Subject: [AUDITORY] angular resolution of microphones' matrices From: Jan Felcyn <janaku@xxxxxxxx> Date: Tue, 23 Jan 2018 15:42:04 +0100 List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>To jest wieloczj ciowa wiadomo f w formacie MIME. ------=_NextPart_000_00CD_01D39460.B7A743C0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Dear Auditory List, In the upcoming future I begin a project focused on creating a small = driver aimed to control home devices. It will be voice-controlled, hence = a small microphone matrix have to be implemented in it. I=E2=80=99ve = made some preliminary research in the topic of matrices, but I = haven=E2=80=99t found an answer to my most important question: is there = any equation or, let=E2=80=99s say, =E2=80=98simple law=E2=80=99, which = let estimate angular resolution (both horizontally and vertically) of = the matrix regarding number of microphones and geometry between them? = Maybe you can advise me something or just point out papers and research = which I should analyze? And what about programming it effectively using = real-time processing? I will probably use MEMS microphones, maybe this = information helps you somehow. I will really appreciate your help. Best regards from Poland, Jan Felcyn, Institute of Acoustics, Adam Mickiewicz University, = Pozna=C5=84, Poland ------=_NextPart_000_00CD_01D39460.B7A743C0 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable <HTML><HEAD></HEAD> <BODY dir=3Dltr> <DIV dir=3Dltr> <DIV style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Calibri'; COLOR: #000000"> <DIV>Dear Auditory List,</DIV> <DIV> </DIV> <DIV>In the upcoming future I begin a project focused on creating a = small driver=20 aimed to control home devices. It will be voice-controlled, hence a = small=20 microphone matrix have to be implemented in it. I=E2=80=99ve made some = preliminary=20 research in the topic of matrices, but I haven=E2=80=99t found an answer = to my most=20 important question: is there any equation or, let=E2=80=99s say, = =E2=80=98simple law=E2=80=99, which let=20 estimate angular resolution (both horizontally and vertically) of the = matrix=20 regarding number of microphones and geometry between them? Maybe you can = advise=20 me something or just point out papers and research which I should = analyze? And=20 what about programming it effectively using real-time processing? I will = probably use MEMS microphones, maybe this information helps you somehow. = I will=20 really appreciate your help.</DIV> <DIV> </DIV> <DIV>Best regards from Poland,</DIV> <DIV>Jan Felcyn, Institute of Acoustics, Adam Mickiewicz University, = Pozna=C5=84,=20 Poland</DIV></DIV></DIV></BODY></HTML> ------=_NextPart_000_00CD_01D39460.B7A743C0--