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covolution_reverb_and_irs [2020/01/12 05:42] – [Varieties] rs2000 | covolution_reverb_and_irs [2022/06/18 00:49] – pool of the black star added espiegel123 | ||
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====== Convolution Reverb and IRs (Impulse Responses) ====== | ====== Convolution Reverb and IRs (Impulse Responses) ====== | ||
+ | The idea behind convolution reverb based on impulse responses is to emulate the placement and recording of a sound source in a real physical space. | ||
+ | Decades ago, one would have had to move the sound source into that space (a small room, a live stage, a concert hall, a church or simply set up a loudspeaker cabinet) and set up all the required recording equipment. | ||
+ | Since the invention of IR-based convolution, | ||
+ | How are IRs recorded? | ||
+ | You can read more about the process here (link as of January 2020): | ||
+ | |||
+ | https:// | ||
+ | |||
+ | A more technical description with details can be found here (link as of January 2020): | ||
+ | |||
+ | https:// | ||
===== Varieties ===== | ===== Varieties ===== | ||
Convolution reverbs can use impulse responses (often just referred to as IR or IRs) in different ways. | Convolution reverbs can use impulse responses (often just referred to as IR or IRs) in different ways. | ||
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The left and right input channels are mixed to mono and then independently convolved with the left and right impulse response file channels. When using a single stereo impulse response file, this is useful when input audio is panned hard left or right; this configuration is often encountered in low/ | The left and right input channels are mixed to mono and then independently convolved with the left and right impulse response file channels. When using a single stereo impulse response file, this is useful when input audio is panned hard left or right; this configuration is often encountered in low/ | ||
- | (Source URL January 2020: https:// | + | (Source URL from January 2020: https:// |
===== Tips and Tricks ===== | ===== Tips and Tricks ===== | ||
==== Non-reverb uses ==== | ==== Non-reverb uses ==== | ||
- | Convolution reverbs can be used to interesting effect when you use non-IR (impulse response) files instead of impulse responses. | + | Convolution reverbs can be used to interesting effect when you use non-IR (impulse response) files instead of impulse responses. |
A quick demo of a decidely non-reverb application of convolution | A quick demo of a decidely non-reverb application of convolution | ||
{{youtube> | {{youtube> | ||
+ | |||
+ | ==== Tutorial & Tips ==== | ||
+ | |||
+ | === Cabinet IR Tips === | ||
+ | There is general agreement that high-quality cabinet IRs (such as those from OwnHammer) improve the results that you will get with even the best guitar and bass amp simulations. This section provides tips for people using cabinet IRs. | ||
+ | |||
+ | Many people find that the OwnHammer rEvolution provides a great collection of IRs that cover everything from 1x12 to 4x12 cabinets. That bundle includes a huge number of variations (these are geared towards recording engineers that are interested in replicating particular mic positioning). Schmootown provided [[https:// | ||
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+ | DaveyPoo' | ||
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+ | How to Import Import Ownhammer Cabinet IRs into THAFKNAR or Impulsation | ||
+ | {{youtube> | ||
===== Downloads ===== | ===== Downloads ===== | ||
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* [[https:// | * [[https:// | ||
* [[http:// | * [[http:// | ||
+ | * [[https:// | ||
===== Stub ===== | ===== Stub ===== |