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IR1 Convolution Reverb

Reproduce the acoustic environments of world-famous venues
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Transport Your Tracks toWorld-Class Acoustic Spaces


Maybe you’d like to record in the Sydney Opera House. Or in the Grand Ole Opry. Or in the Manhattan Center, or in Wembley Stadium, or in Birdland. Or record dialogue in a stairwell, a church, a car interior, or on the Todd-AO scoring stage. For all of these—you want IR1.

Convolution reverb’s uncanny ability to reproduce hyper-realistic acoustic environments is well-known, but IR1’s 2,000+ impulse responses are what truly bring convolution reverb to life.

  • 4.8 GB library of impulses covers a huge variety of acoustic spaces
  • Modify impulses with multiple editable parameters
  • All impulses recorded with premium field-recording gear
  • Can also faithfully reproduce classic digital reverb hardware
  • Includes the sweep file needed to create your own impulses
  • Import third-party impulses from the internet, or use WAV files
  • With mono, mono-to-stereo, full stereo, or efficient stereo modes
  • Shape the reverb envelope to produce non-linear effects
Watch It in Action

Easy Editing, Convolution Sound

  • Algorithmic Reverb Familiarity

    With IR1, editing convolution reverb can be just as easy as editing conventional algorithmic reverb. You’ll find familiar reverb parameters—like RT60 decay time, size, density, ER buildup, and a 4-band EQ to set damping.

    Features: Glue Mixes without “Squashing”
  • Superior Shaping

    Despite impulse responses being static, the envelope shaper allows non-linear responses—faster or slower decay, gated responses, tails that swell up before decaying, rhythmic chopping, and more.

  • Shift Into Reverse

    The innovative Reverse mode reverses the tail, but not the original sound being processed. The result is ghostly, evocative reverb that still retains the intelligibility of vocals and instrument attack/decay characteristics.

    Features: Fast and Efficient Operation
  • Over 2,000 Spaces

    The crown jewel of the package is over 2,000 meticulously recorded impulses of acoustic spaces, including venues from around the world—often with different seating positions and microphone polar patterns.

    Features: From Vocals to “The Ringo Drum Sound”
  • Impulse Customization

    The IR1 separates the direct sound, early reflections, and tail, each with its own gain and predelay parameters. Also, you can trim the impulse start for an instant attack, or the end for a shorter reverb that needs less CPU power.

    Features: Multiple Modes Fit Different Material
  • Create Your Own Impulse Responses

    Want to sample an acoustic space whose natural reverb you love? Maybe sample a vintage spring reverb? IR1’s sweep tone makes it easy to create your own impulses. Download this sweep file, play it through speakers in your space of choice, record the result, and import the recorded sweep file into the plugin (see the IR1 user guide for full instructions).

    Features: Precision Modeled Transformers