EDN

Use microphone arrays for background acoustic noise suppression in portable devices–Part I

As portable voice communications devices become more ubiquitous, they are increasingly used in such noisy environments as airports, outdoor street traffic situations, and bars and clubs.These ...
Capital Gazette

Northrop Grumman lands Navy contract for torpedo nose arrays

Northrop Grumman Corporation has received a $46 million contract to produce torpedo nose arrays for the U.S. Navy, the Royal Australian Navy and the Indian Navy. The U.S. Navy awarded the contract, ...
The Business Journals

Northrop to develop nose arrays for Navy torpedo

The Navy has awarded a potential $294.3 million contract to Northrop Grumman for the production of acoustic nose arrays for the MK54 lightweight torpedo, the Falls ...

DIY Sound Laser : Big Speakers Aren’t Required for Pinpoint Sound

Create a focused speaker so your music targets only the listener. That demodulates at 40 kilohertz, with an H-bridge and ...
EDN

Use microphone arrays for background acoustic noise suppression in portable devices–Part II

Microphone array solutions can be an effective technology to suppress stationary and non-stationary noise, depending upon the methods used. Using appropriate algorithms, individual microphone signals ...