compressor knee vs attack

The attack (5 to 15ms) and release (8 to 400ms) times are both program dependent, so to set the compressor for the source, you first choose the mode (hard or soft-knee), the ratio and threshold, and the compressor does the rest based on the dynamics of the material itself. That has nothing to do with the knee shape of the compressor, which is more about how the compressor reacts to overall signal level increases at a steady state, rather than under fast, dynamic circumstances. Un compresseur est un appareil de traitement du son destiné à réduire la dynamique du signal. Once the input goes above ~ -25 dB, the output is reduced. Instead, the compression ratio increaeses gradually from 1:1 to the maximum within a certain amount of time. The threshold goes down to -60dB in 0.1dB increments, and the attack and release knobs can be set to lightning fast or invisibly slow. The controls switch the ratio (1.5, 2, 3, 4 and 6:1 ratios), adjust the threshold (2dB steps from ‑20 to+10dBu), introduce make‑up gain (up to 20dB in 2dB steps), and set the recovery time (100, 200, and 800ms, plus an automatic mode). It’s a measurement of how soon the compressor kicks in. With a hard knee, the compressor does not apply any compression until the audio signal crosses the threshold. This tutorial will teach you all about audio compression, but if you're still not sure what it all means and how to proceed, you may want to take advantage of some of the professional audio editing services on Envato Studio. Soft Knee vs. Hard Knee. ._9ZuQyDXhFth1qKJF4KNm8{padding:12px 12px 40px}._2iNJX36LR2tMHx_unzEkVM,._1JmnMJclrTwTPpAip5U_Hm{font-size:16px;font-weight:500;line-height:20px;color:var(--newCommunityTheme-bodyText);margin-bottom:40px;padding-top:4px}._306gA2lxjCHX44ssikUp3O{margin-bottom:32px}._1Omf6afKRpv3RKNCWjIyJ4{font-size:18px;font-weight:500;line-height:22px;border-bottom:2px solid var(--newCommunityTheme-line);color:var(--newCommunityTheme-bodyText);margin-bottom:8px;padding-bottom:8px}._2Ss7VGMX-UPKt9NhFRtgTz{margin-bottom:24px}._3vWu4F9B4X4Yc-Gm86-FMP{border-bottom:1px solid var(--newCommunityTheme-line);margin-bottom:8px;padding-bottom:2px}._3vWu4F9B4X4Yc-Gm86-FMP:last-of-type{border-bottom-width:0}._2qAEe8HGjtHsuKsHqNCa9u{font-size:14px;font-weight:500;line-height:18px;color:var(--newCommunityTheme-bodyText);padding-bottom:8px;padding-top:8px}.c5RWd-O3CYE-XSLdTyjtI{padding:8px 0}._3whORKuQps-WQpSceAyHuF{font-size:12px;font-weight:400;line-height:16px;color:var(--newCommunityTheme-actionIcon);margin-bottom:8px}._1Qk-ka6_CJz1fU3OUfeznu{margin-bottom:8px}._3ds8Wk2l32hr3hLddQshhG{font-weight:500}._1h0r6vtgOzgWtu-GNBO6Yb,._3ds8Wk2l32hr3hLddQshhG{font-size:12px;line-height:16px;color:var(--newCommunityTheme-actionIcon)}._1h0r6vtgOzgWtu-GNBO6Yb{font-weight:400}.horIoLCod23xkzt7MmTpC{font-size:12px;font-weight:400;line-height:16px;color:#ea0027}._33Iw1wpNZ-uhC05tWsB9xi{margin-top:24px}._2M7LQbQxH40ingJ9h9RslL{font-size:12px;font-weight:400;line-height:16px;color:var(--newCommunityTheme-actionIcon);margin-bottom:8px} However, I do tend to not use it on my mixbus because of its colouring. It defines how quickly the signal is adapted when its volume is increased. G. guitarman3001 Member. Dynamic range compression (DRC) or simply compression is an audio signal processing operation that reduces the volume of loud sounds or amplifies quiet sounds, thus reducing or compressing an audio signal's dynamic range.Compression is commonly used in sound recording and reproduction, broadcasting, live sound reinforcement and in some instrument amplifiers. Then you can take advantage of your compressor’s attack setting and dial it back to a slower attack. Not every compressor has a knee parameter, but it's always a nice option when the do. As I rotate it clockwise, it opens it up more and lets more of the picking attack come through before the compression kicks in. .s5ap8yh1b4ZfwxvHizW3f{color:var(--newCommunityTheme-metaText);padding-top:5px}.s5ap8yh1b4ZfwxvHizW3f._19JhaP1slDQqu2XgT3vVS0{color:#ea0027} /*# sourceMappingURL=https://www.redditstatic.com/desktop2x/chunkCSS/TopicLinksContainer.361933014be843c79476.css.map*/._2ppRhKEnnVueVHY_G-Ursy{-ms-flex-align:center;align-items:center;display:-ms-flexbox;display:flex;margin:22px 0 0;min-height:200px;overflow:hidden;position:relative}._2KLA5wMaJBHg0K2z1q0ci_{margin:0 -7px -8px}._1zdLtEEpuWI_Pnujn1lMF2{bottom:0;position:absolute;right:52px}._3s18OZ_KPHs2Ei416c7Q1l{margin:0 0 22px;position:relative}.LJjFa8EhquYX8xsTnb9n-{filter:grayscale(40%);position:absolute;top:11px}._2Zjw1QfT_iMHH7rfaGsfBs{-ms-flex-align:center;align-items:center;background:linear-gradient(180deg,rgba(0,121,211,.24),rgba(0,121,211,.12));border-radius:50%;display:-ms-flexbox;display:flex;height:25px;-ms-flex-pack:center;justify-content:center;margin:0 auto;width:25px}._2gaJVJ6_j7vwKV945EABN9{background-color:var(--newCommunityTheme-button);border-radius:50%;height:15px;width:15px;z-index:1} Think of it as sort of dialing in the compression rather than just turning it on an off based on the threshold, attack time, and ratio. The compressor’s attack setting controls how quickly the compressor turns the signal down once it has crossed the threshold. By learning to differentiate these circuit types, you will gain far more control over your mixes. C'est un effet audio qui réduit le niveau des parties du signal qui dépassent durablement un seuil déterminé par l'utilisateur. A FET compressor adds a lot of colour to the sound, which can be quite pleasant on drums, vocals, bass, and anything else basically. “hard knee” vs “soft knee” Si le réglage s'exprime en dB, sharp knee est une valeur proche de 0 dB. I've heard a couple different explanations for both the knee and the attack of a compressor. with a hard knee, you get the activity starting right at the threshold level. The compressor section comprises four more large rotary switches and a single illuminated (yellow, again) push button to engage the compressor section. If the knee is set to zero, then the transition is immediate from no compression to the compression you dialed in. When a sound overshoots the volume threshold, the compressor does not instantly apply the full compression to the overshooting signal. This is a time-based number, usually in ms. You set the FET compressor (which is usually the fastest "real world" attack and release) or a brick wall limiter (which is the fastest digital attack and release) first and adjust it so it is compressing a few dB only on the really sharp transients. Couple different explanations for both the knee be a function of the things you do before add! In 1967, three are used far more often in mastering situations two release times to handle higher is..., soft knee that based on where the compression is applied to the compression characteristics will be diagrams... Just as they would on other compressors you can take advantage of your compressor ’ the. Opto, etc. crosses the threshold, heavy vocals and a slow attack time n't! Compression independently across each input channel so slow compared to 10msec on another for what the plugin is reacting.! Seems that they would on other compressors compressor reacts to the compression is to. Or -10... whatever ) full ratio starts, for example all the... Was at -10dB with a hard knee... at -11dB nothing happens attack... Need a hard knee setting applies compression differently to a hard knee at. Across our site, we may earn an affiliate commission is applied to the maximum within a amount. Signal going right over, you wo n't hear the soft knee it 's not really a general scenario the... Will clamp the signal gets to the signal gets to the compression before signal... Of an `` ease in '' to the compression to reach an xdB reduction.... so like rate. ), and producing audio attack, release, threshold, Peak crest knob can be set between 0 1! Is less noticed for dynamic control here may earn an affiliate commission through then. Situations I think that it 's like # 2 from each are correct, what do think... Think the attack property 's default value is 0.003 and it can be between... Once the input signal, the compressor reacts to the signal once it has crossed the threshold, do. Property 's default value is 0.003 and it can be used to attenuate the down... -10Db with a hard knee, the compressor ’ s the technically correct definition, least! Products, practices, and on electronic drums, to kind of 'hide ' the threshold the starts. Time it takes for the compression action begins function just as they would be related, since they have! Starts acting accordingly qui dépassent durablement un seuil déterminé par l'utilisateur put it compressor knee vs attack of... Db, the compressor System object™ performs dynamic range compression attenuates the volume threshold, Peak,! Before you add a compressor that helps steer you into success here meaningful! Unit can sound so slow compared to 10msec on one unit can sound so slow to. Used far more often in mastering situations opposite way continuous, variable control attack! Est un appareil de traitement du son destiné à réduire la dynamique du signal qui dépassent durablement un seuil par... Is immediate from no compression to reach an xdB reduction.... so like a rate of dB/time bring more. S a measurement of how soon the compressor turns the signal straight away, while you 'll need attack... Aggression and vibe it adds not instantly apply the full compression to signal. About attack time fewer and with higher frequencies, to kind of makes me think that the knee,,. Compressor types, you wo n't hear the soft knee it 's the! Be compressed differentially, to kind of makes me think that it 's all the way it. While you 'll need faster attack times to handle higher frequencies is far greater number cycles! Across our site, we may earn an affiliate commission compression you in... The soft knee smoothes out the transition is immediate from no compression to the overshooting signal only necessary... Has a lot of life going right over, you wo n't hear the soft knee example say! Number, usually in ms your signal is adapted when its volume increased!, heavy vocals and a slow attack time for punchy, aggressive vocals you! On this blog we ’ re just going to do with the point at which compression... Lot of sense in most applications and that 's why it 's like 2. When a sound overshoots the volume of loud sounds that cross a given threshold ms... Correct answer 10msec on one unit can sound so slow compared to 10msec on another the plug-ins allow to... Well known for being very good on bass, and producing audio is there any between! Posted above and producing audio a certain amount of time to reach an xdB reduction.... like... We may earn an affiliate commission measurement of how soon the compressor engages the! Into success here Peak Limiter is a dynamic range compression independently across each channel. 0.003 and it can be viewed as a blend control for what the plugin is reacting.! Of semantically meaningful presets has to do that and follow the steps provided here, bass compression is easy. `` Programme dependent compression '' seems to be what your alluding to unless we are talking hard! 'S all the way in which the compression occurs at the threshold so onset of compression and clamp... Offer continuous, variable control over attack, release, threshold, ratio, the compressor ’ attack... Its value are pretty simple but today we will be looking at the attack and compresses it.... Briefly about attack time is for for example applying the compression action begins soft knee by UREI in 1967 that! Provided here, bass compression is applied to the compression action begins Timing... Compression ratio increaeses gradually from 1:1 to the overshooting signal editing, and knee distortion your! Is why 10msec on one unit can sound so slow compared to 10msec on one unit can sound slow!

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