{"id":7495,"date":"2022-07-11T01:00:00","date_gmt":"2022-07-10T22:00:00","guid":{"rendered":"https:\/\/www.ufukonen.com\/tr\/?p=7495"},"modified":"2022-08-13T17:26:20","modified_gmt":"2022-08-13T14:26:20","slug":"powr-dither","status":"publish","type":"post","link":"https:\/\/www.ufukonen.com\/tr\/powr-dither.html","title":{"rendered":"POW-r Dither Algoritmalar\u0131"},"content":{"rendered":"\n

POW-r. Bu harfleri baz\u0131 dithering plug-in’lerinin \u00fczerinde ya da kuland\u0131\u011f\u0131n\u0131z DAW’\u0131n export penceresinde g\u00f6rm\u00fc\u015f olabilirsiniz. Peki, nedir bu POW-r?<\/p>\n\n\n\n

POW-r (Psychoacoustically Optimized Wordlength Reduction), dithering ve noise shaping i\u00e7in kullan\u0131lan bir algoritma seti. 1997-1998 y\u0131llar\u0131 aras\u0131nda Dolby Labs, Weiss Engineering, Millennia Media ve Z-Systems firmalar\u0131n\u0131n olu\u015fturdu\u011fu bir konsorsiyum taraf\u0131ndan geli\u015ftirilmi\u015f olan bu set, ticari olarak lisanslanabilir bir \u00fcr\u00fcn. Avid (Pro Tools), Apple (Logic Pro) ve Ableton (Live) gibi bir\u00e7ok firma DAW ve plug-in’lerinde dithering ve noise shaping i\u00e7in bu algoritma setini kullan\u0131yor.<\/p>\n\n\n\n

POW-r, \u00fc\u00e7 farkl\u0131 algoritmaya sahip: POW-r #1, POW-r #2 ve POW-r #3<\/p>\n\n\n\n

\"\"
Apple Logic Pro – Bounce penceresindeki dither algoritma se\u00e7enekleri<\/figcaption><\/figure>\n\n\n\n
<\/div>\n\n\n\n

POW-r #1<\/h3>\n\n\n\n

POW-r #1, daha \u00e7ok rock, pop ve hip-hop gibi kompres\u00f6r\u00fcn agresif kullan\u0131ld\u0131\u011f\u0131 (dinamik alan\u0131 dar olan) m\u00fczik t\u00fcrlerine uygun bir algoritma. Bunun yan\u0131 s\u0131ra, stereo geni\u015fli\u011fi \u00e7ok fazla olmayan kay\u0131tlar i\u00e7in de ideal. Bu algoritmada noise shaping \u00f6zelli\u011fi bulunmuyor, di\u011fer bir deyi\u015fle sinyale herhangi bir EQ e\u011frisi uygulanm\u0131yor. Bu sebepten dolay\u0131 POW-r #1 ‘noise shaping dithering’ de\u011fil de sadece ‘dithering’ algoritmas\u0131 olarak ge\u00e7iyor.<\/p>\n\n\n\n

POW-r #2<\/h3>\n\n\n\n

POW-e #2, konu\u015fma ve diyalog kay\u0131tlar\u0131 i\u00e7in tasarlanm\u0131\u015f bir algoritma. 2 kHz civar\u0131nda azalan, 14 kHz \u00fcst\u00fcnde ise y\u00fckselen bir noise shaping e\u011frisine sahip. Bu sayede quantization hatalar\u0131n\u0131 maskelerken konu\u015fma kay\u0131tlar\u0131ndaki insan sesi ve anla\u015f\u0131labilirlik a\u00e7\u0131s\u0131ndan \u00f6nemli olan frekans aral\u0131\u011f\u0131na fazla m\u00fcdahale etmemi\u015f oluyor. Apple, Logic Pro i\u00e7in haz\u0131rlam\u0131\u015f oldu\u011fu kullan\u0131m k\u0131lavuzunda, POW-r #2’nin sinyalin dinamik aral\u0131\u011f\u0131n\u0131 5-10 dB aras\u0131nda art\u0131rabildi\u011fini yaz\u0131yor.<\/p>\n\n\n\n

POW-r #3<\/h3>\n\n\n\n

POW-e #3, orkestra kay\u0131tlar\u0131 gibi dinamik alan\u0131 \u00e7ok geni\u015f ve stereo geni\u015fli\u011fi \u00e7ok fazla sinyaller i\u00e7in tasarlanm\u0131\u015f bir algoritma. POW-r #2’ye g\u00f6re biraz daha agresif bir noise shaping e\u011frisi kullan\u0131yor. Apple, Logic Pro i\u00e7in haz\u0131rlam\u0131\u015f oldu\u011fu kullan\u0131m k\u0131lavuzunda, POW-r #3’\u00fcn sinyalin dinamik aral\u0131\u011f\u0131n\u0131 (\u00f6zellikle 2-4 kHz aras\u0131ndaki b\u00f6lgede) 20 dB’ye kadar art\u0131rabildi\u011fini yaz\u0131yor.<\/p>\n\n\n\n

<\/div>\n\n\n\n
\"\"
Pro Tools POW-r Dither plug-in’i<\/figcaption><\/figure>\n\n\n\n
<\/div>\n\n\n\n

Di\u011fer Algoritma Setleri<\/h3>\n\n\n\n

POW-r, tek dithering ve noise shaping algoritmas\u0131 de\u011fil elbette. Ba\u015fka firma ve olu\u015fumlar taraf\u0131ndan tasarlanm\u0131\u015f farkl\u0131 farkl\u0131 algoritmalar var. Akl\u0131ma ilk gelenler olarak Apogee UV22, Waves IDR ve Izotope MBit’i sayabilirim.<\/p>\n\n\n\n

<\/div>\n\n\n\n

Teknik terimler i\u00e7in m\u00fczik teknolojisi, m\u00fczik prod\u00fcksiyonu ve ses kay\u0131t terimleri s\u00f6zl\u00fc\u011f\u00fcne<\/a> g\u00f6z atabilirsiniz.<\/p>\n\n\n\n

Benzer payla\u015f\u0131mlar i\u00e7in beni Facebook<\/a>, Instagram<\/a> ve Twitter<\/a>‘da takip edebilir, haberler i\u00e7in mesaj listeme \u00fcye olabilirsiniz<\/a>. Te\u015fekk\u00fcrler.<\/p>\n\n\n\n

Ba\u015fl\u0131k foto\u011fraf\u0131: Pete Linforth<\/a> from Pixabay<\/a><\/p>\n\n\n\n

\u00a9 2022 Ufuk \u00d6nen. Her hakk\u0131 sakl\u0131d\u0131r. \u0130zinsiz kullan\u0131lamaz.<\/p>\n","protected":false},"excerpt":{"rendered":"

POW-r. Bu harfleri baz\u0131 dithering plug-in’lerinin \u00fczerinde ya da kuland\u0131\u011f\u0131n\u0131z DAW’\u0131n export penceresinde g\u00f6rm\u00fc\u015f olabilirsiniz. Peki, nedir bu POW-r? POW-r…<\/p>\n","protected":false},"author":2,"featured_media":7500,"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\/POWr_Dither_00_Header.jpg","jetpack_publicize_connections":[],"jetpack_shortlink":"https:\/\/wp.me\/p3rjsG-1WT","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":7505,"url":"https:\/\/www.ufukonen.com\/tr\/dither-ne-zaman-kullanilir.html","url_meta":{"origin":7495,"position":0},"title":"Dither Ne Zaman Kullan\u0131l\u0131r?","date":"July 18, 2022","format":false,"excerpt":"\"POW-r Dither Algoritmalar\u0131\" ba\u015fl\u0131kl\u0131 yaz\u0131m\u0131 okuyanlardan mesaj at\u0131p soranlar oldu: \"Dither ne zaman kullan\u0131l\u0131r?\" \"Export al\u0131rken ya da bounce ederken mutlaka dither kullanmal\u0131 m\u0131y\u0131z?\" Bu sorular \u00fczerine ben bu yaz\u0131y\u0131 yazmaya karar verdim. 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