Title
Immersive Audio Coding For Virtual Reality Using A Metadata-Assisted Extension Of The 3gpp Evs Codec
Abstract
Virtual Reality (VR) audio scenes may be composed of a very large number of audio elements, including dynamic audio objects, fixed audio channels and scene-based audio elements such as Higher Order Ambisonics (HOA). Potentially, the subjective listening experience may be replicated using a compact spatial format with a set number of dynamic objects and scene-based elements, retaining only the perceptual essence of the audio scene. The compact format would further enable a reduction in the complexity of subsequent compression and rendering. This paper investigates these hypotheses by exploring the use of a compact format that consists of up to four dynamic objects and nine HOA channels, with the Enhanced Voice Services (EVS) codec being applied to a 4-channel down-mix of the compact format.
Year
DOI
Venue
2019
10.1109/icassp.2019.8683712
2019 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING (ICASSP)
Keywords
Field
DocType
Audio Coding, Virtual Reality, Spatial Audio, Immersive Audio, Ambisonics
Metadata,Virtual reality,Pattern recognition,Computer science,Ambisonics,Communication channel,Coding (social sciences),Immersion (virtual reality),Artificial intelligence,Rendering (computer graphics),Multimedia,Codec
Conference
ISSN
Citations 
PageRank 
1520-6149
0
0.34
References 
Authors
0
7
Name
Order
Citations
PageRank
D. McGrath100.34
S. Bruhn2182.02
H. Purnhagen300.34
M. Eckert400.34
J. Torres500.34
Robert Brown6271.07
D. Darcy700.34