{"id":5501,"date":"2021-03-24T07:40:29","date_gmt":"2021-03-24T05:40:29","guid":{"rendered":"https:\/\/www.bramjacobse.nl\/wordpress\/?p=5501"},"modified":"2026-02-17T14:20:32","modified_gmt":"2026-02-17T13:20:32","slug":"digital-to-analog-conversion-in-playing-a-compact-disc-2","status":"publish","type":"post","link":"https:\/\/www.bramjacobse.nl\/wordpress\/?p=5501","title":{"rendered":"Digital-to-analog conversion in playing a Compact Disc"},"content":{"rendered":"

Digital-to-analog conversion in playing a Compact Disc<\/p>\n

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Summary.<\/strong><\/p>\n

The 16 bit words from the error-correcting circuit are converted into an analog signal by a 16 bit conversion system. This system consists of a digital transversal filter, in which the signal is oversampled 4 times (sampling rate 176.4 kHz) and then filtered in such a way that signals at frequencies above 20 kHz are attenuated by 50 dB after digital-to-analog conversion. The filter is followed by a noise shaper, which rounds off to 14 bits with negative feedback of the rounding-off error of the preceding sample. Next there is a 14 bit digital-to-analog converter, which is followed by a low-pass third-order Bessel filter. The signal-to-noise ratio of the complete system is about 97 dB. Even though the lowpass filter has a sharp cut-off the system is phase linear. The entire system, except for a few operational amplifiers, is contained in three integrated circuits; one for the digital filter (for both of the stereo channels) and two for the two digital-to-analog converters.<\/strong><\/p>\n

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Link -><\/span> Philips tech. Rev. 40,174-179,1982, No. 6<\/a><\/span><\/p>\n

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Digital-to-analog conversion in playing a Compact Disc   Summary. The 16 bit words from the error-correcting circuit are converted into an analog signal by a 16 bit conversion system. This system consists of a...<\/p>\n","protected":false},"author":1,"featured_media":5503,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[119],"tags":[],"class_list":["post-5501","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-article"],"yoast_head":"\nDigital-to-analog conversion in playing a Compact Disc - 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=5501\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Digital-to-analog conversion in playing a Compact Disc - Bram Jacobse\" \/>\n<meta property=\"og:description\" content=\"Digital-to-analog conversion in playing a Compact Disc   Summary. 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