{"id":1932,"date":"2020-09-17T19:05:33","date_gmt":"2020-09-17T19:05:33","guid":{"rendered":"http:\/\/mp4gain.com\/mp4gain\/?p=1932"},"modified":"2020-09-17T19:05:33","modified_gmt":"2020-09-17T19:05:33","slug":"digital-audio-formats-4","status":"publish","type":"post","link":"https:\/\/mp4gain.com\/mp4gain\/digital-audio-formats-4\/","title":{"rendered":"Digital audio formats"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/static3.makeuseofimages.com\/wordpress\/wp-content\/uploads\/2016\/05\/audio-formats-compare.jpg?q=50&amp;fit=crop&amp;w=960&amp;h=500\" alt=\"Digital Audio Formats\" width=\"500\" height=\"261\" \/><\/p>\n<p>Now there are several formats, but a basic distinction is made between lossless and lossy formats and compressed or uncompressed formats. Lossy formats are always compressed, which means a reduction in required storage space, but at the expense of playback quality. Lossless compressed formats offer faithful playback with low memory requirements.<\/p>\n<p>However, the savings are less than with lossy formats. Lossless and uncompressed formats offer true-to-original music reproduction, but require a comparatively large amount of storage space. In return, they sometimes support even higher resolutions than compressed formats.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/secureservercdn.net\/198.71.188.149\/0dd.d14.myftpupload.com\/wp-content\/uploads\/2015\/06\/Audio-formats.jpg\" alt=\"digital audio formats\" width=\"336\" height=\"324\" \/><\/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-formats-4\/#What_are_sample_rates_and_bit_depth\" >What are sample rates and bit depth?<\/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-formats-4\/#Why_arent_MP3_files_high_fidelity\" >Why aren&#8217;t MP3 files high fidelity?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/mp4gain.com\/mp4gain\/digital-audio-formats-4\/#What_is_metadata\" >What is metadata?<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_are_sample_rates_and_bit_depth\"><\/span>What are sample rates and bit depth?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>When talking about the resolution of digital music, two numbers are often mentioned. For CD quality around 44.1 kHz and 16 bit. The first number is the sample rate of the file. Describes how often the computer or network player extracts a signal from the file and processes it. 44.1 kHz means that a certain amount of data is transmitted 44,100 times per second. This amount of data is described by the bit depth (also word depth), the second number.<\/p>\n<p>At the quality described, 16 bits of data are transmitted 44,100 times per second. If you want to determine the actual amount of data per second, you need to multiply these two numbers and get 705,600 accordingly. Since this is a stereo file with 2 channels, this number should be taken twice.<\/p>\n<p>With CD quality music, 1,411,200 bits per second or, for the sake of simplicity, 1,411.2 kilobits are transmitted. A good MP3 file only transmits 320 kbps, so it only contains about a third of the information on a CD. Compared to 192 kHz 24-bit files, even less.What is the difference between compressed and uncompressed formats?<br \/>\nUncompressed formats like<\/p>\n<p>WAV do not affect music in any way. Frequencies and information are stored exactly as they are read during encoding. Therefore, uncompressed formats require more storage space in the first place than compressed formats. However, compressed does not automatically mean lossy. Formats like Apple&#8217;s FLAC or ALAC save music losslessly as a WAV file. However, they pack existing data more neatly without removing any information, thus requiring less storage space. Normally, there should be no effects on music information.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Why_arent_MP3_files_high_fidelity\"><\/span>Why aren&#8217;t MP3 files high fidelity?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The MP3 format was introduced in 1992. It was revolutionary for the time, because by encoding music in MPEG-Audio Layer III, the full name of the format, you could achieve file compression of at least 4: 1, usually even 10: 1, compared to the classic CD. . This is possible because encoding in MP3 format removes the parts of the original file that are considered the least useful.<\/p>\n<p>You can never make an exact copy of a music file in MP3 format and you cannot add information that has been deleted. So there is no point in converting an MP3 back to a lossless format. The AAC format used by Apple also cuts information from the original file to save space during compression.<\/p>\n<p>We speak here of lossy or in English also of &#8220;lossy&#8221;, in contrast to the formats without loss or &#8220;without loss&#8221;. Meanwhile, it doesn&#8217;t really make sense to use such formats anymore, as more storage space shouldn&#8217;t be a problem today, unlike in 1992. The sound quality of MP3s is also significantly lower than that of other formats, as only 320 kbps is transmitted here at best, usually only 192 kbps or 256 kbps.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_metadata\"><\/span>What is metadata?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Metadata are files attached to a file that contain additional information. In the case of digital music, these typically include things like sample rate, bit depth, and file format. In the best case, information about the song title, artist, album, composer, track number, etc. is also attached to the file. Modern streaming clients display this information when they play games on their screen or in an app. Also, these hidden attachments are often responsible for how the music in memory is organized.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Now there are several formats, but a basic distinction is made between lossless and lossy formats and compressed or uncompressed formats. Lossy formats are always compressed, which means a reduction in required storage space, but at the expense of playback quality. Lossless compressed formats offer faithful playback with low memory requirements. However, the savings are &hellip; <a href=\"https:\/\/mp4gain.com\/mp4gain\/digital-audio-formats-4\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Digital audio formats&#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":[43064,43050,15853,43062,23840,27557,43033,27574,27579,43036,43034,43048,43039,43041,43046,28929,16425,27531,43031,43029,27543,27542,43051,27569,43030,43058,16426,27532,30945,43065,27578,29704,29705,27587,16419,27530,6903,27564,43060,27597,43063,43066,27539,43038,43040,30946,27549,27577,27592,43067,43042,43044,43047,43037,43045,43055,43071,43069,43070,43049,43052,43057,27537,43059,43035,16521,43043,27572,43061,43032,43056,27573,27536,43054,43053,22956,43068],"class_list":["post-1932","post","type-post","status-publish","format-standard","hentry","category-audio-video","tag-3cx-digital-receptionist-audio-format","tag-audio-file-format-for-digital-libraries","tag-audio-format-dolby-digital-or-pcm","tag-audio-format-pcm-dolby-digital","tag-audio-format-pcm-vs-dolby-digital","tag-best-digital-audio-file-format","tag-best-digital-audio-format","tag-best-digital-audio-output-format","tag-best-digital-audio-quality-format","tag-best-digital-output-audio-format","tag-best-quality-digital-audio-format","tag-compact-disc-digital-audio-file-format","tag-compact-disc-digital-audio-format","tag-digital-audio-data-format","tag-digital-audio-encoding-format","tag-digital-audio-file-format","tag-digital-audio-file-types","tag-digital-audio-format-aac","tag-digital-audio-format-android-box","tag-digital-audio-format-android-tv","tag-digital-audio-format-conversion","tag-digital-audio-format-converter","tag-digital-audio-format-la-gi","tag-digital-audio-format-means","tag-digital-audio-format-mibox","tag-digital-audio-format-mqa","tag-digital-audio-format-pcm","tag-digital-audio-format-pcm-or-auto","tag-digital-audio-format-pcm-or-s-pdif","tag-digital-audio-format-pcm-ou-spdif","tag-digital-audio-format-pcm-spdif","tag-digital-audio-format-pcm-vs-spdif","tag-digital-audio-format-s-pdif","tag-digital-audio-format-spdif","tag-digital-audio-formats","tag-digital-audio-formats-explained","tag-digital-audio-formats-guide","tag-digital-audio-interface-format","tag-digital-audio-output-format","tag-digital-audio-recorder-wav-format","tag-digital-audio-recording-format","tag-digital-audio-tape-format","tag-digital-audiobook-format","tag-digital-coaxial-audio-format","tag-digital-concert-hall-audio-format","tag-digital-music-format","tag-digital-output-audio-format-dts-neo-2-5","tag-digital-output-audio-format-pcm","tag-digital-output-audio-format-samsung-tv","tag-digital-tv-audio-format","tag-dolby-digital-audio-format","tag-dolby-digital-plus-audio-format","tag-first-digital-audio-format","tag-format-audio-buku-digital","tag-format-audio-digital-dan-penjelasannya","tag-format-audio-digital-kontemporer","tag-format-audio-yang-mendukung-digital-rights-management","tag-format-audio-yang-mendukung-digital-rights-management-drm-adalah","tag-format-audio-yang-mendukung-digital-rights-management-adalah","tag-format-fail-audio-digital","tag-highest-digital-audio-format","tag-latest-digital-audio-format","tag-list-of-digital-audio-formats","tag-m-audio-co3-digital-format-converter","tag-mi-box-digital-audio-format","tag-pcm-audio-format-vs-dolby-digital","tag-samsung-audio-format-dolby-digital-greyed-out","tag-samsung-digital-audio-output-format","tag-samsung-tv-digital-audio-out-format","tag-the-first-digital-audio-format","tag-tuliskan-format-audio-digital-kontemporer","tag-tv-digital-audio-output-format","tag-types-of-digital-audio-formats","tag-what-audio-format-is-dolby-digital","tag-what-is-digital-audio-format","tag-which-digital-audio-format-is-best","tag-ydif-digital-audio-format"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Digital audio formats - mp4gain.com<\/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:\/\/mp4gain.com\/mp4gain\/digital-audio-formats-4\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Digital audio formats - mp4gain.com\" \/>\n<meta property=\"og:description\" content=\"Now there are several formats, but a basic distinction is made between lossless and lossy formats and compressed or uncompressed formats. 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Linkedin\",\"sameAs\":[\"https:\/\/www.linkedin.com\/in\/ricardoariaszorrilla\/\"],\"url\":\"https:\/\/mp4gain.com\/mp4gain\/author\/mp4gain\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Digital audio formats - mp4gain.com","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/mp4gain.com\/mp4gain\/digital-audio-formats-4\/","og_locale":"en_US","og_type":"article","og_title":"Digital audio formats - mp4gain.com","og_description":"Now there are several formats, but a basic distinction is made between lossless and lossy formats and compressed or uncompressed formats. Lossy formats are always compressed, which means a reduction in required storage space, but at the expense of playback quality. Lossless compressed formats offer faithful playback with low memory requirements. However, the savings are &hellip; Continue reading \"Digital audio formats\"","og_url":"https:\/\/mp4gain.com\/mp4gain\/digital-audio-formats-4\/","og_site_name":"mp4gain.com","article_publisher":"https:\/\/www.facebook.com\/mp4gain","article_published_time":"2020-09-17T19:05:33+00:00","og_image":[{"url":"https:\/\/static3.makeuseofimages.com\/wordpress\/wp-content\/uploads\/2016\/05\/audio-formats-compare.jpg?q=50&amp;fit=crop&amp;w=960&amp;h=500","type":"","width":"","height":""}],"author":"R. Arias","twitter_card":"summary_large_image","twitter_creator":"@mp4gain","twitter_site":"@mp4gain","twitter_misc":{"Written by":"R. Arias","Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/mp4gain.com\/mp4gain\/digital-audio-formats-4\/#article","isPartOf":{"@id":"https:\/\/mp4gain.com\/mp4gain\/digital-audio-formats-4\/"},"author":{"name":"R. 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