The documents behind every grade.

Compares supported speaker azimuths and side-view height arcs with Dolby home installation guidance.

Primary document

Dolby Atmos Home Theater Installation Guidelines

Revision

r3.1 · December 2018

Sections used

§§2–4, figures 2 and 11–37

DTS publishes a nominal position for each speaker but no range; speakers are graded within the project's tolerance of those positions.

DTS mandates no fixed speaker layout. The tolerance around its nominal positions is a BetterTheaters setting chosen per project, not a published DTS limit.

Primary document

ETSI TS 103 491: DTS-UHD Audio Format; Delivery of Channels, Objects and Ambisonic Sound Fields

Revision

V1.2.1 · May 2019

Sections used

Table 7-28, nominal speaker positions

Compares supported speaker positions with the azimuth and elevation ranges in Auro Table 3.

Atmos top-role names are mapped to the nearest Auro height-layer position; a dedicated Voice of God channel is not yet in the project channel vocabulary.

Primary document

Auro-3D Home Theater Setup Guidelines

Revision

Public guideline · 2015

Sections used

Speaker positioning, figures 5–7

Compares supported speaker positions with layout-specific ITU azimuth and elevation ranges.

The app maps home-theater role names to the closest BS.2051 System B, C, D, I, or J position.

Primary document

Advanced sound system for programme production

Revision

BS.2051-3 · May 2022

Sections used

Annex 1 §3.1, tables 4–12

Cross-format listening-area guidance with sourced seating clearances, speaker zones, and per-seat performance parameters.

Predicted results are design estimates, not measured certification. Measurement-only parameters are listed under assessment scope.

Primary document

Immersive Audio Design Recommended Practice

Revision

CEDIA/CTA-RP22 v1.2 · September 2023

Sections used

§3.4 Table 3-1 and Appendix A