{"id":6127,"date":"2009-09-22T22:05:47","date_gmt":"2009-09-23T05:05:47","guid":{"rendered":"http:\/\/mattcastille.com\/me\/2009\/09\/em32-eigenmike%c2%ae-microphone-array\/"},"modified":"2009-09-22T22:05:47","modified_gmt":"2009-09-23T05:05:47","slug":"em32-eigenmike%c2%ae-microphone-array","status":"publish","type":"post","link":"http:\/\/mattcastille.com\/me\/2009\/09\/em32-eigenmike%c2%ae-microphone-array\/","title":{"rendered":"em32 Eigenmike\u00ae microphone array"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.mattcastille.com\/me\/wp-content\/upload\/2009\/09\/tn_IMG_4178.jpg\" width=\"348\" height=\"232\" alt=\"tn_IMG_4178.jpg\" style=\"float:left;\" \/><\/p>\n<blockquote cite=\"http:\/\/www.mhacoustics.com\/page\/page\/2949006.htm\">\n<p>The Eigenmike\u00ae microphone array is a patent-pending unique scalable microphone array with elements embedded into a rigid sphere. Individual microphone outputs are processed with a novel beamforming algorithm which enables the ability to record and playback accurate 3D spatial audio.<br \/>\n  The Eigenmike\u00ae microphone array&#8217;s directivity pattern can be controlled in real-time or stored and processed at a later time. Eigenmike\u00ae array technology is based on the principles of spherical harmonic decomposition. Some key characteristics include:<\/p>\n<p>infinite control of directivity pattern (shape and direction)<br \/>\n  any number of unique beamformer outputs<br \/>\n  electronically steerable<br \/>\n  complete spatial description of the 3D sound-field<br \/>\n  post sound-field processing of prerecorded eigenbeam signals<br \/>\n  scalable in size and number of elements<br \/>\n  uses extremely low-noise, wide-band professional electret microphone capsules<br \/>\n  microphone preamp programmable gain and 24-bit, 44.1 kHz A\/D conversion<br \/>\n  done inside the spherical array baffle (other sampling rates are available)<br \/>\n  single CAT5 cable powers em32, carries all digital microphone data,<br \/>\n  controls the microphone PGA settings, and reports microphone status.<br \/>\n  EMIB interface box converts em32 digital stream to standard Firewire<br \/>\n  ASIO drivers supplied: em32 appears as a standard 32-channel sound card<\/p>\n<p>[From <a href=\"http:\/\/www.mhacoustics.com\/page\/page\/2949006.htm\" ><cite>Untitled<\/cite><\/a>]\n<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>Some key characteristics include:   infinite control of directivity pattern (shape and direction) any number of unique beamformer outputs electronically steerable complete spatial description of the 3D sound-field post sound-field processing of prerecorded eigenbeam signals scalable in size and number of elements uses extremely low-noise, wide-band professional electret microphone capsules microphone preamp programmable gain and 24-bit, 44.1 kHz A\/D conversion done inside the spherical array baffle (other sampling rates are available) single CAT5 cable powers em32, carries all digital microphone data, controls the microphone PGA settings, and reports microphone status.   EMIB interface box converts em32 digital stream to standard Firewire ASIO drivers supplied: em32 appears as a standard 32-channel sound card [From   Untitled  ]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[1],"tags":[],"class_list":["post-6127","post","type-post","status-publish","format-standard","hentry","category-music"],"jetpack_publicize_connections":[],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p4RRl-1AP","_links":{"self":[{"href":"http:\/\/mattcastille.com\/me\/wp-json\/wp\/v2\/posts\/6127","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/mattcastille.com\/me\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/mattcastille.com\/me\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/mattcastille.com\/me\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/mattcastille.com\/me\/wp-json\/wp\/v2\/comments?post=6127"}],"version-history":[{"count":0,"href":"http:\/\/mattcastille.com\/me\/wp-json\/wp\/v2\/posts\/6127\/revisions"}],"wp:attachment":[{"href":"http:\/\/mattcastille.com\/me\/wp-json\/wp\/v2\/media?parent=6127"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/mattcastille.com\/me\/wp-json\/wp\/v2\/categories?post=6127"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/mattcastille.com\/me\/wp-json\/wp\/v2\/tags?post=6127"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}