this sample set, except if you are working with external reverberation or in a dry acoustic environment. Also note that on the Mac you may require more RAM in the computer than the above indicated Computer RAM value, because of the operating system of the Mac. Also note that Windows is capable of loading more content than your available RAM, loading (paging) the additional sample data to your hard drive, reading it once the sound is needed (played). In some cases this will cause glitches in the sound when played in realtime since the hard drive is slower to access than the computer's RAM, but makes the full library usable in offline music composition and recording even if you do not have the required amount of RAM.

There is little subjective difference between the three release layer (default, marked as 'all') and two release layer (2R) version of this sample set.

The polyphony range column shows a recommended value that assures a flawless playing experience even in a fast playing style in tutti. When the polyphony requirement is not met, the reverberation of the already sounding notes will be cropped in order to allow the forthcoming notes to speak. Therefore to allow a realistic sonic experience, a high polyphony setting is recommended within or above the recommended range given in the table above. The maximum recommended polyphony of 8300 was obtained with a Core i7 3930K CPU.