[PDF][PDF] Ternary sequence diffusers

TJ Cox, JAS Angus, P D'Antonio - Forum Acusticum, Budapest paper, 2005 - academia.edu
… This can be achieved by using a diffuser based on a ternary sequence which nominally has
… Ternary sequences are therefore an alternative way of forming hybrid absorber-diffusers and …

Non integer based diffusers

JAS Angus - Audio Engineering Society Convention 107, 1999 - aes.org
… purpose of this paper is to present an alternative form of diffusion structure based on non …
new method of generating such diffusers Based on Huffman sequences. The theory, design, …

Lüke and power residue sequence diffusers

K Dadiotis, JAS Angus, TJ Cox - The Journal of the Acoustical Society …, 2008 - pubs.aip.org
… A typical diffuser, using p = 7 and f 0 = 500 … diffusers that are too big to be practical in most
applications. This paper suggests an alternative approach using number theoretic sequences

An experimental investigation into the scattering properties of maximum length sequence diffusers and quadratic residue diffusers

L Pan, Y Zhao - Applied Acoustics, 2022 - Elsevier
… , have not yet been systematically studied in the diffusing field. This paper presents an …
Schroeder diffusers (maximum length sequence (MLS) diffusers and quadratic residue diffusers (…

[PDF][PDF] Thirty years since “Diffuse Sound Reflection by Maximum-Length Sequences”: Where are we now?

TJ Cox, P D'Antonio - Forum Acusticum, 2005 - conforg.fr
… of the modern diffuser, explaining how the principles of diffuser design have been devised
… An alternative solution is to use a curved surface, provided the curves are not too gentle, as …

Supersonic diffuser instability

CL Dailey - Journal of the Aeronautical Sciences, 1955 - arc.aiaa.org
… of a random sequence of individual relaxation cycles. Mass flow entering the diffuser during
… phenomena of compressor surge and the alternate stalling and unstalling of parallel ducts …

Study of flow in a planar asymmetric diffuser using large-eddy simulation

HJ Kaltenbach, M Fatica, R Mittal, TS Lund… - Journal of fluid …, 1999 - cambridge.org
… and it was found to be a cost effective alternative to the second-order method with increased
… As a consequence the ratio cf,rms/cf increases from 0.4 up to 0.8 near x/δ = 10 along the flat …

Design of sound phase diffusers by means of multiobjective optimization approach using ev-MOGA evolutionary algorithm

JM Herrero, X Blasco, JV Sánchez-Pérez… - Structural and …, 2016 - Springer
alternatives of Table 1 (with the same probability). If one … {\Theta }_{MOP3}^{*}\) are
compared among them and against a classical QR diffuser sequence [0,1,4,2,2,4,1] (see Fig. 1) …

[PDF][PDF] Behaviour of mixed absorptive-diffusive panels based in pseudo-random sequences

R Patraquim, P Santos, L Godinho… - Proceedings of the … - researchgate.net
… The panels are defined based on a pseudo-random sequence, with alternate areas of …
as diffusers based on the number theoretical sequences. It is possible to design diffusers from …

[图书][B] A study on number theoretic construction and prediction of two dimensional acoustic diffusers for architectural applications

A Döşemeciler - 2011 - search.proquest.com
… This dissertation aims to design new two dimensional acoustic diffusers based on
quadratic residue sequence with the Distinct Sums Property Method which is used in digital …