{"id":3279,"date":"2017-09-18T01:00:44","date_gmt":"2017-09-17T22:00:44","guid":{"rendered":"http:\/\/www.ufukonen.com\/tr\/?p=3279"},"modified":"2017-09-16T23:43:29","modified_gmt":"2017-09-16T20:43:29","slug":"7-maddede-desibel","status":"publish","type":"post","link":"https:\/\/www.ufukonen.com\/tr\/7-maddede-desibel.html","title":{"rendered":"7 Maddede Desibel"},"content":{"rendered":"<p><img loading=\"lazy\" class=\"aligncenter wp-image-3285\" src=\"http:\/\/www.ufukonen.com\/tr\/wp-content\/uploads\/7_maddede_desibel-1024x576.jpg\" alt=\"\" width=\"549\" height=\"309\" srcset=\"https:\/\/www.ufukonen.com\/tr\/wp-content\/uploads\/7_maddede_desibel-1024x576.jpg 1024w, https:\/\/www.ufukonen.com\/tr\/wp-content\/uploads\/7_maddede_desibel-300x169.jpg 300w, https:\/\/www.ufukonen.com\/tr\/wp-content\/uploads\/7_maddede_desibel-768x432.jpg 768w, https:\/\/www.ufukonen.com\/tr\/wp-content\/uploads\/7_maddede_desibel.jpg 1280w\" sizes=\"(max-width: 549px) 100vw, 549px\" \/><\/p>\n<p>Desibel, ku\u015fkusuz m\u00fczik ve ses ile u\u011fra\u015fan herkesin duymu\u015f oldu\u011fu bir kelimedir. Ses cihazlar\u0131n\u0131n ve yaz\u0131l\u0131mlar\u0131n\u0131n hepsinde kar\u015f\u0131m\u0131za \u00e7\u0131kar. Bunlar\u0131 kullanan herkes desibelin ne oldu\u011funu iyi k\u00f6t\u00fc bilir. Ancak sorun \u015fu ki, iyi k\u00f6t\u00fc bilmek yetmez! Profesyonel olarak ses teknolojileri ve m\u00fczik prod\u00fcksiyonu \u00fczerine \u00e7al\u0131\u015f\u0131yorsak ya da \u00e7al\u0131\u015fmak istiyorsak, desibel nedir ne de\u011fildir, \u00e7ok iyi anlamam\u0131z gerekir. E\u011fer desibel kavram\u0131n\u0131 kafam\u0131zda \u00e7ok iyi oturtamazsak, yapt\u0131\u011f\u0131m\u0131z i\u015fi tesad\u00fcfen yap\u0131yor oluruz.<\/p>\n<p>A\u015fa\u011f\u0131da, yedi maddede, desibel ile ilgili en \u00f6nemli noktalar\u0131 listeledim. Bu noktalar\u0131 &#8220;konu ba\u015fl\u0131klar\u0131&#8221; olarak kabul edip, her ba\u015fl\u0131k i\u00e7in derinlemesine ara\u015ft\u0131rma yapmak \u00e7ok faydal\u0131 olacakt\u0131r.<\/p>\n<h3>\u2022 1<\/h3>\n<p>Desibel, ses ve sinyal \u00f6l\u00e7\u00fcmleri i\u00e7in kullan\u0131lan logaritmik bir birimdir. Logaritmik skala sayesinde de\u011ferler aras\u0131ndaki b\u00fcy\u00fck de\u011fi\u015fimleri, daha k\u00fc\u00e7\u00fck ve basit\u00e7e anla\u015f\u0131labilir say\u0131larla ifade etmek m\u00fcmk\u00fcnd\u00fcr. \u00d6rnek olarak, &#8220;insanlarda duyma e\u015fi\u011fini 0.00002 Pa kabul etti\u011fimizde, duyma e\u015fi\u011fi ile 0.02 Pa ses bas\u0131n\u00e7 seviyesindeki normal bir konu\u015fma aras\u0131ndaki fark 0.01998 Pa&#8217;d\u0131r&#8221; yerine &#8220;normal konu\u015fma 60 dB SPL&#8217;dir&#8221; demek daha kullan\u0131\u015fl\u0131d\u0131r!<\/p>\n<h3>\u2022 2<\/h3>\n<p>Desibel, Bel biriminin onda biridir. Di\u011fer bir deyi\u015fle 10 desibel, 1 Bel\u2019e e\u015fittir. Bel ad\u0131, Alexander Graham Bell\u2019in isminden gelmektedir. Desibel i\u00e7in kullan\u0131lan dB k\u0131saltmas\u0131ndaki B harfinin b\u00fcy\u00fck yaz\u0131lmas\u0131 bu sebepten dolay\u0131d\u0131r.<\/p>\n<h3>\u2022 3<\/h3>\n<p>Desibelin kendisi bir de\u011fer de\u011fildir. Desibel, metre ya da kilogram gibi sabit bir birim de\u011fildir. Desibel her zaman iki de\u011ferin oran\u0131n\u0131 ifade etmek i\u00e7in kullan\u0131l\u0131r.<\/p>\n<h3>\u2022 4<\/h3>\n<p>Desibeli iyi anlamak i\u00e7in logaritmik skalay\u0131 iyi anlamak gerekir. \u0130ki de\u011fer aras\u0131ndaki de\u011fi\u015fim lineer skalada &#8220;fark&#8221;, logaritmik skalada ise &#8220;oran&#8221; olarak ifade edilir. Lineer skalada 1 ve 2 aras\u0131ndaki de\u011fi\u015fim ile 4 ve 5 aras\u0131ndaki de\u011fi\u015fim ayn\u0131d\u0131r: her ikisinde de fark 1&#8217;dir. Logaritmik skalada ise 1 ve 2 aras\u0131ndaki de\u011fi\u015fim 1:2 oran\u0131 ile ifade edilir. Buna g\u00f6re ayn\u0131 oran\u0131 (1:2) elde etmek i\u00e7in gerekli de\u011fi\u015fim 4&#8217;ten 8&#8217;e olmal\u0131d\u0131r.<\/p>\n<h3>\u2022 5<\/h3>\n<p>\u00c7ok say\u0131da desibel t\u00fcr\u00fc vard\u0131r. Ses bas\u0131nc\u0131 ve ses sinyalleri i\u00e7in en \u00e7ok kullan\u0131lanlar dB SPL (ses bas\u0131nc\u0131), dBu (sinyal), dBV (sinyal) ve dBFS&#8217;tir (dijital sistemlerde sinyal). Bunlar\u0131 <a href=\"http:\/\/www.ufukonen.com\/tr\/ses-kayit-ve-muzik-teknolojileri.html\" target=\"_blank\" rel=\"noopener\">Ses Kay\u0131t ve M\u00fczik Teknolojileri<\/a> adl\u0131 kitab\u0131mda detayl\u0131 olarak a\u00e7\u0131klam\u0131\u015ft\u0131m.<\/p>\n<h3>\u2022 6<\/h3>\n<p>Desibel ile i\u015flem yaparken y\u00fczde (%) ile hesaplama yap\u0131lamaz (\u00e7\u00fcnk\u00fc desibel logaritmik bir birimdir). \u00d6rnek olarak, 80 desibelin %70&#8217;i 56 desibeldir gibi bir ifade s\u00f6z konusu bile olamaz.<\/p>\n<h3>\u2022 7<\/h3>\n<p>Desibel ile basit\u00e7e toplama i\u015flemi yap\u0131lamaz (\u00e7\u00fcnk\u00fc desibel logaritmik bir birimdir). \u00d6rnek olarak, elinizde 90 dB SPL ses \u00fcreten bir hoparl\u00f6r varsa, ayn\u0131 hoparl\u00f6rden ikinci bir tane daha ald\u0131\u011f\u0131n\u0131zda 180 dB SPL ses elde edemezsiniz! Elde edece\u011finiz ses 93 dB SPL civar\u0131nda olacakt\u0131r. Ba\u015fka bir \u00f6rnek olarak, 60 dB SPL, 75 dB SPL ve 80 dB SPL ses bas\u0131nc\u0131 \u00fcreten \u00fc\u00e7 farkl\u0131 ses kayna\u011f\u0131n\u0131n olu\u015fturdu\u011fu toplam ses bas\u0131nc\u0131 215 dB SPL de\u011fil, 81 dB SPL civar\u0131nda olacakt\u0131r. Bu hesaplamalar\u0131 da <a href=\"http:\/\/www.ufukonen.com\/tr\/ses-kayit-ve-muzik-teknolojileri.html\" target=\"_blank\" rel=\"noopener\">Ses Kay\u0131t ve M\u00fczik Teknolojileri<\/a> adl\u0131 kitab\u0131mda detayl\u0131 olarak a\u00e7\u0131klam\u0131\u015ft\u0131m.<\/p>\n<p>Yaz\u0131n\u0131n ba\u015f\u0131nda da belirtti\u011fim gibi, bu noktalar\u0131 &#8220;konu ba\u015fl\u0131klar\u0131&#8221; olarak kabul edip, her ba\u015fl\u0131k i\u00e7in derinlemesine ara\u015ft\u0131rma yapmak \u00e7ok faydal\u0131 olacakt\u0131r.<\/p>\n<p>&nbsp;<\/p>\n<p>Teknik terimler i\u00e7in <a href=\"http:\/\/www.ufukonen.com\/tr\/ses-kayit-muzik-teknolojisi-terimler-sozluk.html\">m\u00fczik teknolojisi, m\u00fczik prod\u00fcksiyonu ve ses kay\u0131t terimleri s\u00f6zl\u00fc\u011f\u00fcne<\/a> g\u00f6z atabilirsiniz.<\/p>\n<p>Benzer payla\u015f\u0131mlar i\u00e7in beni <a href=\"https:\/\/www.facebook.com\/ufukonen.skmt\/\" target=\"_blank\" rel=\"noopener\">Facebook<\/a> ve <a href=\"https:\/\/twitter.com\/UfukOnen\" target=\"_blank\" rel=\"noopener\">Twitter<\/a>&#8216;da takip edebilir, haberler i\u00e7in <a href=\"http:\/\/ufukonen.com\/tr\/ses-kayit-muzik-teknolojisi-terimler-sozluk.html\" target=\"_blank\" rel=\"noopener\">mesaj listeme \u00fcye olabilirsiniz<\/a>. Te\u015fekk\u00fcrler.<\/p>\n<p>Ba\u015fl\u0131k foto\u011fraf\u0131: <a href=\"https:\/\/pixabay.com\" target=\"_blank\" rel=\"noopener\">Pixabay<\/a><\/p>\n<p>\u00a9 2017 Ufuk \u00d6nen. Her hakk\u0131 sakl\u0131d\u0131r. \u0130zinsiz kullan\u0131lamaz.<\/p>\n","protected":false},"excerpt":{"rendered":"<p class=\"post-excerpt\">Desibel, ku\u015fkusuz m\u00fczik ve ses ile u\u011fra\u015fan herkesin duymu\u015f oldu\u011fu bir kelimedir. Ses cihazlar\u0131n\u0131n ve yaz\u0131l\u0131mlar\u0131n\u0131n hepsinde kar\u015f\u0131m\u0131za \u00e7\u0131kar. Bunlar\u0131&#8230;<\/p>\n","protected":false},"author":2,"featured_media":3285,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[18],"tags":[],"jetpack_featured_media_url":"https:\/\/www.ufukonen.com\/tr\/wp-content\/uploads\/7_maddede_desibel.jpg","jetpack_publicize_connections":[],"jetpack_shortlink":"https:\/\/wp.me\/p3rjsG-QT","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":6336,"url":"https:\/\/www.ufukonen.com\/tr\/desibel-nedir-karmasasi.html","url_meta":{"origin":3279,"position":0},"title":"Desibel Karma\u015fas\u0131","date":"January 11, 2021","format":false,"excerpt":"Desibel (dB), bir\u00e7ok ki\u015fi i\u00e7in karma\u015f\u0131k bir kavram. \"Desibel nedir?\" diye soruldu\u011funda baz\u0131lar\u0131 \"ne oldu\u011funu biliyorum ama do\u011frusunu istersen tam olarak da bilmiyorum\" \u015feklinde cevaplar veriyorlar. 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Onu hemen arkas\u0131ndan \u00e7ok az bir farkla Logic\u2026","rel":"","context":"In &quot;Ses ve M\u00fczik Teknolojileri&quot;","img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.ufukonen.com\/tr\/wp-content\/uploads\/2017_DAW_Anketi_1024x768.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":8191,"url":"https:\/\/www.ufukonen.com\/tr\/2023-en-cok-okunan.html","url_meta":{"origin":3279,"position":5},"title":"2023 Y\u0131l\u0131nda En \u00c7ok Okunan Blog Yaz\u0131lar\u0131m","date":"December 27, 2023","format":false,"excerpt":"Blog yaz\u0131lar\u0131m\u0131 takip edenler bilirler, her senenin sonunda o y\u0131l en \u00e7ok okunan blog yaz\u0131lar\u0131m\u0131 liste haline getirip okuyucular\u0131mla payla\u015f\u0131r\u0131m. 2023 i\u00e7in de farkl\u0131 bir durum yok. 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