An optimized loudspeaker array for home theater surround sound

A Directional Loudspeaker Array for Surround Sound in Reverberant Rooms

We present a method to enhance the performance of the sound field reproduction approach to 2-D surround sound applicable for reverberant rooms, under the constraint that only a small number of loudspeakers is permissible. The method is based on the idea of using steerable directional loudspeakers to exploit the room reverberation. In home theater applications, exact sound field reproduction is ...

Loudspeaker Array Processing for Personal Sound Zone Reproduction

Compact Loudspeaker Array for Enhanced Stereophonic Sound Reproduction

This paper illustrates the demonstration of sonic emotion 3D sound technology for compact loudspeaker arrays. The technology combines stereo/5.1 spatial analysis techniques with advanced sound field control techniques based on Wave Field Synthesis for optimum sound rendering of stereo/5.1 content within an extended listening area. sonic emotion offers a complete solution in the form of a chip t...

Perceived Sound Quality of Small Original and Optimized Loudspeaker Systems

The perceived sound quality of small loudspeaker systems with and without digital optimization was empirically evaluated in a listening experiment. Further, the influence on the results of the presentation order of the two versions was investigated, as well as a self-evaluation of potential use for variance reduction. The systems were optimized by means of FIR filters. The two versions of each ...

Sound Focusing Based on Optimal Loudspeaker Array Beamforming

Sound focusing is an important problem in audio reproduction, where a virtual acoustic source needs be synthesized in the region surrounded by a loudspeaker array. This problem was tackled in the previous research via the Helmholtz integral approach, brightness control, acoustic contrast control, etc. In this paper, the same problem was revisited from the perspective of beamforming. A source ar...