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Waves Parametric Convolution Reverb IR-1 User Manual

Parametric convolution reverb
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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 Waves Parametric Convolution Reverb IR-1

  • 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 Direct Signal Early Reflections Reverb Tail Direct: Direct Gain Direct Predelay ER Gain ER Predelay Tail Offline Calculation Indicator More About Reverb Damping Damping HF damping Waves IR-1 software guide page 2 of 40 PRING EVERBS OR ANY REVERB UNIT...
  • 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 about Optimization IR-1 HTDM Waves IR-1 software guide page 3 of 40...
  • Page 4 They also allow the user to alter many aspects of the sound of these reverbs. For the purpose of this Manual, when discussing attributes shared by the Waves IR-1, IR-L and IR-360 Parametric Convolution Reverb plug-ins, we will simply refer to them all as the IR-series.
  • Page 5 The Perfect Hybrid The Waves IR-series plug-ins are designed to bridge the gap between synthetic digital reverberation and sampled acoustics convolution reverberation. They provide a convolution-based reverb processor with total control of the reverb parameters. The IR- series uses the impulse response as raw material.
  • Page 6 Another major part of the IR-series is the Impulse Response (IR) Library. The library offers a set of high-definition IR’s. Waves paid special attention to this part of the product because it is the basic reverb sound of the IR-series reverbs. We established a special recording setup and method specifically for IR recording.
  • Page 7 "IR1Impulses V2" in a directory called Basic. The Path is: Waves Plug-Ins dir/IR1Impulses V2/Basic. The Custom Setup group contains presets that only have settings. These presets can be loaded onto any IR. Waves IR-1 software guide page 7 of 40...
  • Page 8 Sampled Acoustics V2 folder on the DVD have to be copied into the IR1Impulses V2 folder inside the Waves Plug-Ins folder. You can add or delete folders from this directory. Each time upon loading, the Plug-In will scan the directory and dynamically build its preset menu according to the folder hierarchy.

  • Page 9: Tips For Sampling An Acoustic Space

    If there is more than one setting on the unit please measure them all. For instance, reverb settings (1-5), mono-to-mono, mono to stereo, and stereo to stereo. Waves IR-1 software guide page 9 of 40 PRING EVERBS OR ANY REVERB UNIT...
  • Page 10 (LR). Then record the Right speaker with the Left mic (RL) and the Right mic (RR). SERIES PLUG IN CHANNEL COMPONENTS The IR-series is available in several channel configurations as follows: Mono to Mono: 1 convolution Mono Convolution Input Waves IR-1 software guide page 10 of 40 Input of the speaker. Mono Output...
  • Page 11 Stereo. This component presents a more purist approach to Stereo Reverberation than Efficient Stereo, but will use twice the CPU. Convolution Left Input Convolution Convolution Right Input Convolution = Summing Waves IR-1 software guide page 11 of 40 Left Output Right Output Left Output Right Output...
  • Page 12 Full Stereo to 5 Channel Sound Field Sound Field Surround to Surround Efficient Discrete Surround to Surround Diagrams of these channel configurations are shown below: Waves IR-1 software guide page 12 of 40 # of Convolutions 4 or 5 4 or 5...
  • 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 The scroll bar on the bottom allows you to zoom in and out horizontally as well as scroll back and forth. Note that while IRs are limited to six seconds in length, the window itself has a maximum length of ten seconds. Waves IR-1 software guide page 16 of 40...
  • Page 17 The RT60 display is active only when RT60 may be computed on the IR. There is a minimum IR length (about 100 ms) for computing RT60 as well as for activating the reverb time ratio. Waves IR-1 software guide page 17 of 40 1 second; Default: 0 seconds...
  • Page 18 Since reverbs are commonly used in an aux send configuration and since most host applications cannot compensate for the delay for plug-in latency on auxiliary sends/returns, the Wet path latency is shown within the plug-in and regarded as a nominal predelay. Waves IR-1 software guide page 18 of 40...
  • Page 19 When crosstalk is 100.0, the plug-in will convolve a summed stereo input. The dry signal is not affected, so the reverb will have elements from the left channel in the reverb of the right channel and vice versa. Waves IR-1 software guide page 19 of 40...
  • Page 20 Clearing the envelope curve resets it to its flat point of 0dB (two-thirds of the graph’s height). To the left and above the IR window is the Reverse button which flips the IR front-to-back. Waves IR-1 software guide page 20 of 40...
  • Page 21 This field shows the reverb’s current RT60. It is the original RT60 multiplied by the Reverb Time Ratio. To determine what the original RT60 is, set the Ratio to 1.00. The original RT60 is calculated by analysis of the loaded IR. Waves IR-1 software guide page 21 of 40 1 second; Default: 0 seconds...
  • Page 22 You can use this control to make a stereo output out of a mono-recorded IR. To achieve this, load a single-channel IR into a stereo or mono component. Then, cancel the "import” dialog when the plug-in asks for the second channel. Waves IR-1 software guide page 22 of 40 stereo plug-in...
  • Page 23 Direct signal and use the Wet/Dry control to reach the desired balance between source and reverb. In aux send configurations, the IR-1 is best used with the Direct Off and 100% Wet (the default status). Waves IR-1 software guide page 23 of 40...

  • Page 24: Early Reflections

    IR and you can still move the ER/Tail separation point using the ER/TR- X control. Early reflections are mostly responsible for a natural-sounding room and the perception of localization and distance. Waves IR-1 software guide page 24 of 40...
  • Page 25 : Range: 0.0dB to Off; Default: 0.0dB ER Gain controls the level of the early reflections. ER P : Range: 0ms to 500ms; Default: 0ms REDELAY This controls the amount that the early reflections are delayed. Waves IR-1 software guide page 25 of 40...
  • Page 26 Wet path latency within the plug-in and regard it as a nominal predelay. When working as an insert, the Dry Latency control can be used to align the dry signal to the wet signal or even advance it ahead up to 30ms. Waves IR-1 software guide page 26 of 40...
  • Page 27 If you bypass the Reverb Envelope, you can make several adjustments without having to wait for each change to calculate. When you enable the Reverb Envelope, it will calculate all of the changes at once. Waves IR-1 software guide page 27 of 40...
  • Page 28 “1”. This is different from synthetic digital reverbs which use these types of controls to define the frequency response of a room’s reverberation. With a synthetic reverb, the low frequency ratio would have to be greater than “1”. Waves IR-1 software guide page 28 of 40 . Default: Off.

  • Page 29: Low Frequency

    • Very dry air increases HF damping. Stone walls, such as in many churches, give less HF damping than do wooden or furnished rooms. Waves IR-1 software guide page 29 of 40 : Range: 0.10 to 2.00; Default: 1.00 ATIO...

  • Page 30: Low Shelf Filter

    • Q: Range : 0.26 to 6.50; Default: 1.28 SHAPED ILTER • Gain: –24dB to +12dB; Default: 0 • Frequency: Range: 1000Hz to 21000kHz; Default: 1200 Hz • Q: Range : 0.26 to 6.50; Default: 1.64 Waves IR-1 software guide page 30 of 40...

  • Page 31: High Shelf Filter

    When importing a user IR, the IR-series will attempt to define the crossover point automatically. When you load an IR, the plug-in attempts to locate the Direct signal, Early Reflections (ER), and Tail Reflections (TR) automatically, so that they can be manipulated separately. Waves IR-1 software guide page 31 of 40...
  • Page 32 When Crosstalk is at 100.0, the plug-in will convolve a summed stereo input. The dry signal is not affected, so the reverb will have elements from the left channel in the reverb of the right channel and vice versa. Waves IR-1 software guide page 32 of 40...
  • Page 33 These meters show how much total signal (combined wet and dry) is going into each surround channel. Toolbar WaveSystem Controls There is a view of the Toolbar WaveSystem Controls on the following page: Waves IR-1 software guide page 33 of 40...
  • Page 34 The IR-1 load menu is the same load menu used in all WaveSystem plug-ins. Use “Open preset file…” to load a Waves setup file *.xps. Use “Import Impulse Response from WAV...” to import IR’s either from standard .wav files or from Waves Impulse Response (.wir) files.
  • Page 35 The next three factory presets: Room – 1, Studio – 1, and Plate – 1 are from the Waves basic IR library. This IR Library is available with any install of the IR-1 plug-in. Most Factory Presets offer two load options: •...
  • Page 36 (IR info) of the display. Properties that can be modified using the Plug-In’s controls are displayed beneath the fixed properties section (IR properties). The IR info pane shows: Waves IR-1 software guide page 36 of 40...
  • Page 37 For imported IRs, the IR properties (Distance, Size, and RT60) will remain blank if the information is not available, and will display "NA" when the value is not applicable. “F OTES ON OINTS Waves IR-1 software guide page 37 of 40 ” NITY ETTINGS FOR row, seat 24.

  • Page 38: System Requirements

    Minimal system requirements for running at least 1 instance of the Full Stereo in real time at 48kHz: Native: MAC G4 867, 512Mb RAM. PC Intel - P4, Celeron 1.4 Gig and P3-700, or AMD Athlon XP, 512Mb RAM. OTES ABOUT PTIMIZATION Waves IR-1 software guide page 38 of 40...
  • Page 39 In other words, while not every millisecond will free some CPU, every 100ms should. You can get great results by using a shortened convolution length and using the envelope to smooth the slope so that it doesn't sound gated. On continuous material it Waves IR-1 software guide page 39 of 40...
  • Page 40 There are two different Digidesign stream managers (HTDM Enablers), and the one that many HTDM Instruments install and use is 128 rather than 512. For better performance with IR-1 the 512 Stream Manager is required. Waves IR-1 software guide page 40 of 40...

This manual is also suitable for:

Ir-360Parametric convolution reverb ir-lIr-l