{"id":18824,"date":"2026-10-16T12:56:04","date_gmt":"2026-10-16T10:56:04","guid":{"rendered":"https:\/\/www.bramjacobse.nl\/wordpress\/?p=18824"},"modified":"2026-10-16T21:06:15","modified_gmt":"2026-10-16T19:06:15","slug":"isp-sound-shaper","status":"publish","type":"post","link":"https:\/\/www.bramjacobse.nl\/wordpress\/?p=18824","title":{"rendered":"ISP Sound Shaper"},"content":{"rendered":"<p><strong>ISP Sound Shaper<\/strong><\/p>\n<p>Based on PCF5020\/A DSP<\/p>\n<p>Found some information on the PCF5020\/A DSP\u00a0 &#8211;\u00a0<span style=\"color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"https:\/\/www.bramjacobse.nl\/wordpress\/?p=19012\">Philips Semiconductors : Southampton Chips<\/a><\/span><\/p>\n<p><em>&#8220;Another chip, destined for use in Digital Sound processors, offers two curious alternatives to the usual Church, Hall, or Concert Hall ambience,\u00a0 a Bathroom sound (hmmm) and heaven help us! \u2013 a Cave. Would be hermits and Thrash Metal Neanderthals look out. No one seems yet to have spotted the intriguing fact that it also offers digital scratch suppression for analogue LPs for other primitives who still have black disc collections. \u00a0Interested manufacturers can ask about the PCF5020\/A.&#8221;<\/em><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19815\" src=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP-_Sound_Shaper_01.jpeg\" alt=\"\" width=\"1280\" height=\"811\" srcset=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP-_Sound_Shaper_01.jpeg 1280w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP-_Sound_Shaper_01-720x456.jpeg 720w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP-_Sound_Shaper_01-520x329.jpeg 520w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP-_Sound_Shaper_01-320x203.jpeg 320w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP-_Sound_Shaper_01-300x190.jpeg 300w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP-_Sound_Shaper_01-768x487.jpeg 768w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP-_Sound_Shaper_01-800x507.jpeg 800w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p><strong>Simulation<\/strong><\/p>\n<ul>\n<li>Distance<\/li>\n<li>Size<\/li>\n<li>Absorption<\/li>\n<\/ul>\n<p><strong>Defaultroom<\/strong><\/p>\n<ul>\n<li>Distance<\/li>\n<li>Size<\/li>\n<\/ul>\n<p><strong>Equaliser <\/strong><\/p>\n<ul>\n<li>62 Hz<\/li>\n<li>125 Hz<\/li>\n<li>250 Hz<\/li>\n<li>500Hz<\/li>\n<li>1 kHz<\/li>\n<li>3 kHz<\/li>\n<li>12 kHz<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18822\" src=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/06\/ISP_Sound_Shaper_04.jpeg\" alt=\"\" width=\"1280\" height=\"845\" srcset=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/06\/ISP_Sound_Shaper_04.jpeg 1280w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/06\/ISP_Sound_Shaper_04-720x475.jpeg 720w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/06\/ISP_Sound_Shaper_04-520x343.jpeg 520w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/06\/ISP_Sound_Shaper_04-320x211.jpeg 320w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/06\/ISP_Sound_Shaper_04-300x198.jpeg 300w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/06\/ISP_Sound_Shaper_04-768x507.jpeg 768w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/06\/ISP_Sound_Shaper_04-800x528.jpeg 800w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19818\" src=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP-_Sound_Shaper_11.jpeg\" alt=\"\" width=\"1280\" height=\"1086\" srcset=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP-_Sound_Shaper_11.jpeg 1280w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP-_Sound_Shaper_11-720x611.jpeg 720w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP-_Sound_Shaper_11-520x441.jpeg 520w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP-_Sound_Shaper_11-320x272.jpeg 320w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP-_Sound_Shaper_11-300x255.jpeg 300w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP-_Sound_Shaper_11-768x652.jpeg 768w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP-_Sound_Shaper_11-800x679.jpeg 800w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19821\" src=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_20.jpeg\" alt=\"\" width=\"1280\" height=\"930\" srcset=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_20.jpeg 1280w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_20-720x523.jpeg 720w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_20-520x378.jpeg 520w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_20-320x233.jpeg 320w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_20-300x218.jpeg 300w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_20-768x558.jpeg 768w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_20-800x581.jpeg 800w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19822\" src=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_21.jpeg\" alt=\"\" width=\"1280\" height=\"961\" srcset=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_21.jpeg 1280w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_21-720x541.jpeg 720w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_21-520x390.jpeg 520w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_21-320x240.jpeg 320w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_21-300x225.jpeg 300w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_21-768x577.jpeg 768w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_21-800x601.jpeg 800w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19823\" src=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_22.jpeg\" alt=\"\" width=\"1280\" height=\"1006\" srcset=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_22.jpeg 1280w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_22-720x566.jpeg 720w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_22-520x409.jpeg 520w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_22-320x252.jpeg 320w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_22-300x236.jpeg 300w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_22-768x604.jpeg 768w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_22-800x629.jpeg 800w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19827\" src=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_26.jpeg\" alt=\"\" width=\"1280\" height=\"944\" srcset=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_26.jpeg 1280w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_26-720x531.jpeg 720w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_26-520x384.jpeg 520w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_26-320x236.jpeg 320w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_26-300x221.jpeg 300w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_26-768x566.jpeg 768w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_26-800x590.jpeg 800w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19828\" src=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_27.jpeg\" alt=\"\" width=\"1280\" height=\"1050\" srcset=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_27.jpeg 1280w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_27-720x591.jpeg 720w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_27-520x427.jpeg 520w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_27-320x263.jpeg 320w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_27-300x246.jpeg 300w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_27-768x630.jpeg 768w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_27-800x656.jpeg 800w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19832\" src=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_31.jpeg\" alt=\"\" width=\"1280\" height=\"795\" srcset=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_31.jpeg 1280w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_31-720x447.jpeg 720w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_31-520x323.jpeg 520w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_31-320x199.jpeg 320w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_31-300x186.jpeg 300w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_31-768x477.jpeg 768w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_31-800x497.jpeg 800w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19833\" src=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_32.jpeg\" alt=\"\" width=\"1280\" height=\"960\" srcset=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_32.jpeg 1280w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_32-720x540.jpeg 720w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_32-520x390.jpeg 520w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_32-320x240.jpeg 320w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_32-300x225.jpeg 300w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_32-768x576.jpeg 768w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_32-800x600.jpeg 800w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19834\" src=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_33.jpeg\" alt=\"\" width=\"1280\" height=\"613\" srcset=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_33.jpeg 1280w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_33-720x345.jpeg 720w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_33-520x249.jpeg 520w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_33-320x153.jpeg 320w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_33-300x144.jpeg 300w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_33-768x368.jpeg 768w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_33-800x383.jpeg 800w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19836\" src=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_35.jpeg\" alt=\"\" width=\"1280\" height=\"1005\" srcset=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_35.jpeg 1280w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_35-720x565.jpeg 720w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_35-520x408.jpeg 520w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_35-320x251.jpeg 320w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_35-300x236.jpeg 300w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_35-768x603.jpeg 768w, 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https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_46-320x240.jpeg 320w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_46-300x225.jpeg 300w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_46-768x576.jpeg 768w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_46-800x600.jpeg 800w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19851\" src=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_44.jpeg\" alt=\"\" width=\"1280\" height=\"803\" srcset=\"https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_44.jpeg 1280w, https:\/\/www.bramjacobse.nl\/wordpress\/wp-content\/uploads\/2026\/10\/ISP_Sound_Shaper_44-720x452.jpeg 720w, 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the&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":19815,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[220,318],"tags":[],"class_list":["post-18824","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-isp","category-sound-shaper"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ISP Sound Shaper - Bram Jacobse<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.bramjacobse.nl\/wordpress\/?p=18824\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ISP Sound Shaper - Bram Jacobse\" \/>\n<meta property=\"og:description\" content=\"ISP 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