Tuan Krbavčič WinklerGame audioContact

Professional · Production Tooling · FMOD Studio 2.02 scripting + JavaScript

FMOD Build Validation Tool

A production-deployed FMOD pre-build validator used by the project's audio team to catch routing and naming errors before bank generation.

A validation failure blocks the bank build and lists both a routing and a naming problem before any bank is generated.

At a glance

  • Type

    Professional production tooling.

  • Platform

    FMOD Studio 2.02 scripting (JavaScript).

  • Checks

    Direct-to-Master routing, and spaces in event names.

  • Trigger

    Scripts → Build Banks (Validated), or the F8 shortcut.

  • Team use

    A small audio team of around 2–3 sound designers, as part of the regular bank-build workflow.

The production problem

Catch production errors at the point where they're quickest to identify and correct.

Before a bank build, it's easy for a couple of small but recurring FMOD setup mistakes to slip through — the kind of thing that's simple to catch on a good day, and easy to miss on a busy one. The validator exists to catch those mistakes automatically, every time, rather than relying on someone remembering to check by hand.

What I designed

A validated bank-build command, not a separate audit step.

A pre-build validator registered as Scripts → Build Banks (Validated) (or the F8 shortcut) that checks every event for direct-to-Master routing and spaces in event names immediately before a bank build. A failed check blocks the build and reports the offending events with correction guidance; a successful check proceeds straight to a normal bank build.

My contribution

Direction, design and integration.

  • Identified the recurring production problem
  • Defined the validation rules
  • Designed the validated bank-build workflow
  • Designed the desired error / feedback behaviour
  • Directed implementation
  • Reviewed and understood the script
  • Debugged validation and build behaviour
  • Tested pass / failure cases
  • Integrated the validator into the production workflow
  • Iterated based on day-to-day team use

How validation works

A check built into the build action itself.

Rather than a separate audit someone has to remember to run, validation happens automatically at the moment the team already builds banks.

Fail

  1. Block build
  2. Show offending events + correction guidance
  3. Fix and retry

Pass

  1. Bank build proceeds normally

Routing and naming, not just style preferences

Master-bus routing. Events routed directly to the Master Bus can bypass the intended group/bus structure and processing, making levels, effects and broader mix behaviour less consistent and harder to maintain.

Whitespace in names. Event names containing spaces can create problems for scripts, automation or external tools that rely on predictable naming conventions.

Each check runs and reports independently — fixing one doesn't hide the other.

Each check runs independently — fixing the routing issue doesn't hide the separate naming issue still being flagged.
The validator writes a short [Validation] note directly onto the offending event, turning a failure into a specific next action.

Validation leads to a fix, not just a red flag

Beyond a pass/fail result, the validator reports an issue category and the affected event path, selects the offending events in FMOD, and writes a short [Validation] note directly onto the event with correction guidance — clearing any prior validation note before writing the current result.

Production / team use

Used by the whole audio team, not just one person.

The validator was deployed to the project's audio team of around 2–3 sound designers. It regularly caught routing and naming issues during bank builds that would otherwise have needed manual checking.

Result

Part of the team's regular workflow.

It became part of the team's regular bank-build workflow.

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