Welcome to the Vienna Symphonic Library’s series of Synchron Instruments! The instruments were recorded at Stage A, the main hall of Vienna’s revitalized Vienna Synchron Stage. The recordings were executed using an expansive, phase-controlled multi-microphone set-up, capturing string effects played in a scoring stage with exceptional acoustics, now ready to be used in your studio. This document will provide you with the information you need to use the Library with our Vienna Synchron Player.
All the instruments were recorded using 12 microphones, subdivided into 7 sections. The Standard Library includes 4 of these sections, allowing you to integrate instruments recorded with a stereo Decca tree into your projects using our new Synchron Player software. Adding the Extended Library and thus getting the Full Library expands your possibilities to 5.1 surround and Auro 3D 9.1.
Standard Library
Close Mic – Mono
Mid Layer Mic – Stereo (L/R)
Main/Room Mic – Decca Tree Stereo (L/R)
Main/Room Mic – Decca Tree Mono (Center)
Extended Library
Main Surround – Stereo (L/R)
High Stereo (3D) – Stereo (L/R)
High Surround (3D) – Stereo (L/R)
The instrument Presets also include different mixer presets. By default the classic room mixes are loaded which include the Standard Library microphone positions. These are balanced in the stereo field to represent the respective instrument’s position in the Synchron Stage set-up.
Immersive Sound and Auro 3D
Auro 3D is an immersive audio technology that allows for three-dimensional sound perception. The Belgian company Auro Technologies developed this technology based on a special speaker configuration, adding four additional speakers to a 5.1 surround configuration. These speakers (so-called “Heights”) are situated above the front and surround speakers and generate acoustic reflections that are perceived naturally due to the fact that sounds originate from around as well as from above the listener. Thanks to the comprehensive selection of discrete audio channels with the Full Library of Synchron Percussion I you may mix your instruments in Auro 3D as well as in Dolby Atmos.

