Audio Engineer's Rack

Goal

Gain structure, room, and monitoring that measure right.

Instrument chain

1. 01
   dB SPL / dBu / dBV Converter

   reference levels

   VERIFIED
2. 02
   Gain Staging / dB Sum Calculator

   summing

   VERIFIED
3. 03
   dBFS / Audio Level Calculator

   digital headroom

   VERIFIED
4. 04
   Sample Rate / Nyquist Frequency Checker

   digital limits

   VERIFIED
5. 05
   Bit Depth Dynamic Range Calculator

   noise floor

   VERIFIED
6. 06
   Latency / Buffer Size Calculator

   monitoring

   VERIFIED
7. 07
   Comb Filtering / Phase Cancellation Predictor

   mic placement

   VERIFIED
8. 08
   Room Modes Calculator (Axial)

   room

   VERIFIED
9. 09
   Passive Crossover Frequency Calculator

   speakers

   VERIFIED
10. 10
    Speaker Impedance Load Calculator (Series/Parallel)

    amp load

    VERIFIED
11. 11
    Sound Level Distance Attenuation (Inverse Square Law)

    placement levels

    VERIFIED

Handoffs and cross-checks

Levels chain dBu→dBFS; room modes + comb filters share speaker/listener geometry.

PointGuard stance

Distinguish coherent vs uncorrelated summation every time levels are added (+6 vs +3 dB).

Sources and evidence

These pointers bind the page to evidence. They do not grant authority or collapse verification into deployment.

• INSTRUMENT_COMBOS.json
• VERIFIED_LEDGER.json