{"id":5924,"date":"2022-11-15T16:14:53","date_gmt":"2022-11-15T16:14:53","guid":{"rendered":"https:\/\/mp4gain.com\/mp4gain\/?p=5924"},"modified":"2022-11-15T16:14:53","modified_gmt":"2022-11-15T16:14:53","slug":"what-is-digital-audio-7","status":"publish","type":"post","link":"https:\/\/mp4gain.com\/mp4gain\/what-is-digital-audio-7\/","title":{"rendered":"What is digital audio?"},"content":{"rendered":"

What is digital audio?<\/h2>\n
\"Digital
Digital Audio<\/figcaption><\/figure>\n

How does digital audio work?<\/p>\n

\"Digital
Digital Audio<\/figcaption><\/figure>\n

What is the rate? Of course, I can’t directly explain to you that “rate is bitrate”. When you play sound files with some software, you should notice a small message. For example, “128Kbps”, “1411Kbps”… Some friends also know that under normal circumstances, the larger the number in front of “Kbps”, the better the sound effect, for example, CD is “1411Kbps”. So what exactly do these numbers represent? In a nutshell, how much data is converted into sound per second. The reason CDs sound better than MP3s is that CDs have more information per second than MP3s. For example, compared to a 1411 Kbps CD file, a 128 Kbps MP3 file can convert almost 12 times less data per second than a CD. For the same song, the CD is much more delicate to listen to (of course, there is a group of people in the crowd known as “mushrooms” who can feel that the effect is the same) MP3 expresses the same content with less data and, of course, its level of detail is not as good as that of a CD.<\/p>\n

 <\/p>\n

2. Sampling rate.<\/p>\n

 <\/p>\n

Sampling rate is also a very common term. The specific form is “XXHz”, where “XX” is a specific number. Such as “44100Hz (44.1KHz)”, “32000Hz (32KHz)” and so on. As mentioned above, digital audio files are made up of many “points”, so the sample rate is actually a standard “quantity” to collect these “points”. Obviously, the sampling rate of “44100 Hz” is higher than that of “32000 Hz”, so more points are collected per time unit (1 second). The more points per unit of time, the more complete the sound information and, of course, the closer to reality. So if the guaranteed rate is the same, the file “44100Hz” is better than “32000Hz” (of course, this is not absolute).<\/p>\n

 <\/p>\n

————————————————–<\/p>\n

 <\/p>\n

lossy compression<\/p>\n

 <\/p>\n

In fact, we are all familiar with lossy compressed audio sources. At present, popular lossy formats mainly include MP3, WMA, OGG, MP3pro, AAC, VQF, ASF, etc.<\/p>\n

 <\/p>\n

2.WMV format<\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

The full name of WMA is WindowsMedia Audio, which is an audio format promoted by Microsoft. The WMA format achieves a higher compression ratio by reducing the data stream while maintaining sound quality. The compression ratio can usually reach 1:18, and the generated file size is only half of the corresponding MP3 file.<\/p>\n

 <\/p>\n

3.MP3 format<\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

The full name of MP3 is MovingPicture Experts Group Audio Layer \u2162. In a nutshell, MP3 is an audio compression technology. Since the full name of this compression method is called MPEGAAudio Layer 3, people call it MP3 for short. It was born in 1993, and its “parents” are the German FaunhofeIIS and the French Thomson.<\/p>\n

 <\/p>\n

MP3 uses MPEGAudio Layer 3 technology to compress music into smaller files with a compression ratio of 1:10 or even 1:12. In other words, you can compress files to a smaller size with little loss of sound quality. And it keeps the original sound quality very well. It is precisely because of MP3’s small size and high sound quality that the MP3 format has become almost synonymous with online music. The MP3 format of music per minute is only 1 MB in size, so the size of each song is only 3-4 megabytes. Use an MP3 player to uncompress (decode) MP3 files in real time so that high-quality MP3 music can be played.<\/p>\n","protected":false},"excerpt":{"rendered":"

What is digital audio? How does digital audio work? What is the rate? Of course, I can’t directly explain to you that “rate is bitrate”. When you play sound files with some software, you should notice a small message. For example, “128Kbps”, “1411Kbps”… Some friends also know that under normal circumstances, the larger the number … Continue reading “What is digital audio?”<\/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":[257],"tags":[105499,28067,105516,105520,105517,105526,105510,37915,105508,24269,105495,105538,105483,37901,105524,105536,105511,24255,105490,24257,24228,59295,105515,105518,105519,24229,105533,105486,16408,24218,105521,37905,105522,37906,24217,24219,24216,37908,58498,24220,52742,37904,24222,58499,37910,105489,24208,105488,105491,16452,24210,24224,105492,52743,105513,52744,59290,16459,105523,105541,105542,24200,105507,105504,105498,105505,105506,24198,52747,105503,16331,24239,24214,105528,82444,24234,37916,59300,52748,24238,59301,24289,52749,24240,24237,105527,24251,105500,37919,24250,24247,24248,24252,105502,24254,105501,24316,52750,59303,105532,105484,105534,105525,82379,105493,24284,105497,24207,15405,15404,24206,37925,52757,59308,105485,24205,105487,37924,37903,24300,24311,37929,24307,37928,24304,52758,24312,24305,37927,24306,24309,105509,24315,105494,24313,24314,24226,52756,105539,59292,52762,24274,105535,24278,52754,59304,24276,52752,24279,24275,105514,54640,105529,105540,105512,24258,105530,24259,24261,24262,24265,105496,105531,24270,62049,22948,105537,15354,59309,59293],"class_list":["post-5924","post","type-post","status-publish","format-standard","hentry","category-audio-normalizer","tag-about-digital-audio-port","tag-are-digital-audio-players-worth-it","tag-audio-digital-como-activar","tag-audio-digital-como-es","tag-audio-digital-como-se-hace","tag-audio-digital-midi","tag-audio-digital-near-me","tag-audio-digital-on","tag-audio-digital-online","tag-audio-digital-post-production","tag-best-digital-audio-transport","tag-converting-analog-audio-into-digital-audio","tag-digital-audio","tag-digital-audio-about","tag-digital-audio-advantages-and-disadvantages","tag-digital-audio-better-than-analog","tag-digital-audio-between-computers","tag-digital-audio-bits-per-sample","tag-digital-audio-broadcasting-examples","tag-digital-audio-broadcasting-plus","tag-digital-audio-cable-near-me","tag-digital-audio-coaxial-cable-near-me","tag-digital-audio-como-funciona","tag-digital-audio-como-se-usa","tag-digital-audio-como-usar","tag-digital-audio-converter-near-me","tag-digital-audio-converter-preamp","tag-digital-audio-examples","tag-digital-audio-explained","tag-digital-audio-for","tag-digital-audio-for-car","tag-digital-audio-for-dummies","tag-digital-audio-for-marketing","tag-digital-audio-for-pc","tag-digital-audio-for-sound","tag-digital-audio-for-subwoofer","tag-digital-audio-for-tv","tag-digital-audio-from-hdmi","tag-digital-audio-from-ipad","tag-digital-audio-from-iphone","tag-digital-audio-from-pc","tag-digital-audio-in-analog-out","tag-digital-audio-in-and-out-cable","tag-digital-audio-in-coaxial","tag-digital-audio-in-cord","tag-digital-audio-in-hindi","tag-digital-audio-in-multimedia","tag-digital-audio-in-multimedia-pdf","tag-digital-audio-in-multimedia-ppt","tag-digital-audio-in-optical","tag-digital-audio-in-optical-cable","tag-digital-audio-in-optical-samsung","tag-digital-audio-in-optical-samsung-soundbar","tag-digital-audio-in-samsung-soundbar","tag-digital-audio-in-to-aux","tag-digital-audio-in-vs-hdmi","tag-digital-audio-into-aux","tag-digital-audio-jobs","tag-digital-audio-low-pass-filter","tag-digital-audio-no-conectado","tag-digital-audio-no-output","tag-digital-audio-on-3-5mm","tag-digital-audio-on-a-pc","tag-digital-audio-on-cable-box","tag-digital-audio-on-cassette","tag-digital-audio-on-computer","tag-digital-audio-on-mac","tag-digital-audio-on-tv","tag-digital-audio-on-vhs","tag-digital-audio-on-vinyl","tag-digital-audio-out-cable","tag-digital-audio-out-coaxial","tag-digital-audio-out-come-funziona","tag-digital-audio-out-means","tag-digital-audio-out-not-working","tag-digital-audio-out-of","tag-digital-audio-out-optical","tag-digital-audio-out-optical-cable","tag-digital-audio-out-optical-cable-for-samsung-tv","tag-digital-audio-out-pcm","tag-digital-audio-out-pcm-or-auto","tag-digital-audio-out-till-rca","tag-digital-audio-out-to-3-5mm","tag-digital-audio-out-to-aux","tag-digital-audio-out-to-rca","tag-digital-audio-output-off","tag-digital-audio-over-cat","tag-digital-audio-over-cat-6","tag-digital-audio-over-cat5","tag-digital-audio-over-cat5e-cat6-cable-extender","tag-digital-audio-over-coax","tag-digital-audio-over-ethernet","tag-digital-audio-over-ip","tag-digital-audio-over-lan","tag-digital-audio-over-usb","tag-digital-audio-over-xlr","tag-digital-audio-player-without-dac","tag-digital-audio-plus","tag-digital-audio-preamp","tag-digital-audio-preamp-circuit","tag-digital-audio-process","tag-digital-audio-pros","tag-digital-audio-sample-rates","tag-digital-audio-setup","tag-digital-audio-standards","tag-digital-audio-through-pc","tag-digital-audio-til-analog","tag-digital-audio-to-3-5mm","tag-digital-audio-to-analog","tag-digital-audio-to-analog-converter","tag-di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is digital audio? - 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\/what-is-digital-audio-7\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is digital audio? - mp4gain.com\" \/>\n<meta property=\"og:description\" content=\"What is digital audio? How does digital audio work? What is the rate? Of course, I can’t directly explain to you that “rate is bitrate”. When you play sound files with some software, you should notice a small message. For example, “128Kbps”, “1411Kbps”… Some friends also know that under normal circumstances, the larger the number … Continue reading "What is digital audio?"\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mp4gain.com\/mp4gain\/what-is-digital-audio-7\/\" \/>\n<meta property=\"og:site_name\" content=\"mp4gain.com\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/mp4gain\" \/>\n<meta property=\"article:published_time\" content=\"2022-11-15T16:14:53+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/d2um2qdswy1tb0.cloudfront.net\/blog-assets\/Digital-and-Analog-Wave.jpg\" \/>\n<meta name=\"author\" content=\"R. 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Arias\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/secure.gravatar.com\/avatar\/8ca03263e87418cfde07c571c83fa172297ce230085e4f181b9e5f9af745d6be?s=96&d=blank&r=g\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/8ca03263e87418cfde07c571c83fa172297ce230085e4f181b9e5f9af745d6be?s=96&d=blank&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/8ca03263e87418cfde07c571c83fa172297ce230085e4f181b9e5f9af745d6be?s=96&d=blank&r=g\",\"caption\":\"R. Arias\"},\"description\":\"R. Arias is the author of this article and has extensive experience for more than 30 years as a recording engineer and audio specialist, as well as more than 20 years of experience creating algorithms related to audio and video. 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