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C360 SurroundComp User Manual
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1. affect the colors of the Threshold and Ceiling controls which will change to the appropriate group color of the related sidechain To better understand Link Modes read section 3 Link Modes in C360 Waves C360 software guide page 8 of 10 On Off default on The Dither adds low level random noise and forces any quantization error noise to become part of the dither noise It is used to get the highest perceived resolution when taking the 48 bit double precision process back to 24 bit INPUT METERS The input meters are the ones in the Threshold section The Threshold arrow controls were placed beside the meter for easy adjustment of the threshold value in conjunction with the level in the related channel Below the Input Meters are peak indicators that show the peak level they can be reset by clicking on them Input meters show O0 to 60dBfs OUTPUT METERS The Output meters are the meters in the Ceiling section The Ceiling arrow controls were placed next to their associated output meters for easy adjustment of the output peak value Below the Output Meters are peak indicators that show Waves C360 software guide page 9 of 10 the peak level for the related channel they can be reset by clicking on them Output meters show 0 to 6OdBfs ATTENUATION METERS attenuation EXE EIER The 3 attenuation meters show the gain attenuation for each of the 3 possible sidechains according to the selected Link Mode Attenu
2. gets close to the level in any of the linked channels attenuation will occur When you feel that your surround image is appropriately tight you can leave the threshold and use the Output ceiling control to set the overall compressor output to suite your balance with other sources If you are looking for a simple rule to follow we recommend picking a louder passage of the program and setting the threshold just 2dB below it This recipe is limited in its results but its sure to keep you in a safe setting range that won t ruin your audio It may however present lighter compression than what you need or want Eventually you will have to trust your ears which is always the recommended way to go Whatever sounds good sounds good Waves C360 software guide page 4 of 10 Link Modes in C360 When we apply dynamics to a Stereo mix we try to keep our stereo image stable by applying the same gain attenuation to the left and right channels For this reason we use a linked Dynamics process The detector works on an L R linked sidechain and applies the same gain attenuation to both channels preserving their relative level and intended Stereo Image In Surround there are different approaches in the perception of the sound stage It may be regarded as a complete 360 sound field while in other cases channels may be divided into sub stages An example typical to Film post production is to use the center speaker for direct dialog the front L amp R fo
3. linked to which sidechain For a detailed description of the dynamic process link modes see Chapter 3 Link Modes in C360 Waves C360 software guide page 3 of 10 Using C360 C360 has two main sections e Threshold Sets the peak reference point to which all compression will relate For example if you set the threshold to 6dB the compressor will begin attenuating when level gets around 12dB and then more and more e Ceiling Sets the output gain for the overall compression Since the compressor has auto makeup the output may become louder than you want Use the Out Ceiling to set your desired output level As you take the threshold downward the volume boost will be the most obvious audible effect Using the Master compression control the way we recommend in the L360 however will not preserve the relative loudness and will instead introduce a drop in the gain The reason for this is that the soft knee response begins attenuating long before the level reaches the threshold The compression effect of C360 is however more obvious than the limiting effect of the L360 and the goal is not necessarily to preserve transparency and gain loudness so listen carefully BASIC OPERATION To operate C360 insert it on the Multichannel track you wish to compress Begin to drag down the Master compression control and listen to the sound The overall track gain will be boosted as you take the threshold down As the threshold
4. threshold at OdB and another at 48dB the Global Threshold control will not make any adjustment Waves C360 software guide page of 10 CEILING CONTROLS dut Ceiling 0 2 Red Ed El ET 0 2 jd ed E ee In the Output or Ceiling section each channel has a meter and beside the meter an arrow control that sets and indicates the Ceiling or maximum peak value for that channel and other channels linked to the same sidechain The Ceiling controls behave exactly the same as the Threshold controls Range 0 to 48dB default OdB A Global Ceiling control is located between the Attenuation and Ceiling meters It shows an arrow pointing toward the Ceiling section This control will move all the Ceiling controls simultaneously preserving any existing offsets and bounded by the highest and lowest threshold values GLOBAL COMPRESSOR CONTROL The Global Compressor control is located under both the Global Ceiling and the Global Threshold controls This control will move all Threshold controls and all Ceiling controls simultaneously preserving all current offsets with the highest and lowest Threshold or Ceiling values bounding its effective range LINK MODE SELECTOR Link rode The Link Mode Selector allows the selection of one of five available link modes It is located directly under the Attenuation meters section A Link Mode defines which channels are linked to which side chain Selecting a certain link mode will also
5. CTION OF C360 C360 supports flexible and versatile linked functionality Parameter linking is easily carried out by using global threshold and ceiling controls Dynamic process linking is subject to a user selected Link Mode where certain channels are linked to a common sidechain Parameter linking is important for the general settings In this case the user can use a master threshold or master ceiling control to specify the same threshold or ceiling value for all audio channels assuring a common general makeup or level maximization value For example specifying a common 6dB threshold and a OdB ceiling to all channels will result in a general uniform 6dB boost Another type of link can be described as inked dynamics processing n this case we link several channels to a common process sidechain All of the channels linked to a common sidechain will get the same gain attenuation when the level in any of them exceeds the specified threshold This type of link is critical for the preservation of the cross channel balance and direction of phantom images For example in a stereo image if we apply different attenuation to the Left and Right channels the Stereo image symmetry appears distorted The C360 offers up to 3 sidechains which equal to 3 stereo compressors The Dynamics process link is user selected in the Link Mode control right under the 3 attenuation meters A straightforward color code helps you keep track of which channels are
6. Waves C360 SurroundComp Software Audio Processor User s Guide Undo A Musical Compressor h B car Save EX Ww 260 Surround Compressor shald 17 7 Ri r3 akiri E abiti ae Waves C360 software guide page 1 of 10 Introduction and Overview Introducing Waves C360 a Surround Soft Knee Compressor for 5 or 5 1 channels C360 s controls are the same as those of the L360 and the functions are similar but the sound is different It begins attenuating before the level reaches the threshold and attenuates more as the level reaches and passes the threshold The output signal will not exceed the specified ceiling so it also functions as a limiter and keeps the sound from digital clipping C360 supports operation at sample rates up to 96kHz BRIEF OVERVIEW C360 s Compressor has a look ahead mechanism using 64 samples of delay to anticipate levels approaching the threshold so in fact its Attack time is negative It also incorporates Waves ARC Auto Release Control This technology sets the optimal program sensitive release time for the applied gain attenuation The C360 allows linked dynamics processing for preserving the cross channel balance and phantom imaging It allows flexible link modes to fit right in with the preferred grouping scheme that you wish to follow or the one you think sounds best This is done on a single 5 or 5 1 Insert without the need to split to Multiple stereo and mono groups You get all the optio
7. am colors So if you are setting the threshold with a red arrow control look for the red attenuation Controls with the same color will move together linked in both control and process Waves C360 software guide page 6 of 10 C360 Controls and Displays THRESHOLD CONTROLS Threshold SEA SERI SERI Ei Reit EEI mi LJ Range 0 to 48aB default OaB The Threshold is the peak reference point for the operation of the C360 Compressor Whenever the level in a certain channel approaches the specified threshold gain attenuation will be applied thereby reducing the gain The Threshold controls are represented by little arrows next to a channel s input meter Some channels will be grouped or linked to a common sidechain the Threshold controls are assigned a color by the sidechain they are linked to in conjunction with the selected Link Mode Channels that are linked and have the same color will move together It is not possible to define separate threshold values to linked channels A Global Threshold control is located between the Threshold and Attenuation meters showing an arrow directed toward the threshold section This control will move all the threshold controls at once preserving any offsets between the different linked groups The range and value of this control is subject to the actual Threshold controls The highest and lowest threshold values set boundaries for the control of the Global Threshold so if you have one
8. ation will show only for active sidechains whenever the level in one or more of the channels linked to it exceeds the specified Threshold Above the Attenuation meters there are numeric peak attenuation indicators These will show the maximum attenuation applied to a certain group until reset by clicking on it The meter can show down to 30dB of attenuation Waves C360 software guide page 10 of 10
9. ns on the same multichannel insert How DOES C360 WORK C360 is a soft knee compressor that has an auto makeup scheme However low you set your threshold the gain is made up automatically We call this Peak reference compression The Out Ceiling in this case defines peak output though the actual peak output will probably be lower than the Ceiling Any dynamics processor essentially rides the track s gain automatically according to a set of rules In this case the track s gain will be attenuated as the sound gets louder allowing the overall gain to be boosted by the same amount that the threshold is lowered The result is that the dynamic range is compressed the lower passages get louder and the louder passages are relatively softer For example the following image shows the compression curve for a single channel The left image shows a linear ascending level from inf to full scale and the right shows the compressor s effect when set to a 12dB threshold Waves C360 software guide page 2 of 10 C360 is useful when you have low gain 5 1 material that needs to be boosted or material with extreme dynamics that need to be tightened C360 PLUG IN COMPONENTS The C360 Surround Compressor consists of components for 5 or 5 1 6 Channel Inserts When working on a surround mix in a DAW environment the C360 should be listed in the insert menus of any 5 or 5 1 tracks auxiliary inputs and master fader tracks LINKED FUN
10. ound stage Another is for the front Left and Right channels or the front stereo stage The last sidechain goes to the Rear Left and Rear Right channels The Subwoofer output or LFE channel is also independent and is actually passed through the C360 without being affected We derived this link mode from the track grouping routines of some surround mixing professionals setups again in the field of film soundtrack postproduction The default All Linked 5ch and All Linked Sub are good places to start Then you can easily toggle between link modes to hear their sound LINK MODES SIDECHAINS AND COLOR CODES C360 has up to 3 sidechains This is equivalent in process power to 3 stereo compressors Each sidechain can detect level and apply gain attenuation to any number of channels linked to it To make it easier to know which channels are linked to which sidechains we created a color code that will help you associate a certain channel with its sidechain and attenuation meter at a glance In the Attenuation section there are 3 attenuation meters Yellow Red Blue Directly under the Attenuation meter is the Link Mode Selector control The selected link mode is displayed beneath the attenuation meters listing the Groups that are linked in their group color under the relating attenuation meter This meter also shows the attenuation for a certain group in its color The Threshold and Ceiling arrow controls will get their group s te
11. r general soundtrack and the back channels for sound effects and ambience The acronym for the LFE channel stands for Low Frequency Effects The LFE in today s Home Theater electronics is typically played by a Subwoofer speaker which is generally used for reproduction of all Low frequencies in the program redirected from the other channels by a Bass Management system C360 offers 5 Link Modes that let you use up to 3 separate sidechains The following section will describe the different link modes and the sound stage disciplines they represent ALL LINKED In this mode all channels are linked As a result you get uniform attenuation preserving the whole surround image of the material preserving even the balance between the 5 main channels and the LFE channel This link mode may be preferred when re mastering existing surround material especially if preservation of the complete mix balance is a defined goal 5 LINKED SUB In this mode a separate sidechain is dedicated to the LFE or Subwoofer channel The sound stage is divided into the directional or main sound field consisting of the 5 channels and the Non directional LFE channel This will fully preserve the direction of the surround image phantoms but it won t introduce attenuation in conjunction with high peaks in the LFE channel For example if you have a soundtrack that introduces an earth shattering kaboom you don t necessarily want your whole 5 channel directional sound stage to d
12. uck its level Surround music production is a good application for this link mode FRONT REAR SUB This mode uses all 3 sidechains One sidechain for the front stage links the Left Center and Right channels detecting and applying the same attenuation to all 3 Another sidechain for the rear stage links the Rear Left and Rear Right channels Ls and Rs The last sidechain goes to the Non directional Subwoofer or LFE Waves C360 software guide page 5 of 10 channel This mode can be useful in film soundtrack mastering when any ambience and FX in the rear stage shouldn t necessarily duck in conjunction with Music or dialog events CENTER QUAD SUB This mode uses all 3 sidechains One for the Center channel independently we can consider this as the dialog sound stage Another for the quad stage linking Left Right Left surround and Right surround to a common detection and attenuation fully preserving quadraphonic Phantom images The last sidechain goes to the Non directional Subwoofer or LFE channel This mode is again useful in film soundtrack production where it is more critical to preserve the spatial sound stage and leave maximum focus to dialog CENTER FRoNT LR REAR LFE is BYPASSED This mode uses all 3 sidechains and leaves the Subwoofer or LFE channel idle of processing This mode makes the maximum split to different possible sound stages One is for the Center channel independently We can consider this as the dialog s
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