RSR527 – Dr. Chris Warren – Echo Thief, Reverb, Impulse Responses & the Science of Sound
Recording Studio Rockstars
Lij Shaw
4.8 • 543 Ratings
🗓️ 10 October 2025
⏱️ 123 minutes
🧾️ Download transcript
Summary
What does it sound like to record reverb inside a giant dome? Dr. Chris Warren shares how Echo Thief captures real-world impulse responses, the power of Max programming, and why reverb is key to music, game audio, and immersive sound design.
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My guest today is Dr. Chris Warren, a sound designer, digital composer, and creator of immersive sonic installations. His exhibits have been featured at the Museum of Making Music, the Fleet Science Center, and NAMM. Dr. Warren's extensive research in acoustic measurement has produced EchoThief, a library of beautiful reverberation from around North America. These sonic snapshots of distinctive spaces have been featured in video games (Sony's Days Gone, Bethesda's Wolfenstein II), museum exhibits, sonic software, and artistic work around the globe. Dr. Warren teaches digital music composition and sound design at San Diego State University.
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Transcript
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| 0:00.0 | This episode of Recording Studio Rockstars is brought to you by Isotope, Native Instruments, |
| 0:06.7 | S-A-E- Institute, Adam Audio, Spectra-1964, and Picker. |
| 0:12.9 | In fact, you're hearing my voice right now, recorded through a Spectra-1964 STX-100 mic-Pree, |
| 0:20.6 | and mixed with Isotope, ozone, and RX on atom audio monitors and headphones. |
| 0:27.4 | Grab my free mixing course at Mixmaster Bundle with the link in the show notes below, |
| 0:33.1 | and please make sure to visit our fantastic sponsors also in the show notes and like and subscribe |
| 0:39.8 | to our YouTube channel because it's a great way to help support this show. |
| 0:43.9 | Now get ready to rock. |
| 0:47.3 | So Echo Thief is a library of reverberation that I've captured from real spaces around |
| 0:53.4 | North America. While I was at |
| 0:55.5 | Stanford, I had the opportunity to work with one of the coolest dudes I've ever met. Dr. John |
| 1:00.5 | Abel, he taught me how to take impulse responses. Basic idea is, you know, clap, that's an impulse. |
| 1:06.8 | When you send that into a space and record what comes back, that's the impulse response, the response of a space to an impulse. |
| 1:13.2 | So if you have an impulse response, you can drop it into a convolution reverb plugin, of which every DA has one. |
| 1:19.5 | You can make any sound seem like it happen in the space that you've measured. |
| 1:24.6 | And so what this means is, I have a backpack, carry all this gear that I need to take these |
| 1:29.9 | impulse responses. |
| 1:30.8 | I can take this to wherever I can find an interesting sonic space, a place that really folds |
| 1:36.5 | sound nicely, sounds beautiful to my ears. |
| 1:39.7 | And I can capture that and put it in the library so it's usable by anyone who wants to relocate sound. |
| 1:55.6 | Welcome to Recording Studio Rockstars. I'm Lid Shaw and this is the podcast created to help you become a rock star of the recording studio. |
| 2:10.5 | Rockstars, if you want the ultimate toolkit for your music, check out Complete 15 from Native Instruments. With 165 instruments and over |
... |
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