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Waves Parametric Convolution Reverb

IR-1, IR-L and IR-360

User’s Guide

Waves IR-1 software guide page 1 of 40

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Summary of Contents for IR-L

Page 1: ...Waves Parametric Convolution Reverb IR 1 IR L and IR 360 User s Guide Waves IR 1 software guide page 1 of 40...

Page 2: ...in channel components About the IR 360 IR series Controls and Displays About the IR L Reverb Time Convolution start Convolution Length Ratio RT60 Dry Wet control Direct Offline Calculation indicator...

Page 3: ...Toolbar WaveSystem Controls Loading Impulse Responses Saving Importing Impulse Responses IR Info and Properties Notes on Flat Points or Unity Gain Settings for Controls System Requirements Notes CPU a...

Page 4: ...wo reverberation generators The Early Reflections Generator This generator is based on a short Finite Impulse Response FIR filter with less than 100 reflections A short stage of convolution is perform...

Page 5: ...like running it through the original device with the same settings or like recording the signal in the sampled space with a microphone setup similar to the one used for capturing the acoustics These r...

Page 6: ...rticle please check out the following link http www waves com objects pdf general article_farina05 pdf IR Library The library that is included with the purchased IR series covers all of the reverberat...

Page 7: ...is available with the installation of the IR series even for demo purposes The IR data for these presets resides in the folder IR1Impulses V2 in a directory called Basic The Path is Waves Plug Ins dir...

Page 8: ...IR 1 and IR 360 allow you to import the Sweep Response that you record in an acoustical space or hardware device The plug in will then process that Sweep Response into a new IR Here are step by step...

Page 9: ...absorb sound and dramatically change the reverberation quality of the acoustic space MEASURING VINTAGE PLATES SPRING REVERBS OR ANY REVERB UNIT The measuring procedure is quite similar to a normal voi...

Page 10: ...etc You can use a microphone of any kind with any polar patterns We recommend a cardiod or omni directional microphone After deciding which microphone to use set up the microphone with the speaker loc...

Page 11: ...input This component is very practical for stereo to stereo reverberation It provides beautiful reverberation with all the depth and dimension that you might need on an auxiliary stereo reverb Full St...

Page 12: ...iguration of Convolutions Mono to 5 Channel Discrete Surround processor 4 or 5 Efficient Stereo to 5 Channel Discrete Surround processor 4 or 5 Mono to 5 Channel Sound Field 3 Efficient Stereo to 5 Ch...

Page 13: ...Waves IR 1 software guide page 13 of 40...

Page 14: ...Waves IR 1 software guide page 14 of 40...

Page 15: ...Waves IR 1 software guide page 15 of 40...

Page 16: ...1 The IR L can be upgraded at any time to an IR 1 or IR 360 IR L CONTROLS AND DISPLAYS IR 1 and IR 360 users can skip to the following section labeled IR 1 and IR 360 Controls and Displays on page 17...

Page 17: ...ing will only use the amount of CPU it needs for the loaded IR so there is nothing to gain by manually setting it to 2 seconds for a 2 second IR RATIO Range 25 to 1 00 Default 1 00 The Reverb Time Fad...

Page 18: ...he Dry signal it is generally recommended to turn off the Direct DIRECT Range ON OFF Default Off This switches the direct signal on or off PRE DELAY Range 0 500ms Default 0 This controls the amount of...

Page 19: ...ulation process can take up to several seconds While the impulse response calculation is taking place the Reverb IR graph displays Calculating and the audio is muted After the calculations are perform...

Page 20: ...t and its range is from 30dB to 60dB The scroll bar on the bottom allows you to zoom in and out horizontally as well as scroll back and forth There s a Reset button on the right of the scroll bar that...

Page 21: ...e creating a gated reverb sound This gating effect can be avoided by using the Envelope to make the IR fade out earlier The default Full setting will only use the amount of CPU it needs for the loaded...

Page 22: ...iginal IR Reducing density will usually result in a more grainy sound increasing density will usually create a thicker and smoother sound The outcome will vary according to the nature of the reflectio...

Page 23: ...t is generally recommended to turn off the Direct Wet Properties The Wet Properties section has separate on off gain and delay controls The IR 1 engine analyzes the impulse response loaded into it and...

Page 24: ...series is programmed to auto detect if a direct signal is available or not If the imported IR has no direct signal then the direct signal On Off control will be disabled In some cases when importing a...

Page 25: ...st and most significant part of the reverb and its decay The Reverb Tail has a spectral damping signature that is unique to each IR The Tail can be used without Early reflections and you can also appl...

Page 26: ...On All elements have link controls so that all gains can move together as if in multi selection When an offset is made re linking will preserve the offset and limit the range to the extreme denominat...

Page 27: ...o achieve non linear responses such as faster or slower decay gated response or special creative gain manipulations The control has a gain line representing Time on the X axis and Gain on the Y axis T...

Page 28: ...reverb time of the high and low frequencies The Reverb Damping controls allow you to modify the Low and Hi Frequency decay times of the IR relative to its overall Reverb Time The controls are grouped...

Page 29: ...the frequency response of a room s reverberation This information is captured in the Impulse Response The total decay time of a room might be 2 seconds but high frequencies might have a decay time of...

Page 30: ...than at middle frequencies If you want some extra warmth set the LF damping at slightly greater than 1 00x Reverb EQ The IR 1 has a 4 band Paragraphic EQ section with a Low Shelf filter 2 Bell Shaped...

Page 31: ...ons The control is effective only when the Direct control is set to Off ER TR X CROSSOVER Range 100ms Default 0ms This control allows you to modify the time reference point that splits the Tail Reflec...

Page 32: ...stically natural the plug in may fail to detect the Direct ER or Tail as separate parts This is typical of small rooms or spaces with a reflective floor The direct signal and the ER cannot be separate...

Page 33: ...ont speakers and 35 will be put in the rear speakers PRE DELAY OFFSET Range 0 to 80ms Default 0 This control adds a time delay to the reverb on the rear speakers It can create an effect similar to tha...

Page 34: ...load just the default IR by choosing Impulse Response This leaves all other parameters unchanged Full Reset sets the plug in to a flat setting that allows for auditioning the original Impulse Response...

Page 35: ...der in a sub folder called IR1Impulses The Impulse files are stored in a proprietary Waves format and use the extension wir Waves Impulse Response The wir files cannot be opened in normal Audio Editor...

Page 36: ...d approach is to try to reach the point where the perceived loudness of the fully wet signal is similar to that of the fully dry signal Depending upon the channel component of the plug in IR series wi...

Page 37: ...Current manipulated values for Convolution length of the convolution filter for the current IR The output length may differ from the input length due to one of the following reasons 1 Convolution user...

Page 38: ...ained by using the Gain Envelope Bypass control or by using the Gain Envelope Clear control In the Damping Filters section set the ratios to 1 for the flat point In the EQ filters section the flat poi...

Page 39: ...OMPONENTS Efficient Stereo consumes the same amount of resources as the Mono to Stereo and about half of what the Full Stereo consumes While it presents a compromise on the purist natural reverb the o...

Page 40: ...e sensitive to the slope at the higher gains so while shortening RT60 will sound like a smaller reverb shortening the Convolution length will simply sound less linear at the lower IR gains IR 1 HTDM T...

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