DTS Neural Surround™ DownMix

5.1 to Stereo

The DTS Neural Surround™ DownMix provides a process for taking a 5.1 mix and creating a stereo mix. This is called a LwRw watermarked signal and is backwards-compatible with Dolby® ProLogic® II. The stereo mix can be monitored, mixed, stored, edited and played back using a stereo audio infrastructure.

DTS Neural Surround™ DownMix enables the transport of 5.1 surround sound through any stereo infrastructure. The process is based on the principle that both natural stereo and 5.1 content are two-dimensional; both contain width and depth spatial attributes. The DownMix can represent six channels of discrete audio sources in a stereo downmix by transforming the source positions into pure intensity and coherence.

NEO 1RU Frame6800+ 2RU Frame
Neo1RUFrame.jpg6800+Frame.jpg

NEO 3RU Frame

Selenio 3RU Frame
Neo3RUFrame.jpgSelenioFrame

dtsNeuralSurround.jpg
X85
X85.jpg

Product Details

By transforming signal sources, intensity, time, coherence, polarity and phase into pure intensity and coherence before the six channels are combined, the DownMix amelio-rates problems suffered in traditional matrix encode systems (comb filtering, spatial distortion, etc). This proprietary DTS Neural Surround™ process, or watermark, guarantees that surround information is faithfully reproduced when later rendered by the UpMix and is backwards-compatible with Dolby® ProLogic II®. The stereo mix can be monitored, mixed, stored, edited and played back using a stereo audio infrastructure. In brief, the DownMix produces a stereo DownMix that accurately represents the original content, whether monitored in mono, stereo, matrix or Neural 5.1 Surround Sound.

There is a plug-in option available for adding the DownMix to the NEO® XHD-3903. The AES option for the XHD-3903 is required. Click here for more information on the XHD-3903.

The 6800+ platform includes the all-in-one APM6803+ Multichannel Audio Processing Station for AES and embedded audio processing. A range of single function modules is also available with the APM6801+ series.

There is a plug-in option available for adding the DownMix to the X85™ processors.

The Selenio™ Media Convergence Platform supports DTS Neural Surround™ DownMix as well.

Versions are available (see ordering information) for applications where DownMix and Loudness Control are required.

  1. When a 5.1 mix requires loudness control with a 2.0 downmix for simultaneous 5.1 and 2.0 output.

  2. When a downmix is required with loudness control – 5.1 mixes have a very wide dynamic range that requires loudness control for the stereo 2.0 downmix.

Commonly used in: production studios, audio monitoring, DTV facilities.

For more information, see the Neural Audio Website.

Images/Diagrams

Block Diagram

DownMix-BD.jpg

DownMix with Loudness Control

DownMix-NLC-BD.jpg

5.1 Loudness Control with DownMix

LoudnessControl-BD.jpg

Specifications

Specifications and designs are subject to change without notice.

Sample Rate32 to 48 kHz (AES/EBU, wordclock-slave)
 
Number of Available ChannelsDepending on configuration, up to 4 AES3 input (stereo) and 4 AES3 output (stereo)

Ordering Information

DTS Neural Surround™ DownMix in 6800+

APM6801DM+D

DTS Neural Surround™ DownMix DTV 5.1 transport solution on the APM6801+D
 

APM6801LC+DM+D

DTS Neural Loudness Control for 5.1 program audio with DTS Neural Surround™ DownMix output on the APM6801+D
 
APM6801DM+LC+DDTS Neural Surround™ DownMix DTV 5.1 transport solution with DTS Neural Loudness Control on the APM6801+D
 
DTS Neural Surround™ DownMix for NEO XHD-3903
XHD39OPT-DMDTS Neural Surround™ DownMix DTV 5.1 transport solution, plug-in for NEO XHD-3903 (AES input/output version required, for field upgrade order XHD3903-UG-AESC)
 
XHD39OPT-LC+DMDTS Neural Loudness Control for 5.1 program audio with DTS Neural Surround™ DownMix output, plug-in for NEO XHD-3903 (AES input/output version required, for field upgrade order XHD3903-UG-AESC)
 
XHD39OPT-DM-LCDTS Neural Surround™ DownMix DTV 5.1 transport solution with DTS Neural Loudness Control, plug-in for NEO XHD-3903 (AES input/output version required, for field upgrade order XHD3903-UG-AESC)
 
DTS Neural Surround™ DownMix for X85/X75
X75OPT-DMDTS Neural Surround™ DownMix DTV 5.1 transport solution, plug-in for X75 and X85
 
X75OPT-LC+DMDTS Neural Loudness Control for 5.1 program audio with DTS Neural Surround™ Downmix output, plug-in for X75 and X85
 
X75OPT-DM-LCDTS Neural Surround™ DownMix DTV 5.1 transport solution with DTS Neural Loudness Control, plug-in for X75 and X85
Sales Contacts
  • North America +1 800 231 9673
  • Caribbean and Latin America +1 786 437 1960
  • Europe and Africa +44 118 964 8200
  • Middle East and South Asia  +971 4 433 8250
  • Asia, Pacific Rim +852 2776 0628