Directional emphasis in ambisonics

03/18/2018
by   W. Bastiaan Kleijn, et al.
0

We describe an ambisonics enhancement method that increases the signal strength in specified directions at low computational cost. The method can be used in a static setup to emphasize the signal arriving from a particular direction or set of directions, much like a spotlight amplifies the visibility of objects. It can also be used in an adaptive arrangement where it sharpens directionality and reduces the distortion in timbre associated with low-degree ambisonics representations. The emphasis operator has very low computational complexity and can be applied to time-domain as well as time-frequency ambisonics representations. The operator maps a low-degree ambisonics representation into a higher degree representation.

READ FULL TEXT
research
04/14/2023

On representations of real numbers and the computational complexity of converting between such representations

We study the computational complexity of converting one representation o...
research
08/27/2020

Adaptive directional Haar tight framelets on bounded domains for digraph signal representations

Based on hierarchical partitions, we provide the construction of Haar-ty...
research
04/30/2023

Multi-directional Sobel operator kernel on GPUs

Sobel is one of the most popular edge detection operators used in image ...
research
08/05/2020

Computational Barriers to Estimation from Low-Degree Polynomials

One fundamental goal of high-dimensional statistics is to detect or reco...
research
03/06/2022

Single microphone speaker extraction using unified time-frequency Siamese-Unet

In this paper we present a unified time-frequency method for speaker ext...
research
04/29/2019

A New Method for Atlanta World Frame Estimation

In this paper, we propose a new Atlanta frame estimation method by consi...

Please sign up or login with your details

Forgot password? Click here to reset