{"id":469,"date":"2019-09-13T18:35:43","date_gmt":"2019-09-13T18:35:43","guid":{"rendered":"http:\/\/mp4gain.com\/mp4gain\/?p=469"},"modified":"2019-09-13T18:35:43","modified_gmt":"2019-09-13T18:35:43","slug":"decibels-understanding-decibels-part-2","status":"publish","type":"post","link":"https:\/\/mp4gain.com\/mp4gain\/decibels-understanding-decibels-part-2\/","title":{"rendered":"Decibels: Understanding Decibels part 2"},"content":{"rendered":"

As you know the level of a digital audio signal should not exceed 0 db, in case it does distortions will occur. Normally the signal has an average level of -x db; but it is its highest peaks that should not exceed 0 dbs. That is, you can have a signal with an average level of -5 dbs but with a level of peaks of -2db, which prevents those peaks from raising the signal by more than 2 db.<\/p>\n

\"decibels\"<\/a><\/p>\n

Normalize is to increase the volume of a shot until the highest point of it is 0 dB.
\nIt is assumed that when recording, for example, a voice shot, you have regulated the gain so that it does not saturate (0 dB pass). Most likely, that shot has not reached its maximum volume. When you normalize you climb to the maximum just before the highest peak saturates.
\nIt is the same as raising the fader of the corresponding track until you reach 0 dB, but the normalize option calculates it automatically.
\nNecessary? Well, I guess not always. But it doesn’t hurt to know if you’ve reached the highest possible volume of a track.<\/p>\n

\"\"<\/a><\/p>\n

There are cases in which it is very useful. Imagine that when you make a song you record a guitar shot and then start applying equalizers, compressors, etc. But you decide to make more shots, to see if they come out better (almost always this way). If each recording has different volumes, you must adjust everything for each shot (for example the compressor threshold). But if you have normalized after each recording, just replace one audio jack with another, since its volume is the same. In some posts you can read things like: “test set the threshold to -20 dB”. The one who gives that advice assumes that the track is normalized, because if it actually sounds much lower, what that compressor does will have nothing to do. In addition, some functions, such as noise reducers, are optimized for standard shots.
\nIf you get used to normalize the newly recorded tracks, the values \u200b\u200bthat you will use in all types of plugins (or hardware tackle) will be similar. You can create your presets and apply them quickly.
\nIt is assumed that normalizing does not change the quality of the recording.
\nSome people think that the background noise is also increased, but that is normal given that the volume is rising. The important thing is that everything goes up in the same proportion. Maybe you would have to do tests to check<\/p>\n

What is a decibel?<\/p>\n

A decibel (dB) is a unit of measure that is used to express, in a logarithmic way, the relationship between two values. In the world of acoustics it is about the relationship between two levels of sound pressure.<\/p>\n

Decibel is composed of two words:<\/p>\n

deci: that means one tenth.
\nbel: which is a unit named after Alexander Graham Bell, the inventor of the telephone.
\nThe bel is a unit of sound and a decibel (dB) is one tenth of a bel.
\nSo, in acoustics, a decibel is a unit used to measure the sound pressure level (SPL) based on a reference level.<\/p>\n

The human ear is sensitive to a wide range of sound levels ranging from 0 dB, which means total silence for the human ear, up to 130 dB, which causes pain.<\/p>\n

To get an idea:<\/p>\n

-Smooth human breathing, which is heard only when we are very close, reaches about 10 dB.
\n-A normal conversation can be around 60 dB.
\n-A vacuum reaches up to 80 dB.
\n-An ambulance siren is around 120 dB when we are close to it.
\n-A volume of 140 dB can cause damage to the ear, if it is supported for a period of time.
\n-Exposure to 150 dB can burst the eardrums. And the sound above this level can be very harmful and even lethal.<\/p>\n","protected":false},"excerpt":{"rendered":"

As you know the level of a digital audio signal should not exceed 0 db, in case it does distortions will occur. Normally the signal has an average level of -x db; but it is its highest peaks that should not exceed 0 dbs. That is, you can have a signal with an average level … Continue reading “Decibels: Understanding Decibels part 2”<\/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":[481,219],"tags":[10164,10070,10054,10053,10055,10100,10110,10165,10167,10188,10072,10073,10066,10065,10162,10075,10076,10077,10079,10078,10080,10081,10091,10093,10094,10086,10087,10090,10088,10089,10092,10099,10098,10111,10118,10116,10113,10120,10115,10117,10114,10112,10119,10122,10121,10123,10187,10071,9931,10133,9927,10132,10131,9929,10129,10128,10130,10134,10135,10138,10136,10137,9974,10146,10152,10148,10147,10145,10149,10150,9968,10151,10153,10154,10158,10160,10161,10159,10085,10095,10096,10101,10155,10156,10068,10064,10175,10170,10069,10067,10176,10181,10183,10185,10177,10184,10178,10179,10182,10180,10186,10191,10192,10197,10196,10193,10195,10198,10194,10074,10127,10189,10174,10083,10169,10166,10082,10060,10106,10102,10056,10144,10139,10141,10143,10142,10140,10157,10097,10084,10057,10168,10190,10172,10171,10173,10126,10061,10059,10104,10103,10109,10105,10107,10108,10058,10163,10063,10062,10124,10125],"class_list":["post-469","post","type-post","status-publish","format-standard","hentry","category-mp3-normalizer-2","category-mp4-gain-2","tag-1-decibel-into-hertz","tag-42-decibel-after-the-show","tag-about-decibel-band","tag-about-decibel-scale","tag-all-about-decibel","tag-between-decibel-and-bel","tag-but-decibel","tag-convert-decibel-into-watt","tag-convert-neper-and-decibel","tag-cutoff-frequency-decibel","tag-decibel-11-time-after-time","tag-decibel-after","tag-decibel-after-effects","tag-decibel-after-party","tag-decibel-and-neper","tag-decibel-around","tag-decibel-as-a-function-of-distance","tag-decibel-as-a-measure-of-gain-and-noise","tag-decibel-as-a-ratio","tag-decibel-as-a-unit","tag-decibel-as-a-unit-of-measurement","tag-decibel-as-amplitude","tag-decibel-at-a-rock-concert","tag-decibel-at-airport","tag-decibel-at-concert","tag-decibel-at-distance","tag-decibel-at-distance-calculator","tag-decibel-at-night","tag-decibel-at-union","tag-decibel-at-which-it-is-too-loud","tag-decibel-at-work","tag-decibel-below-carrier","tag-decibel-below-zero","tag-decibel-by-adam-wilber","tag-decibel-by-adam-wilber-explained","tag-decibel-by-adam-wilber-free-download","tag-decibel-by-adam-wilber-revealed","tag-decibel-by-adam-wilber-review","tag-decibel-by-adam-wilber-tutorial","tag-decibel-by-adam-wilber-unboxing","tag-decibel-by-azzaro","tag-decibel-by-caliber","tag-decibel-by-ellusionist","tag-decibel-come-funzionano","tag-decibel-come-si-misurano","tag-decibel-come-si-scrive","tag-decibel-drop-off-with-distance","tag-decibel-eleven-time-after-time","tag-decibel-for-baby","tag-decibel-for-baby-white-noise","tag-decibel-for-dishwasher","tag-decibel-for-dummies","tag-decibel-for-ear-damage","tag-decibel-for-hearing-damage","tag-decibel-for-hearing-protection","tag-decibel-for-quiet-dishwasher","tag-decibel-for-sleep","tag-decibel-for-sound-machine","tag-decibel-from-amplitude","tag-decibel-from-audio","tag-decibel-from-intensity","tag-decibel-from-sound","tag-decibel-in-a-sentence","tag-decibel-in-audio","tag-decibel-in-chinese","tag-decibel-in-dishwasher","tag-decibel-in-electronics","tag-decibel-in-english","tag-decibel-in-hindi","tag-decibel-in-sound","tag-decibel-in-spanish","tag-decibel-in-tagalog","tag-decibel-inside-airplane","tag-decibel-inside-car","tag-decibel-into-hertz","tag-decibel-into-joules","tag-decibel-into-sound-intensity","tag-decibel-into-watts","tag-decibel-is-expressed-as","tag-decibel-level-at-arrowhead-stadium","tag-decibel-level-before-hearing-damage","tag-decibel-level-between","tag-decibel-level-inside-airplane","tag-decibel-level-inside-car","tag-decibel-limit-after-11pm","tag-decibel-meter-above-130","tag-decibel-meter-near-me","tag-decibel-minus","tag-decibel-named-after","tag-decibel-named-after-which-scientist","tag-decibel-of-a-gunshot","tag-decibel-of-a-whisper","tag-decibel-of-dishwasher","tag-decibel-of-fire-alarm","tag-decibel-of-fireworks","tag-decibel-of-human-voice","tag-decibel-of-lawn-mower","tag-decibel-of-sound","tag-decibel-of-thunder","tag-decibel-of-train-horn","tag-decibel-off-shoulder-check-blouse","tag-decibel-on-12th","tag-decibel-on-a-dishwasher","tag-decibel-on-audacity","tag-decibel-on-guns","tag-decibel-on-iphone","tag-decibel-on-line","tag-decibel-on-sound","tag-decibel-on-tour","tag-decibel-open-air-after","tag-decibel-open-air-come-arrivare","tag-decibel-plane-taking-off","tag-decibel-plus-minus","tag-decibel-scale-twice-as-loud","tag-decibel-sounds-like","tag-decibel-translate-into-urdu","tag-decibel-twice-as-loud","tag-details-about-decibel","tag-difference-between-decibel-and-frequency","tag-difference-between-decibel-and-hertz","tag-facts-about-decibel","tag-from-decibel-to-bel","tag-from-decibel-to-decimal","tag-from-decibel-to-gain","tag-from-decibel-to-neper","tag-from-decibel-to-ratio","tag-from-decibel-to-watt","tag-helicopter-inside-deci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That is, you can have a signal with an average level of -5 dbs but with a level of peaks of -2db, which prevents those peaks from raising the signal by more than 2 db.","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\/decibels-understanding-decibels-part-2\/","og_locale":"en_US","og_type":"article","og_title":"Decibels: Understanding Decibels part 2 - mp4gain.com","og_description":"As you know the level of a digital audio signal should not exceed 0 db, in case it does distortions will occur. Normally the signal has an average level of -x db; but it is its highest peaks that should not exceed 0 dbs. 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