Re: [AUDITORY] angular resolution of microphones' matrices

Subject: Re: [AUDITORY] angular resolution of microphones' matrices

Date: Wed, 24 Jan 2018 18:12:25 +0900

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Comments: To: Jan Felcyn <janaku@xxxxxxxxxx>

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Reply-to: hgo <okuno@xxxxxxx>

Sender: AUDITORY - Research in Auditory Perception <AUDITORY@xxxxxxxxxxxxxxx>

Dear Dr. Jan Felcyn,

You may try the robot audition open source software called "HARK".

http://www.hark.jp/

HARK is developed as an audio-equivalent to OpenCV.

It supports any kind of microphone array configuration, and

provides sound source localization (2 algorithms), sound source separation

(12 algorithms), and interface to automatic speech recognition (Julius and

Kaldi). HARK has been downloaded more than 120 K times. Ubuntu and

Windows versions are available.

Some papers include:

K. Nakadai et al, "Kazuhiro Nakadai, Toru Takahashi, Hiroshi G. Okuno, Hirofumi Nakajima, Yuji Hasegawa, Hiroshi Tsujino:

Design and Implementation of Robot Audition System "HARK".

Advanced Robotics, Vol.24, No.5-6 (2010) 739-761, doi:10.1163/016918610X493561

Hiroshi G. Okuno, Kazuhiro Nakadai:

ROBOT AUDITION: ITS RISE AND PERSPECTIVES,

Proceedings of 2015 International Conference on Acoustics, Speech and Signal Processing (ICASSP 2015), pp.5610-5614, SS-L3.1, Brisbane, Australia, April 19-24 (22), 2015. doi:10.1109/ICASSP.2015.7179045

Kazuhiro Nakadai, Hiroshi G. Okuno, Takeshi Mizumoto.
Development, Deployment and Applications of Robot Audition Open Source Software HARK.

Journal of Robotics and Mechatronics, Vol.27, No.1 (Feb. 2017), pp.16-25.

doi:10.20965/jrm.2017.p0016

I organized a special issue on robot audition technologies at

Journal of Robotics and Mechatronics, Vol.29, No.f (Feb. 2017).

https://www.fujipress.jp/jrm/rb/

Some papers cover human-robot interactions, musical robots,

sound processing for a hose-shaped rescue robot, microphone

array processing for UAV, bird singing scene analysis, and

frog chorusing.analysis,

Enjoy,

- Gitchang -

Hiroshi "Gitchang" Okuno

Professor, Waseda Unviersity

Professor Emeritus, Kyoto University

http://www.aoni.waseda.jp/okuno/

2018-01-23 23:42 GMT+09:00 Jan Felcyn <janaku@xxxxxxxxxx>:

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’ve made some preliminary research in the topic of matrices, but I haven’t found an answer to my most important question: is there any equation or, let’s say, ‘simple law’, 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, Poznań, Poland