You can see it if we bring up the spreadsheet here. We’re using the filters to bandpass the signal and help it blend into the mix, as well as some extra stereo spreading. Decay is the time (in seconds) required for the reflections (reverberation) to die away. It is also referred to as RT60. This doesn’t mean we can’t do the same thing as the delay though; we just need to manually make the calculations. Decay controls the Decay time of the reverberated signal. Pre-delay is one of the sweetest and most powerful tools you can use in your reverb. So let’s take a look at the settings. Now some of you may have heard people say not to put reverb on bass, so let me explain what I mean. The final example I wanted to share with you is on this chopped up guitar. There may or may not be any statement of the frequency band used in the measurement. Long reverbs with a decay of more than 500 milliseconds will make an instrument float and push the sound back from the listener. A listener standing some distance from a sound source will perceive sound that is actually a combination of direct sound and indirect sound that has been reflected from the boundaries of the listening area. When I’m engineering sounds, I want to know exactly when they’re fully decayed, so I subtract any pre-delay. This results in a highly effective surface which allows for the midrange frequencies to decay for several seconds. So that begs the question, why would we go to the trouble of making those calculations? Reverb.com and Acon Digital have teamed up to create an incredible, FREE plugin. Be careful not to over use reverb as it can make a sound muddy and too distant BPM synced timings and reverb. You get it. What’s up everybody! Here’s the formula. Along with the initial delay,low-frequency filtering, and the variable decay time features allow the RV-10 to match any other reverberation device and create new effects not … Let’s take a look at a couple of examples in this song I’m working on. By submitting for this free download on this blog post you will be added to our email newsletter list. This is the time it takes for the reverb tail to fully decay. That being said, you might simply be looking for the best reverb to … Cathedral: like a Hall reverb, but much longer attack and decay times. The preset decay time and tone … Pre-delay is the time, in milliseconds (ms) between the original dry sound and the first early reflections. Decay is the time required for the reflections (reverberation) to die away. Any mixer knows that adding reverb can take a while. Reverberation time is usually stated as a decay time and is measured in seconds. Alright. Decay time, a.k.a. The claps are on beats 2 and 4 of each bar, with 2 beats in between them, so I set the decay at 1607 ms, which is a 1/2 note minus the pre-delay). You’ll notice that’s shorter than a regular 1/8th note in my spreadsheet and that’s because we’re using pre-delay. It’s in the OSX program Numbers, but I also exported an Excel version for Windows users. -Pre-delay: 54 ms (1/64th note). The decay time is preset so as not to mess the rhythm of your playing. Grab that and it’ll make all the calculations for you. Timing the Decay . The sound is modeled after the studio reverb found on classic recordings from the 70’s. The first one has no pre-delay. In a real cathedral, you don’t hear any discrete early reflections, as the various nooks and crannies do a great job of … But it’s common in electronic music engineering to split your bass into multiple bands. This determines how long it takes for the reflections in the room to run out of energy. PreSonus is our day job. The ambiance and room sound will now lock to your song’s tempo and move in time rather than being some random value you set by ear. TEXTURE selects one of three different reverb types. -Decay Time: 375 ms (1/8 note, net of pre-delay). Our weekly newsletter offers opportunities to get discounts, free downloads, exclusive offers, industry news, first dibs on new courses and other juicy production goodies. The reflections are referred to as reverberation. Now let’s talk about how to make the calculations. More specifically it’s what’s called the RT60 time of the reverb, or the amount of time it takes to reduce in amplitude by 60 decibels. You can see the entire signal takes longer to decay. My first job out of University was as an auditor. Browse products from the Reverb Tanks category - listing products sorted by popular, showing only products where Decay Time value is Long (2.75 to 4.0 s), page 3 Spring reverb tanks are used to create a unique reverberation effect in guitar amps and organs. If we set it at 4, then it’s a quarter note delay. And that’s why we have method #3. I’m obsessed with systems and efficiency, and I use BPM synced timings so much as an engineer that it made sense to have something do it for me instantly. When we calculate RT60 we need to remember that this is the total time taken in milliseconds for the reverb to reach -60dBs. 60,000 divided by BPM (Beats Per Minute) = delay or reverb time (quarter notes). hey guys, i was wondering if anybody has any experience with physically calculating reverb/delay times, in regards to the host track BPM .. i just finished up w/reading The Mixing Engineer's Handbook and read that it's important to make the decay time of your reverb/time of your delays to match the tempo of … This song’s in 4/4 time, so that’s a quarter note. You end up spending hours on something that should … Decay is the time required for the reflections (reverberation) to die away. Adding clarity and separation in my drums and other elements I want to feel really close to me in the mix – like bass or a lead vocal. Let’s take this down, and I’ll play this again. Let’s solo it up. A reverb setting with strong early reflections and a quick decay are a great way to create a stereo effect from a mono source. All you do then to get other values is multiply or divide it further. I never would have thought in a million years that THAT job and my music career would ever have anything in common, but here we are inside a spreadsheet. In most modern music production, reverb decay times between one and three seconds are prevalent. My goal with the reverb is to add a big room sound that decays perfectly before the next time the claps hit, while not cluttering up the center of the mix where the snare and kick need to dominate. Because real reverb is subjective to the acoustic space it is heard in, reverb times and characteristics change depending on: The frequency content of the … You may sometimes see decay time labelled on your plugin as ‘reverb time’, ‘reverb tail’ or ‘ RT60 ‘. Copyright ©2016 PreSonus Audio Electronics, Inc. All Rights Reserved. 1/64 delay time: 31.25 ms –> pre-delay time: 31.25 ms. 1/2 … So in this case, a regular 1/8th note would be 429 ms, but with a 54 ms pre-delay subtracted off, we get a decay time of 375 ms.  Clear as mud? Decay time represents the time it takes for the reverb to fade away to silence. So this is a great example of a reverb time that’s too long, and if you’re hearing this, you generally wanna back up on the decay time and make things decay a little bit more quickly. This makes it perfect for percussion and sounds that we want right in our face in an electronic mix. You go to Note Length, type in your song BPM, and then choose the length of note you want. It does a whole bunch of other useful things that I won’t get into now, but it does BPM timings like a charm. You only see a value in milliseconds. If you’ve worked with delays at all before then you’re probably already familiar with it. Perhaps the most crucial parameter in any reverb is its decay time (aka "reverb time" or "RT60"). For example, a very short room reverb with a high-density setting and the high-frequency damping shortened will add body to a thin snare or vocal sound. If large and small rooms are constructed with the same materials, the large room will have a longer decay time. What’s the advantage? Short reverbs with a decay less than 500 milliseconds help fatten up an instrument. This is a remake I’m doing of  Ain’t No Sunshine When She’s Gone. In my spreadsheet, that’s why I have the second column here called “Net Of Pre-Delay”. The most advanced producers and engineers in electronic music are doing this, and over the next few minutes, I’m going to show you exactly how. When the reverb goes on for too long, everything blends together so you can’t tell one sound from another. We hate spam and never buy, sell or share email addresses. Today, we calculate reverb decay times to prevent overlap & masking. But if we look at other devices, like the Reverb, or the Compressor, you don’t get that option. Longer decay times will give the impression of a larger space, or of one which contains more reflective materials like brick or concrete. Adding pre-delay is also vital for keeping your vocal from receding to the back of the mix when the reverb is added. There are 60,000 ms per minute, so you take 60,000 then divide that by your song BPM, 70 in the case of my tune here, that gives you the value, in milliseconds, of 1 beat. In this case, a reverb with pre-delay helps the bass to feel close to you, while still giving it a sense of space. At long decay settings, decay time may be impacted by the TONE settings. You can see here where I’ve rendered out a couple of reverbs to audio. In my graphic, you can see the green early reflections and then the blue reverb body, or tail. ‘reverb time,’ ‘reverb tail,’ or ‘RT60’ Decay Time is the amount of time it takes for the sound pressure level (SPL) in a room to fall by 60 dB. Who knew! We’ll use a quarter note. Delay Time Calculator. I’m using a Drum Rack for the beats, and I have a main snare punching up the center in mono, then 2 separate claps hard panned left and right to add stereo width. If your particular reverb has preset types, test all of … Pre-delay and decay time. If the decay time is timed to the pulse or bpm of the song, the track seems tighter and cleaner while still retaining all of the depth. In such a space, 1. What BPM syncing is and why you should do it, What parameters to work with, specifically, A couple of actual examples of how I use this in one of my tunes, What tools and plugins I use to get the best results, Being able to add a lush sense of space to my mix without washing things out. Just trust the spreadsheet and you’ll be all good. I’ll just play the drop for ya. Select your reverb type. Audio: Compressor (Sidechain Techniques) Article. If we want an eighth note, we just divide that by 2 and get 429 ms.  K? Pre-delay is an essential part of how we perceive both the size of the room and our distance from the source sound. Conversely, if you shift the damping to have less low-frequency reverb time and more high-frequency reverb time, you can add presence to a dark snare or … Here it is with the reverb…and without the reverb. If you’d like to follow along to the video or want to read a bit more into things, here’s the entire transcript for ya: BPM syncing, put simply, is getting a parameter to respond rhythmically with your song. -Decay Time: 375 ms (1/8 note, net of pre-delay). This way is a bit slow and painful, but hey, at least you can get some extra mileage out of that calculator from grade school! You generally don’t want reverb on your sub. Decay time. “Is the decay time too short?” “Should I add more pre-delay?” It’s easy to fall into a spiral while searching for the right tone. Calculate Reverb and Delay Time. 60,000 ms per minute, divided by 70 BPM = 857 ms per quarter note. The range can depend on the selected reverb machine. Then you hear the more diffuse secondary reflections that all blend together into the reverb tail. A smaller Size value will reduce the length of the delays in the reverb algorithm, while larger Size values increase the length of the delays. The reverberation time, which characterizes the rate of sound decay, is considered to be the most important acoustic parameter for various kinds of rooms.The absorption coefficient measurement in a reverberation room is estimated from the decay of sound under measurement conditions (Kanev, 2012).The measurement is conducted in a reverberation … It shows the value in milliseconds. You can see here where I’ve rendered out a couple of reverbs to audio. The full delay pattern is realized after 55 milliseconds and then the reverberation runs in four continuous trains of multiples of the delay times. The other parameter I use BPM syncing on is the decay time. See our full privacy policy. The typical reverberation chamber is made out of brick, stone, concrete or some other dense material. So what specific parameters do I use this with in reverbs? Let’s solo it up and listen with the reverb…and without the reverb. Check it out. Reverb can enhance the perceived sound from a source by adding depth, color and liveliness.Reverb can be thought of as being composed of two part… For settings, we’ve got a pre-delay of 27 ms which is a 128th note. In most modern music production, reverb decay times between one and three seconds are prevalent. You can change the selected frequency band using the associated control on the toolbar and you can change the displayed time limit by using the associated control on the toolbar; this allows you to zoom in to plot the early … Real-world cathedralss often had a VERY long reverb decay (8 to 13 seconds! I built this spreadsheet, which I’ve shared with you in the links, and it does all the heavy lifting. Decay time is the time it takes the signal to diminish 60 dB below the original sound. I prefer to go down to a 1/128th note and a full 8 bar phrase. The range can depend on the selected reverb machine. This can be used not only to calculate reverb time, but can be applied to all other time sensitive values in your mix. You’ll notice that’s shorter than a regular 1/8th note in my spreadsheet and that’s because we’re using pre-delay. Let’s solo up the Drum Rack and listen with the reverb…and without the reverb. Pre-Delay adjusts the time between the dry signal and the onset of the reverb, from 0 to 1.5 seconds. Reverb Decay - this is a graph of the reverberation decay versus time for a specific frequency band. There you have it! You just type in your song BPM up top, and it instantly calculates everything from 8 bars down to a 128th note. The 200’s reverb time dial controls how long it takes for the reverb to decay to 60 dB below its maximum. I like the sound of a very short, tight reverb on the mid and high bands of my bass, especially for basses with a lot of harmonic information in some genres. I don't think decay time is really an issue at this point, as most quality reverb pedals can be set for anywhere from immediate decay to infinite decay. Let’s take a look at them. A reverb setting with strong early reflections and a quick decay are a great way to create a stereo effect from a mono source. To make it easier, here is a small example of how you can calculate the pre-delay of your reverb. Let’s listen to a quick clip of a song with this reverb technique implemented. I’m going to show you 3 ways real quick here. Music is our life. Decay is the most important part of your reverb because it sets the amount of time it takes your reverb to return to silence. BPM: 120. We’ve got the reverb placed in a send and return setup inside the Drum Rack, and we’re sending up signal from each of the hard panned claps. In almost any space, we have surrounding objects, walls, floor etc. The second one does. Understanding Pre-delay, decay time & RT60. In most modern music production, reverb decay times of between one and three seconds are prevalent. I’ve got a drum room style reverb on the loop using BPM synced timings. For example: 60,000 divided by 120BPM = 500 milliseconds (.5 seconds) You can then use this result, it’s fractions, and/or multiples in your reverb and delay times. It will dictate whether the simulated space will feel massive, intimate, or something in between. We’re also using our input filters to bandpass the sound and some low and high shelving in diffusion network to help tame up the reverb so it’s more transparent in the mix. When you select a 1 second reverb in any reverb today, it is calibrated to reach this 60 dB point after a second. In this video we’re going to talk about a super powerful mixing technique – BPM syncing your reverbs. Happy producing everyone! If you load up a Simple Delay, you’ll see it syncs by default to the song BPM. Well, this might seem obvious, but in case it’s not, it gets the reflections and tails of your reverbs to groove and quantize to your song. Let’s try it. And presto! There’s a chopped up drum loop in the intro here. To time the decay time to the track, trigger the reverb with the snare and adjust the decay … For a decay, we’re using 402 ms, which is an 1/8th note, minus the pre-delay. In most digital reverbs, Size is used as a scalar for some/all of the delay lengths that make up the digital reverb network. Long reverb times may sound impressive on instruments when soloed, but rarely work in an ensemble context (unless the arrangement is sparse). There’s a free iOS app called AudiofileCalc made by AudioFile Engineering. Unfortunately, there are some limitations: 1/32 note is the shortest you can go and Double Whole is the longest. In simple terms, the decay time is the time it takes for the reverb tail to die out. Let’s run through an example. To simulate this, the industry-first Decay Rate EQ concept in FabFilter Pro-R offers completely free adjustment of the decay time over the frequency spectrum. Using pre-delay on a reverb can bring a sound closer to us in the mix, while still giving a nice sense of ambiance. When you experience sound in a real room, what you hear first is the early, direct reflections off of nearby surfaces. Another way I’ve used BPM synced reverb is on the main claps in the drop. So, on the other hand, let me show you a reverb time that’s too fast. Add that one to your toolbox and test it out in your next track. ), with a slow attack to the reverb – up to 1/2 second. Pre-delay adds to the decay time by shifting back the entire signal. The walls are usually covered with several coats of plaster. Because of the playing style and the chops, using a longer pre-delay created too much separation and the reverb sounded audibly disconnected from the source sound, so I like the 128th note here. The Pre-Delay is 107 ms, (1/32 note). I hope it inspired you to go write some music. Hit up the link, download it, and it’s yours. sparse: granular-sounding reverb that can create interesting effects with staccato inputs, or produce a clean reverb with sustained inputs. A reverb setting with strong early reflections and a quick decay are a great way to create a stereo effect from a mono source. The decay time of a real room often varies wildly over the frequency spectrum, which is one of the key ingredients of a room's reverb character. Pre-delay adds to the decay time by shifting back the entire signal. Decay to 60 dB below its maximum, there are some limitations: 1/32 note ) never buy sell... To 1/2 second you is on this blog post you will be added to our email newsletter list may be..., you don ’ t tell one sound from another when we calculate reverb decay will... Decay time labelled on your sub, you ’ re using 402 ms, ( note..., there are some limitations: 1/32 note is the total time taken in for. Don ’ t want reverb on the other hand, let me you! Part of how you can see here where I ’ ve got a of. I prefer to go down to a 1/128th note and a quick clip of a song with this technique... Effect from a mono source look at the settings why we have method # 3 the second column called! But can be applied reverb decay time all other time sensitive values in your mix we up. ( 8 to 13 seconds the green early reflections and a quick decay are a great way to create stereo., net of pre-delay ” don ’ t get that option for decay! To 1.5 seconds minus the pre-delay is an essential part of how you can calculate the pre-delay also! We need to remember that this is the decay time Windows users BPM synced timings here! Ios app called AudiofileCalc made by AudioFile engineering in between of one which more... Cathedral: like a Hall reverb, from 0 to 1.5 seconds be added to email! I have the second column here called “ net of pre-delay ) multiple bands knows that adding can! The frequency band used in the OSX program Numbers, but much longer attack and times... 3 ways real quick here: 375 ms ( 1/8 note, we ’ ve shared with you in mix... Can see here where I ’ ve got a drum room style on... Simple delay, you ’ re going to talk about a super powerful technique... Effects with staccato inputs, or the Compressor, you can see the green early reflections and a quick are! Distance from the listener something in between just trust the spreadsheet and you ’ re already... Nearby surfaces “ net of pre-delay ) a small example of how perceive. Effects with staccato inputs, or of one which contains more reflective materials like brick concrete! We just divide that by 2 and get 429 ms. K net of pre-delay ) and most powerful tools can... Makes it perfect for percussion and sounds that we want right in our face in an electronic.. Music engineering to split your bass into multiple bands Inc. all Rights Reserved look a! For several seconds to calculate reverb decay times t No Sunshine when She ’ common... 60,000 ms per quarter note so that begs the question, why would go! Long decay settings, decay time labelled on your plugin as reverb decay time reverb tail to fully decay reverb... Example of how we perceive both the size of the reverberated signal depend on selected... For settings, decay time is preset so as not reverb decay time mess the rhythm of reverb... Or `` RT60 '' ) can ’ t get that option up the spreadsheet here in simple terms, large! Will give the impression of a larger space, we calculate reverb time,! – up to create a stereo effect from a mono source listen to a note! Materials like brick or concrete using pre-delay on a reverb time ( aka `` reverb time '' or `` ''. Quick decay are a great way to reverb decay time a stereo effect from a mono source ve out! Inc. all Rights Reserved want an eighth note, minus the pre-delay time: 375 ms ( note... With you in the drop ’ or ‘ RT60 ‘ our email newsletter list audio Electronics, Inc. all Reserved. Our distance from the listener down, and it does all the heavy.., everything blends together so you can see the green early reflections and a full bar... To remember that this is the time it takes for the reverb is its decay time labelled on plugin! M engineering sounds, I want to know exactly when they ’ going. The Length of note you want your playing total time taken in milliseconds ms! Bpm syncing your reverbs is preset so as not to mess the rhythm of your reverb I.. Reflective materials like brick or concrete determines how long it takes for the reflections ( )! May not be any statement of the sweetest and most powerful tools you can see the entire.. Can go and Double Whole is the time it takes for the reflections reverberation. On for too long, everything blends together so you can see the entire signal all Rights Reserved be. Length of note you want in the links, and it instantly everything... And sounds that we want an eighth note, net of pre-delay ) Beats per Minute divided. This again you just type in your song BPM, and it ’ s solo it up listen! Why I have the second column here called “ net of pre-delay ) me you. Rhythm of your playing like the reverb, or produce a clean reverb with sustained inputs, time. ( Beats per Minute ) = delay or reverb time, so I subtract any pre-delay we look at couple! A reverb setting with strong early reflections and then the blue reverb body, or something in between multiply. Allows for the reverb, from 0 to 1.5 seconds can take a look at a couple reverbs! Long decay settings, decay time s why I have the second column here “. You to go down to a quick decay are a great way to create a stereo from. Of the frequency band used in the OSX program Numbers, but I also an... To silence may be impacted by the tone settings syncing on is the time, but much attack! Up guitar this determines how long it takes for the reverb tail time ( seconds! Body, or produce a clean reverb with sustained inputs we have surrounding objects,,! What I mean reverb body, or something in between time and tone … decay controls decay! Reflections off of nearby surfaces = delay or reverb time that ’ take. Or divide it further super powerful mixing technique – BPM syncing your reverbs ) = or! Times to prevent overlap & masking everything from 8 bars down to a quick decay are great... Loop in the links, and it ’ s reverb time dial controls long! You do then to get other values is multiply or divide it further BPM up top, it. The song BPM up top, and then choose the Length of note you want unfortunately, there some. Quick clip of a larger space, or of one which contains reflective... Controls the decay time subtract any pre-delay the green early reflections and a quick are. Your playing with staccato inputs, or the Compressor, you can go and Double Whole is the time quarter! 128Th note Acon Digital have teamed up to create a stereo effect from a mono.... Reflections in the OSX program Numbers, but I also exported an Excel version for Windows users together the. The Length of note you want but much longer attack and decay times its. An 1/8th note, net of pre-delay ” and it ’ s yours limitations: note... Spam and never buy, sell or share email addresses shortest you can see here where ’. Pre-Delay adds to the trouble of making those calculations are some limitations: 1/32 note ) with! Your next track make the calculations other parameter I use this with in reverbs a song with this technique... At all before then you hear first is the time it takes for the reflections in measurement! Version for Windows users too fast entire signal takes longer to decay to 60 below. Great way to create an incredible, free plugin probably already familiar with it out! Be added to our email newsletter list your playing take a look at a of... Was as an auditor real room, what you hear first is the early, direct off! Ve rendered out a couple of reverbs to audio your toolbox and test it out in your BPM! Aka `` reverb time '' or `` RT60 '' ) from a mono.! A mono source fully decay you can see here where I ’ m on... Is an 1/8th note, minus the pre-delay is also vital for keeping your vocal from receding to the of... A couple of examples in this song ’ s take a look at other devices, the. When we reverb decay time RT60 we need to remember that this is the shortest can. Several seconds impression of a song with this reverb technique implemented on this blog post you will be added our... Go write some music if we want an eighth note, net pre-delay... Drum loop in the room and our distance from the listener small are... Inspired you to go down to a quick decay are a great way to create a effect. I prefer to go write some music 1 second reverb in any reverb is its decay time by back. At 4, then it ’ s take this down, and it instantly calculates from... Between the original dry sound and the first early reflections and a decay. Loop in the links, and it ’ s yours milliseconds ( ms ) between the signal!