{"id":17211,"date":"2014-10-05T13:42:39","date_gmt":"2014-10-05T17:42:39","guid":{"rendered":"https:\/\/reactivemusic.net\/?p=17211"},"modified":"2014-12-15T01:03:03","modified_gmt":"2014-12-15T06:03:03","slug":"ep-413-dsp-week-5-2","status":"publish","type":"post","link":"https:\/\/reactivemusic.net\/?p=17211","title":{"rendered":"ep-413 DSP week 6"},"content":{"rendered":"<h2>Convolution and Voices<\/h2>\n<p>&nbsp;<\/p>\n<h4>Convolution<\/h4>\n<h5>part 1 &#8211;\u00a0The time domain:<\/h5>\n<p><a href=\"https:\/\/reactivemusic.net\/wp-content\/uploads\/2014\/03\/Screen-Shot-2014-03-04-at-4.28.42-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-10156\" title=\"Screen Shot 2014-03-04 at 4.28.42 PM\" src=\"https:\/\/reactivemusic.net\/wp-content\/uploads\/2014\/03\/Screen-Shot-2014-03-04-at-4.28.42-PM-300x166.png\" alt=\"\" width=\"300\" height=\"166\" srcset=\"https:\/\/reactivemusic.net\/wp-content\/uploads\/2014\/03\/Screen-Shot-2014-03-04-at-4.28.42-PM-300x166.png 300w, https:\/\/reactivemusic.net\/wp-content\/uploads\/2014\/03\/Screen-Shot-2014-03-04-at-4.28.42-PM.png 639w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>(The frequency domain):<\/p>\n<p><a href=\"https:\/\/reactivemusic.net\/wp-content\/uploads\/2014\/03\/Screen-Shot-2014-03-04-at-4.28.06-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-10157\" title=\"Screen Shot 2014-03-04 at 4.28.06 PM\" src=\"https:\/\/reactivemusic.net\/wp-content\/uploads\/2014\/03\/Screen-Shot-2014-03-04-at-4.28.06-PM-300x165.png\" alt=\"\" width=\"300\" height=\"165\" srcset=\"https:\/\/reactivemusic.net\/wp-content\/uploads\/2014\/03\/Screen-Shot-2014-03-04-at-4.28.06-PM-300x165.png 300w, https:\/\/reactivemusic.net\/wp-content\/uploads\/2014\/03\/Screen-Shot-2014-03-04-at-4.28.06-PM.png 641w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<h5>The impulse response<\/h5>\n<p><a href=\"https:\/\/reactivemusic.net\/wp-content\/uploads\/2014\/03\/Screen-Shot-2014-03-04-at-4.37.55-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-10159\" title=\"Screen Shot 2014-03-04 at 4.37.55 PM\" src=\"https:\/\/reactivemusic.net\/wp-content\/uploads\/2014\/03\/Screen-Shot-2014-03-04-at-4.37.55-PM-300x133.png\" alt=\"\" width=\"300\" height=\"133\" srcset=\"https:\/\/reactivemusic.net\/wp-content\/uploads\/2014\/03\/Screen-Shot-2014-03-04-at-4.37.55-PM-300x133.png 300w, https:\/\/reactivemusic.net\/wp-content\/uploads\/2014\/03\/Screen-Shot-2014-03-04-at-4.37.55-PM.png 374w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<ul>\n<li>Decomposition<\/li>\n<li>Unit impulse (delta function)<\/li>\n<li>convolution (from the input side and output side)<\/li>\n<li>filters<\/li>\n<\/ul>\n<p>From the output side:<\/p>\n<p><a href=\"http:\/\/www.dspguide.com\/ch6\/4.htm\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-17216\" src=\"https:\/\/reactivemusic.net\/wp-content\/uploads\/2014\/10\/Screen-Shot-2014-10-05-at-3.01.04-PM-300x290.png\" alt=\"Screen Shot 2014-10-05 at 3.01.04 PM\" width=\"300\" height=\"290\" srcset=\"https:\/\/reactivemusic.net\/wp-content\/uploads\/2014\/10\/Screen-Shot-2014-10-05-at-3.01.04-PM-300x290.png 300w, https:\/\/reactivemusic.net\/wp-content\/uploads\/2014\/10\/Screen-Shot-2014-10-05-at-3.01.04-PM-1024x992.png 1024w, https:\/\/reactivemusic.net\/wp-content\/uploads\/2014\/10\/Screen-Shot-2014-10-05-at-3.01.04-PM.png 1034w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>The convolution sum:<\/p>\n<div><a href=\"https:\/\/reactivemusic.net\/wp-content\/uploads\/2014\/03\/Screen-Shot-2014-03-04-at-4.38.52-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10160\" title=\"Screen Shot 2014-03-04 at 4.38.52 PM\" src=\"https:\/\/reactivemusic.net\/wp-content\/uploads\/2014\/03\/Screen-Shot-2014-03-04-at-4.38.52-PM.png\" alt=\"\" width=\"234\" height=\"82\" \/><\/a><\/div>\n<div><\/div>\n<div>Reference:\u00a0<a href=\"http:\/\/www.dspguide.com\">http:\/\/www.dspguide.com<\/a>\u00a0&#8220;The Scientist and Engineer&#8217;s Guide to DSP&#8221;, By Steven Smith &#8211; chapters 6-7<\/div>\n<div><\/div>\n<div>Common impulse responses:<\/div>\n<div><\/div>\n<div><a href=\"https:\/\/reactivemusic.net\/wp-content\/uploads\/2014\/10\/F_7_1.gif.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-17226\" src=\"https:\/\/reactivemusic.net\/wp-content\/uploads\/2014\/10\/F_7_1.gif-221x300.png\" alt=\"F_7_1.gif\" width=\"221\" height=\"300\" srcset=\"https:\/\/reactivemusic.net\/wp-content\/uploads\/2014\/10\/F_7_1.gif-221x300.png 221w, https:\/\/reactivemusic.net\/wp-content\/uploads\/2014\/10\/F_7_1.gif.png 507w\" sizes=\"auto, (max-width: 221px) 100vw, 221px\" \/><\/a><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div>\n<p>A &#8216;block diagram&#8217; of a high pass filter. The impulse response of \u00a0low pass filter is subtracted from the impulse response of an all pass filter. Note that the all pass filter is the &#8216;delta response&#8217;:<\/p>\n<p><a href=\"https:\/\/reactivemusic.net\/wp-content\/uploads\/2014\/10\/Screen-Shot-2014-10-05-at-8.52.54-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-17229\" src=\"https:\/\/reactivemusic.net\/wp-content\/uploads\/2014\/10\/Screen-Shot-2014-10-05-at-8.52.54-PM-300x84.png\" alt=\"\" width=\"300\" height=\"84\" srcset=\"https:\/\/reactivemusic.net\/wp-content\/uploads\/2014\/10\/Screen-Shot-2014-10-05-at-8.52.54-PM-300x84.png 300w, https:\/\/reactivemusic.net\/wp-content\/uploads\/2014\/10\/Screen-Shot-2014-10-05-at-8.52.54-PM.png 830w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<h5>Applications<\/h5>\n<div><\/div>\n<div>\n<ul>\n<li>Ableton Live: convolution reverb (M4L)<\/li>\n<li>Creative convolution (Mark Durham)\u00a0<a href=\"http:\/\/sounddesignwithmax.blogspot.com\/2014\/01\/creative-convolution-part-1-resonate.html\">http:\/\/sounddesignwithmax.blogspot.com\/2014\/01\/creative-convolution-part-1-resonate.html<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<h4>Voices<\/h4>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-10266\" title=\"Screen Shot 2014-03-24 at 10.52.51 PM\" src=\"https:\/\/reactivemusic.net\/wp-content\/uploads\/2014\/03\/Screen-Shot-2014-03-24-at-10.52.51-PM-300x53.png\" alt=\"\" width=\"300\" height=\"53\" srcset=\"https:\/\/reactivemusic.net\/wp-content\/uploads\/2014\/03\/Screen-Shot-2014-03-24-at-10.52.51-PM-300x53.png 300w, https:\/\/reactivemusic.net\/wp-content\/uploads\/2014\/03\/Screen-Shot-2014-03-24-at-10.52.51-PM.png 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<ul>\n<li>Synthesizing voice\n<ul>\n<li>Formant synthesis:\n<ul>\n<li>Mark Durham:\u00a0<a href=\"https:\/\/reactivemusic.net\/?p=9294\">https:\/\/reactivemusic.net\/?p=9294<\/a>,<\/li>\n<li>Tutorial by Jordan Smith:\u00a0<a href=\"https:\/\/reactivemusic.net\/?p=9290\">https:\/\/reactivemusic.net\/?p=9290<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>vocaloid\n<ul>\n<li>vocaloid Max example:\u00a0<a href=\"https:\/\/reactivemusic.net\/?p=6891\">https:\/\/reactivemusic.net\/?p=6891<\/a><\/li>\n<li>Vocaloop (prototyped in Max)\u00a0<a href=\"http:\/\/vocaloop.jp\/\">http:\/\/vocaloop.jp\/<\/a><\/li>\n<li>Singer Songwriter Professional 10\u00a0<a href=\"https:\/\/reactivemusic.net\/?p=6959\">https:\/\/reactivemusic.net\/?p=6959<\/a>\u00a0from:\u00a0<a href=\"http:\/\/en.wikipedia.org\/wiki\/Internet_Co.,_Ltd.\">http:\/\/en.wikipedia.org\/wiki\/Internet_Co.,_Ltd.<\/a><\/li>\n<\/ul>\n<\/li>\n<li>vocoder<\/li>\n<li>\n<ul>\n<li>vocoder: (ableton Obama vocoder example)<\/li>\n<li><span style=\"line-height: 1.6;\">How vocoders work:\u00a0<\/span><a style=\"line-height: 1.6;\" href=\"https:\/\/reactivemusic.net\/?p=17218\">https:\/\/reactivemusic.net\/?p=17218<\/a><\/li>\n<li><span style=\"line-height: 1.6;\">Wikipedia:\u00a0<\/span><a style=\"line-height: 1.6;\" href=\"http:\/\/en.wikipedia.org\/wiki\/Vocoder\">http:\/\/en.wikipedia.org\/wiki\/Vocoder<\/a><\/li>\n<li>Max\/MSP: examples\/effects\/classic-vocoder-folder\/classic_vocoder.maxpat<\/li>\n<\/ul>\n<\/li>\n<li>Csound FOF example in M4L (m4l-fof-test3<\/li>\n<li>Bernie Krause: Soundscapes\n<ul>\n<li>Geophony, Biophony, Anthrophony<\/li>\n<li>The Voice of The Natural World:\u00a0<a href=\"http:\/\/blog.ted.com\/2013\/06\/12\/the-voice-of-the-natural-world-bernie-krause-at-tedglobal-2013\/\">http:\/\/blog.ted.com\/2013\/06\/12\/the-voice-of-the-natural-world-bernie-krause-at-tedglobal-2013\/<\/a><\/li>\n<li>TED:\u00a0<a href=\"http:\/\/www.ted.com\/talks\/bernie_krause_the_voice_of_the_natural_world\">http:\/\/www.ted.com\/talks\/bernie_krause_the_voice_of_the_natural_world<\/a><\/li>\n<li>The Nonesuch Guide to Electronic Music (track 25 &#8211; periodic 3 square waves)\u00a0<a href=\"http:\/\/www.allmusic.com\/album\/the-nonesuch-guide-to-electronic-music-collectors-choice-mw0000348044\">http:\/\/www.allmusic.com\/album\/the-nonesuch-guide-to-electronic-music-collectors-choice-mw0000348044<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>Examples<\/h3>\n<ul>\n<li>animal sounds in different languages\u00a0<a href=\"http:\/\/foundintranslation.berkeley.edu\/?p=2440\">http:\/\/foundintranslation.berkeley.edu\/?p=2440<\/a>\u00a0(broken link?)<\/li>\n<li>Derek Abbot&#8217;s animal noise page:\u00a0<a href=\"http:\/\/www.eleceng.adelaide.edu.au\/Personal\/dabbott\/animal.html\">http:\/\/www.eleceng.adelaide.edu.au\/Personal\/dabbott\/animal.html<\/a><\/li>\n<li>Quack project \u00a0<a href=\"http:\/\/www.quack-project.com\/table.cgi\">http:\/\/www.quack-project.com\/table.cgi<\/a><\/li>\n<li>Douglas Bako \u2013 Voicejam:\u00a0<a href=\"https:\/\/reactivemusic.net\/?p=7354\">https:\/\/reactivemusic.net\/?p=7354<\/a><\/li>\n<li>Pitch transposing a baby\u00a0<a href=\"https:\/\/reactivemusic.net\/?p=2458\">https:\/\/reactivemusic.net\/?p=2458<\/a><\/li>\n<li>The sound of nothing: David Tinapple:\u00a0<a href=\"http:\/\/vimeo.com\/1962465#\">http:\/\/vimeo.com\/1962465#<\/a>\u00a0(broken link?)<\/li>\n<li>Bobby McFerrin: (pentatonic scale)\u00a0<a href=\"http:\/\/www.ted.com\/talks\/bobby_mcferrin_hacks_your_brain_with_music.html\">http:\/\/www.ted.com\/talks\/bobby_mcferrin_hacks_your_brain_with_music.html<\/a><\/li>\n<li>Alphabet vocals\n<ul>\n<li>jii lighter\u00a0<a href=\"https:\/\/reactivemusic.net\/?p=6970\">https:\/\/reactivemusic.net\/?p=6970<\/a><\/li>\n<li>Sesame St\u00a0<a href=\"http:\/\/www.youtube.com\/watch?v=y819U6jBDog\">http:\/\/www.youtube.com\/watch?v=y819U6jBDog<\/a><\/li>\n<\/ul>\n<\/li>\n<li>Mario Paint Composer 4&#8217;33\u00a0<a href=\"http:\/\/createdigitalmusic.com\/2008\/04\/free-mario-paint-composer-for-windows-and-mac-mario-does-john-cage\/\">http:\/\/createdigitalmusic.com\/2008\/04\/free-mario-paint-composer-for-windows-and-mac-mario-does-john-cage\/<\/a><\/li>\n<li>Fictional language dialog:\u00a0<a href=\"https:\/\/reactivemusic.net\/?p=7242\">https:\/\/reactivemusic.net\/?p=7242<\/a><\/li>\n<li>The Speech accent archive\u00a0<a href=\"https:\/\/reactivemusic.net\/?p=9436\">https:\/\/reactivemusic.net\/?p=9436<\/a><\/li>\n<li>cataRT\u00a0<a href=\"https:\/\/reactivemusic.net\/?p=9264\">https:\/\/reactivemusic.net\/?p=9264<\/a><\/li>\n<\/ul>\n<p><span style=\"font-size: 27px; font-weight: bold; line-height: 1.1;\">Questions<\/span><\/p>\n<ul>\n<li>Why do most people not like the recorded sound of their voice?<\/li>\n<li>Can voice be used as a controller? (Imitone:\u00a0<a href=\"http:\/\/imitone.com\">http:\/\/imitone.com<\/a>)<\/li>\n<li>How do you recognize voices?<\/li>\n<li>Does speech recognition work with singing?<\/li>\n<li>How to remove vocals &#8211;\u00a0<a href=\"https:\/\/reactivemusic.net\/?p=1498\">https:\/\/reactivemusic.net\/?p=1498<\/a><\/li>\n<li>How can we listen to ultrasonic animal sounds<\/li>\n<li>Where can you find Acapella tracks\u00a0<a href=\"http:\/\/www.acapellas4u.co.uk\/portal.php\">http:\/\/www.acapellas4u.co.uk\/portal.php<\/a>\u00a0<a href=\"http:\/\/www.djtechtools.com\/2013\/07\/28\/getting-vocals-for-track-acapellas-for-djs\/\">http:\/\/www.djtechtools.com\/2013\/07\/28\/getting-vocals-for-track-acapellas-for-djs\/<\/a><\/li>\n<li><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Convolution and Voices &nbsp; Convolution part 1 &#8211;\u00a0The time domain: (The frequency domain): The impulse response Decomposition Unit impulse (delta function) convolution (from the input side and output side) filters From the output side: The convolution sum: Reference:\u00a0http:\/\/www.dspguide.com\u00a0&#8220;The Scientist and Engineer&#8217;s Guide to DSP&#8221;, By Steven Smith &#8211; chapters 6-7 Common impulse responses: A &#8216;block &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/reactivemusic.net\/?p=17211\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;ep-413 DSP week 6&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-17211","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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