{"id":157010,"date":"2015-12-11T03:00:00","date_gmt":"2015-12-11T00:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=303d2ce21e501a1524ab07bf08ed6966"},"modified":"2015-12-11T03:00:00","modified_gmt":"2015-12-11T00:00:00","slug":"audio-frequency-analysis-in-mobile-phones","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=157010","title":{"rendered":"Audio frequency analysis in mobile phones"},"content":{"rendered":"<p>A new experiment using mobile phones is proposed in which its audio frequency response is analyzed<br \/>\nusing the audio port for inputting external signal and getting a measurable output. This experiment<br \/>\nshows how the limited audio bandwidth used in mobile telephony is the main cause of the poor speech<br \/>\nquality in this service. A brief discussion is given about the relationship between voice bandwidth<br \/>\nand voice quality.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A new experiment using mobile phones is proposed in which its audio frequency response is analyzed<br \/>\nusing the audio port for inputting external signal and getting a measurable output. This experiment<br \/>\nshows how the limited audio bandwidth used in mobil&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[178],"tags":[],"class_list":{"0":"post-157010","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-rss-fuusikaharidus","7":"entry"},"_links":{"self":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/157010","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=157010"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/157010\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=157010"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=157010"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=157010"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}