{"id":1585,"date":"2020-07-14T00:04:48","date_gmt":"2020-07-14T00:04:48","guid":{"rendered":"http:\/\/mp4gain.com\/mp4gain\/?p=1585"},"modified":"2020-07-14T00:04:48","modified_gmt":"2020-07-14T00:04:48","slug":"digital-audio-explained","status":"publish","type":"post","link":"https:\/\/mp4gain.com\/mp4gain\/digital-audio-explained\/","title":{"rendered":"DIGITAL AUDIO explained"},"content":{"rendered":"<p>Audio is the electronic information that represents sound, or rather, having sound of a temporary nature is the flow of information that represents it.<\/p>\n<p>Sound is made up of pressure waves traveling in space, therefore it is represented by a sinusoidal.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/encrypted-tbn0.gstatic.com\/images?q=tbn%3AANd9GcQ6cZ1pW-MKPFoSdOCNuP3cqjYY1Lzlwt2aOg&amp;usqp=CAU\" alt=\"Digital Audio\" width=\"429\" height=\"117\" \/><\/p>\n<p>The characteristics of a sound are:<\/p>\n<p><strong>Amplitude<\/strong>: Measured in Hertz (Hz) and determined by the frequency of a sound, the higher the frequency, the louder the sound, the lower it is, the lower the sound.<\/p>\n<p><strong>Intensity<\/strong>: it is measured in decibels (db) and is determined by the power of a sound, the more intense a sound is, the greater its volume.<\/p>\n<p><strong>Duration<\/strong>: It is measured in seconds (s) and dermal how long a sound lasts over time.<\/p>\n<p><strong>Timbre<\/strong>: It is not directly measurable, but it is that sound parameter that allows us to distinguish a trumpet from a drum. It constitutes the trace of a sound and is characterized by harmonics.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/lh3.googleusercontent.com\/proxy\/A1VcAJDyKlwgbtg9fB9Fn3Odk3O1g7uerPu4W2xg0A126o1_5ZEBX0_SSOGxpZLEvYbaCyih9wa66dtGPqzOkm9HVmLb62f24MeNVTWtpK_v3NF4q2RvRwanjlo\" alt=\"digital audio\" width=\"512\" height=\"343\" \/><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/mp4gain.com\/mp4gain\/digital-audio-explained\/#ANALOGUE_AND_DIGITAL\" >ANALOGUE AND DIGITAL<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/mp4gain.com\/mp4gain\/digital-audio-explained\/#THE_CHARACTERISTICS_OF_DIGITAL_SOUND\" >THE CHARACTERISTICS OF DIGITAL SOUND<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/mp4gain.com\/mp4gain\/digital-audio-explained\/#Sampling_rate\" >Sampling rate<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/mp4gain.com\/mp4gain\/digital-audio-explained\/#Bit_depth\" >Bit depth<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/mp4gain.com\/mp4gain\/digital-audio-explained\/#Transmission_rate_bit_rate\" >Transmission rate (bit rate)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/mp4gain.com\/mp4gain\/digital-audio-explained\/#AUDIO_PROCESSING\" >AUDIO PROCESSING<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"ANALOGUE_AND_DIGITAL\"><\/span>ANALOGUE AND DIGITAL<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>There are two different ways of representing sound as electronic, analog and digital information.<\/p>\n<p>Analog audio was the first, in chronological order, to be developed.<\/p>\n<p>The information varies similarly to the information it represents and can (in theory) assume any value.<\/p>\n<p>If we greatly expand the sine wave that describes an analog sound, we would see that it is a continuous line without interruptions.<\/p>\n<p>Instead, digital audio is encoded with a number system, which allows discretization (transition from analog to digital), during this step information is lost, but once the sound is written as a series of numbers (digital information) it is possible to reproduce it. , transmit and modify it without losing anything in terms of quality, which is impossible with analog information.<\/p>\n<p>If we greatly expand the sine wave that represents a digital sound, we would realize that it is not a continuous line as in the previous case, but a series of points very close to each other.<\/p>\n<p>The amount of these points in one second of information will define the &#8220;sampling frequency&#8221;.<\/p>\n<p>The amount of information that each point can contain is called &#8220;bit depth&#8221;.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"THE_CHARACTERISTICS_OF_DIGITAL_SOUND\"><\/span>\nTHE CHARACTERISTICS OF DIGITAL SOUND<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Sampling_rate\"><\/span>Sampling rate<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Determine the number of samples contained in one second of information.<\/p>\n<p>It is expressed in hertz (Hz) and generally assumes the following values \u200b\u200bin the musical field: 22050Hz, 44100Hz, 96000Hz.<\/p>\n<p>According to Nyquist&#8217;s theorem, each sampling frequency can record and reproduce sounds that have a maximum frequency equal to half of the chosen sampling frequency, this means that a piece sampled at 44Mhz can assume values \u200b\u200bof up to 22Mhz only<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Bit_depth\"><\/span>Bit depth<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Determine the amount of information contained in each sample.<\/p>\n<p>It is expressed in Bit (bit) and generally assumes the following values \u200b\u200bin the musical field 8Bit, 16Bit and 24Bit.<\/p>\n<p>Above all, this is the parameter that depends on the quality of a sound.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Transmission_rate_bit_rate\"><\/span>Transmission rate (bit rate)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>It is a characteristic of codecs, that is, of the &#8220;machine language&#8221; used to describe a sound.<\/p>\n<p>Sets the total amount of information needed to play a second of a sound.<\/p>\n<p>It is expressed in Bit \/ s.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"AUDIO_PROCESSING\"><\/span>AUDIO PROCESSING<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Whether you&#8217;re talking about studio recording or live performances, the audio signal is never sent directly from the microphone to the speakers \/ recording medium, but is always processed first, through tools that allow you to perform different interventions. in the sound<\/p>\n<p>These instruments can be analog, therefore they have the instrument physically in the studio (which is usually inserted inside a shelf), which must be connected between the microphone and the mixer or between the mixer and the speakers \/ recording medium.<\/p>\n<p>Or you can simulate them through some plugins for your computer.<\/p>\n<p>It is necessary to have a Daw (Digital Audio Workstation), which is the workspace in which all editing operations are performed. (Ableton, Cubase, Fruitloops, Logic, Reaper).<\/p>\n<p>Within this software it is possible to install smaller ones, called VST (Virtual Studio Technology) that simulate the circuits of the studio equipment, emulating the effect.<\/p>\n<p>(There are also other proprietary plugins with extensions other than the classic VST like .component or .au).<\/p>\n<p>Some tools are essential and are used in all audio recordings, others are used only in particular situations or to obtain \/ avoid certain effects.<\/p>\n<p>The main ones are:<\/p>\n<p>Equalizer, is used to emphasize or attenuate some frequencies, this way you get a cleaner sound and a less &#8220;mixed&#8221; mix where all the instruments occupy only the correct frequencies, without overlapping.<\/p>\n<p>The compressor, as the name suggests, serves to compress the dynamic range, so that the sound is more consistent and less dispersive.<\/p>\n<p>Amp, wavering of different kinds, is used to increase the intensity of a sound.<\/p>\n<p>Limiter works in a similar way to the compressor, but instead of compressing all frequencies, it attenuates those that exceed a predetermined threshold (threshold), avoids entering faults.<\/p>\n<p>Reverb adds a slight reverb that makes a sound recorded in a soundproof studio much more natural than it would be too &#8220;dry&#8221;.<\/p>\n<p>Filters (high \/ low cut) allow you to cut some useless and sumptuous frequencies too low or too high. (They are just 1 band parametric equalizers).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Audio is the electronic information that represents sound, or rather, having sound of a temporary nature is the flow of information that represents it. Sound is made up of pressure waves traveling in space, therefore it is represented by a sinusoidal. The characteristics of a sound are: Amplitude: Measured in Hertz (Hz) and determined by &hellip; <a href=\"https:\/\/mp4gain.com\/mp4gain\/digital-audio-explained\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;DIGITAL AUDIO explained&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[24202,24201,37915,24269,37923,24293,24295,24294,24296,24287,37901,37902,24203,24204,24255,24257,24282,24232,24298,24228,24302,24229,16387,24218,37905,37906,24217,24219,24216,37907,37908,24220,37909,24221,16450,37911,37904,16454,37910,24208,16452,24210,24211,37913,24223,37912,24225,24227,24286,24233,24200,24199,37914,24198,24241,24239,24234,37916,37917,24238,24289,24240,37918,24237,37919,24250,37921,24247,24248,24252,24249,37920,24316,24317,24268,24267,24266,24271,24272,24273,24297,24212,24209,24285,24283,24284,24288,24290,24207,15405,15404,24206,37925,24205,37924,37903,24299,24303,24300,24301,37929,24307,37928,24304,24312,37927,24306,24315,24314,24215,24226,24236,24231,24274,24278,24276,24280,24277,24275,24256,24264,24260,24259,24261,24262,24265,24270,22949,37922,22948,24213,15354,37926],"class_list":["post-1585","post","type-post","status-publish","format-standard","hentry","category-audio-video","tag-about-digital-audio-files","tag-about-digital-audio-workstation","tag-audio-digital-on","tag-audio-digital-post-production","tag-audio-through-digital-optical","tag-best-digital-audio-player-under-100","tag-best-digital-audio-player-under-300","tag-best-digital-audio-player-under-200","tag-best-digital-audio-player-under-500","tag-dante-digital-audio-network-through-ethernet","tag-digital-audio-about","tag-digital-audio-after","tag-digital-audio-as","tag-digital-audio-as-output","tag-digital-audio-bits-per-sample","tag-digital-audio-broadcasting-plus","tag-digital-audio-cable-better-than-hdmi","tag-digital-audio-cable-for-sale-near-me","tag-digital-audio-cable-hook-up","tag-digital-audio-cable-near-me","tag-digital-audio-cable-versus-hdmi","tag-digital-audio-converter-near-me","tag-digital-audio-delay","tag-digital-audio-for","tag-digital-audio-for-dummies","tag-digital-audio-for-pc","tag-digital-audio-for-sound","tag-digital-audio-for-subwoofer","tag-digital-audio-for-tv","tag-digital-audio-from-apple-tv","tag-digital-audio-from-hdmi","tag-digital-audio-from-iphone","tag-digital-audio-from-laptop","tag-digital-audio-from-tv","tag-digital-audio-in","tag-digital-audio-in-adapter","tag-digital-audio-in-analog-out","tag-digital-audio-in-cable","tag-digital-audio-in-cord","tag-digital-audio-in-multimedia","tag-digital-audio-in-optical","tag-digital-audio-in-optical-cable","tag-digital-audio-in-out-cable","tag-digital-audio-in-speakers","tag-digital-audio-in-the-classroom","tag-digital-audio-in-to-rca-out","tag-digital-audio-into-coax","tag-digital-audio-near-me","tag-digital-audio-network-through-ethernet","tag-digital-audio-of-cassette","tag-digital-audio-on-3-5mm","tag-digital-audio-on-amplifier","tag-digital-audio-on-pc","tag-digital-audio-on-tv","tag-digital-audio-out-adapter","tag-digital-audio-out-coaxial","tag-digital-audio-out-of","tag-digital-audio-out-optical","tag-digital-audio-out-optical-to-rca","tag-digital-audio-out-pcm","tag-digital-audio-out-till-rca","tag-digital-audio-out-to-aux","tag-digital-audio-out-to-bluetooth","tag-digital-audio-out-to-rca","tag-digital-audio-over-cat5","tag-digital-audio-over-cat5e-cat6-cable-extender","tag-digital-audio-over-cat6-extender","tag-digital-audio-over-coax","tag-digital-audio-over-ethernet","tag-digital-audio-over-ip","tag-digital-audio-over-rg6","tag-digital-audio-over-wifi","tag-digital-audio-player-without-dac","tag-digital-audio-player-worth-it","tag-digital-audio-post","tag-digital-audio-post-inc","tag-digital-audio-post-nashville","tag-digital-audio-preamplifier","tag-digital-audio-pro-series-speakers","tag-digital-audio-pro-speakers","tag-digital-audio-set-up","tag-digital-audio-songs-come","tag-digital-audio-the-line-between-audiophiles-and-audiofools","tag-digital-audio-through","tag-digital-audio-through-hdmi","tag-digital-audio-through-pc","tag-digital-audio-till-analog","tag-digital-audio-till-rca","tag-digital-audio-to-3-5mm","tag-digital-audio-to-analog","tag-digital-audio-to-analog-converter","tag-digital-audio-to-aux","tag-digital-audio-to-bluetooth","tag-digital-audio-to-rca","tag-digital-audio-to-rca-cable","tag-digital-audio-to-rca-converter","tag-digital-audio-versus-hdmi","tag-digital-audio-via-ethernet","tag-digital-audio-vs-analog","tag-digital-audio-vs-analog-signal","tag-digital-audio-vs-arc","tag-digital-audio-vs-aux","tag-digital-audio-vs-bluetooth","tag-digital-audio-vs-hdmi","tag-digital-audio-vs-midi","tag-digital-audio-vs-optical-audio","tag-digital-audio-vs-rca","tag-digital-audio-with-headphones","tag-digital-audio-with-optical-input","tag-digital-audio-workstation-dumbed-down","tag-digital-audio-workstation-like-cubase","tag-digital-audio-workstation-top-10","tag-digital-optical-audio-cable-near-me","tag-digital-pro-audio","tag-digital-pro-audio-dpa-210t","tag-digital-pro-audio-sl-t-2-8","tag-digital-pro-audio-speakers-concert-series","tag-digital-pro-audio-speakers-dpa-312","tag-digital-pro-audio-tower-speakers","tag-dolby-digital-audio-plus-driver","tag-dolby-digital-plus-audio-driver-7-3-2-2-download","tag-dolby-digital-plus-audio-driver-7-5-1-1","tag-dolby-digital-plus-audio-driver-7-5-1-1-download","tag-dolby-digital-plus-audio-driver-7-6-4-9-download","tag-dolby-digital-plus-audio-driver-download","tag-dolby-digital-plus-audio-driver-version-7-5-1-1","tag-fxphd-introduction-to-digital-audio-post","tag-is-digital-audio-better-than-analog","tag-is-digital-audio-better-than-bluetooth","tag-is-digital-audio-better-than-hdmi","tag-lalitha-digital-audio-songs-come","tag-make-digital-audio-sound-like-analog","tag-output-digital-audio-via-usb"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>DIGITAL AUDIO explained - mp4gain.com<\/title>\n<meta name=\"description\" content=\"Audio is the electronic information that represents sound, or rather, having sound of a temporary nature is the flow of information that represents it.Sound is made up of pressure waves traveling in space, therefore it is represented by a sinusoidal.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mp4gain.com\/mp4gain\/digital-audio-explained\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DIGITAL AUDIO explained - mp4gain.com\" \/>\n<meta property=\"og:description\" content=\"Audio is the electronic information that represents sound, or rather, having sound of a 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