Video summary
How to Make Your Films Sound More Realistic With Reverb
Main summary
Key takeaways
Main Ideas / Lessons
- Film/TV realism is mostly made in post: on set, dialogue (primarily) is recorded; other elements like footsteps, background ambience, sound effects, and music are added later.
- Dry audio sounds bad / unrealistic: to match an on-screen environment, you must add spatial processing—especially reverb—so sounds “live” in the same acoustic space as the scene.
- Use reverb in matching pairs: interior vs. exterior
- Interior reverb for rooms/homes/offices and “inside” moments.
- Exterior reverb for outdoors/streets/alleys and “outside” moments.
- Three-reverb workflow (core concept):
- Interior reverb
- Exterior reverb
- A big “5 verb” (dreamy/3D-space) reverb for heightened or stylized moments
- Make sends/returns do the work:
- Use send tracks from effect/Foley/background groups to reverb return channels.
- This allows controlling how much reverb each group receives without needing full reverb per track everywhere.
- Match spaces consistently across dialogue, backgrounds, and Foley:
- The same environment should generally have the same reverb logic whether it appears in background ambience, walla, Foley feet, or doors.
Methodology / Setup Instructions
1) Build a template with reverb return channels
Create two reverb return effects:
- Reverb One = Exterior reverb preset
- Revive 2 (labeled “Revive 2” in subtitles) = Interior reverb preset
Optionally include a third reverb:
- “5 verb” = big dreamy reverb Used heavily as an accent tool for stylized “underwater/dream” effects.
2) Route sound to reverbs using sends (for FX / Foley / background groups)
Use sends from tracks/groups to the reverb returns:
- For each relevant FX/background track:
- Send to Interior Reverb return
- Send to Exterior Reverb return
- Send to 5 verb return (when needed)
He describes the common approach as:
- Start with send levels set to a baseline (often 0)
- Raise send amounts only when a sound needs placement in space
- Emphasize riding the return via send levels, rather than constantly pushing return channels
3) Interior vs. exterior selection logic (how to decide)
- Match the scene’s environment:
- If the scene is a cave / large enclosed space → use a bigger interior-like response
- If it’s outside in a city street (traffic reflections, sirens, dogs, etc.) → use exterior slap/space
- He also suggests:
- Interior reverb is typically shorter/less “long” than exterior
- Exterior has different reflection characteristics
4) Practical example: alleyway “trash bag” SFX
- Start by listening to the sound dry (no reverb).
- Add exterior reverb by raising the send to the exterior return.
- If something pokes out too much (a “hit”/spike):
- Trim/cut or adjust the timing/portion causing the problem
- Keep reverb consistent across related material using group control when applicable.
5) Background ambience workflow (different handling than FX)
For backgrounds, he often:
- Keeps returns at 0 (in the described ambience approach)
- Adjusts send parameters per background element, so not every track gets equal reverb
He demonstrates:
- Adding exterior slap to dogs/barking
- Adding reverb/slap to smaller events (insects/bugs, trash sounds, distant elements)
Then he shows switching to grouped control so multiple background tracks can share the same reverb amount via one adjustment.
6) Foley workflow: feet + environment placement
- Play Foley feet dry first.
- Then add:
- Interior reverb if the footsteps are inside
- Exterior reverb if outside (alleyway/streets)
He shows realism by:
- Raising the appropriate return/send amount:
- Exterior → “outdoors” placement
- Interior → “room-like” placement (home/office vibe)
- Testing other behavior styles (e.g., a “parking garage” exterior/interior feel) to match the location.
7) The “5 verb” / dreamy reverb workflow (stylized transitions)
Keep the same send-to-5 verb return setup.
He describes a typical approach:
- Often keep the 5 verb return near 0
- Control how much dreamy reverb is applied from the send
- Demonstrates using EQ roll-off (or another EQ treatment) while increasing the big dreamy reverb
- Gradually reduce the 5 verb and bring the scene back to “present” / less dreamy
He frames this as ideal for stylized transitions like a gunshot moment or “underwater/dream world” shifts.
8) General guidance / philosophy
- Use reverb as “glue”: it ties dialogue, effects, backgrounds, and Foley into one cohesive acoustic space.
- Experiment, but start with proven defaults and quickly match interior/exterior.
- Reverb choice is subjective, but his two-main-reverb approach has been reliable across many projects.
Speakers / Sources Featured
- Joel D. Catalan — Emmy-nominated sound re-recording mixer, re-recording mixer, and “industry coach” (primary speaker).