DSP Routing And Dynamics Workflow
Use one sheet per DSP preset or test program. Record the exact path and measured result so the setup can be repeated.
1. Project And Hardware
Date / project:
Operator:
DSP / model / revision:
Firmware / project file:
Sample rate:
Program / preset name:
Scope / DMM / analyzer:
Bench or vehicle voltage:
2. Complete Signal Flow
Physical input and source:
Input buffer / ADC / digital receiver:
Input trim and meter location:
Routing / summing matrix:
EQ / crossover / delay / bass processing:
Dynamics detector and controlled gain path:
Output trim / meter / DAC / line stage:
Amplifier / load / driver:
3. Matrix And Physical Outputs
| Output | Physical connector | Input contributions | Coefficient units | Post gain | Verified? |
|---|---|---|---|---|---|
| 1 | |||||
| 2 | |||||
| 3 | |||||
| 4 | |||||
| 5+ |
- ☐ one output verified at a time
- ☐ channel identity and polarity verified
- ☐ protective bandwidth verified
- ☐ duplicate and parallel paths checked
- ☐ all presets checked
4. Summing And Correlation
Sum purpose:
Maximum expected correlation:
Input L coefficient:
Input R coefficient:
Equivalent gain per input:
Expected coherent sum:
Measured sum meter:
Measured analog output:
Left-only / right-only / mono / polarity-inverted / noise / music results:
5. Mute, Slew, And Preset Sequencing
Mute location:
Affected channels:
Ramp / slew type:
Transition time:
Source-switch / crossfade curve:
Fail-safe state:
Preset-load order:
Power-up / power-down / reset / communication-loss result:
6. Dynamics Detector
Detector tap point:
Peak / RMS / combo / external:
Sidechain filters:
Detector gain / calibration:
Independent / linked-max / average / other:
External detector latency / polarity:
7. Compressor Or Dynamics Curve
Threshold / custom curve:
Ratio:
Knee:
Attack:
Hold:
Release / decay:
Makeup / post gain:
Block location:
| Input level | Detector level | Gain reduction | Output level | Notes |
|---|---|---|---|---|
8. Limiter And Protection Verification
Intended controlled limit:
Displayed threshold:
Attack / lookahead:
Hold / release:
Measured transient overshoot:
Measured steady ceiling:
DSP analog output limit:
Amplifier input sensitivity:
Amplifier gain / bridge mode:
Supply / load / temperature:
Frequencies, burst lengths and sustained tests:
Separate thermal and excursion checks:
9. Final Gate
- ☐ all meters mapped to exact nodes
- ☐ physical input and output identity confirmed
- ☐ coherent summing margin verified
- ☐ preset and source transitions captured without unsafe transient
- ☐ detector path and channel link documented
- ☐ compressor curve and timing measured
- ☐ limiter threshold distinguished from measured ceiling
- ☐ no downstream gain defeats the limiter
- ☐ analog output and amplifier clipping rechecked
- ☐ speaker thermal and excursion limits treated separately
- ☐ project, screenshots and measurements saved
Final conclusion:
Known limitations / next test:
Companion lesson: Signal Flow, Routing, Summing, And Dynamics.