Table of Contents
HDSX Surround Decoder; HDSX Virtual Center; HDSX Stereo Sound Widening 360
These blocks are not included in the SigmaStudio installation. Please contact the company Kronoton directly for licensing and test information under info [at] hdsx [dot] audio.
Decoders, running on DSPs with at least four channel input, can also be delivered as automotive versions with 2×2.0 input (Front/Rear)
HDSX Surround 2.0 - 5.0/5.1 RealCenter®
Available on ADAU 1452 and others on request
RealCenter technology for precise center extraction and localization. TruDirection® Surround channels for enhanced directional localization. Decoded output channels: L,R,C,(LFE),Sl,Sr.
HDSX Surround 2.0 - 7.0/7.1 RealCenter
Available on ADAU 1452 and others on request
RealCenter technology for precise center extraction and localization. TruDirection® Surround channels for enhanced directional localization. Decoded output channels: L,R,C,(LFE),Sl,Sr,BSl,BSr.
HDSX Surround 2.0 - 5.0/5.1 LowMips
Available on ADAU 1452, ADAU 144x, ADAU 1701 and others on request
L+R Center Channel. TruDirection® Surround channels for enhanced directional localization. Decoded output channels: L,R,C,(LFE),Sl,Sr.
HDSX Virtual Center | Speech enhancer
Available on ADAU 1452 and others on request
This block enables independent volume control of the phantom center within stereo sources. It is not a hidden L+R upmix. A crossover frequency can be set to split the phantom center.
Available on ADAU 1452 and others on request
HDSX Stereo Sound Widening 360
Available on SigmaDSP 100,200,300
HDSX® - High Definition Sound Expansion increases the sound field, especially of little- and small-field positioned sound sources by expanding the sound field and the spatial hearing experience in a very unique way. It creates a new spatial quality of small speaker entertainment like used in mobile devices, flatscreen TV's, gaming- and automotive solutions. Used in headphones, the HDSX stereo spatializer creates a 360 sound field without inhead effects.
More infos under www.hdsx.audio.
Example HDSX Stereo Sound Widening 360
A schematic, with the input block, the easy to use HDSX® plug in and the output block, is shown below.



