Sound Mix Troubleshooting & Compliance Verification
Diagnose audio mixing issues and validate compliance with broadcast/streaming standards
What You Can Do
You can systematically diagnose audio mixing problems by analyzing technical specifications, loudness levels, dynamic range, metadata, and format consistency. This skill validates your mix against multiple standards simultaneously—ATSC A/85, EBU R128, CALM Act, Netflix, Amazon, and more—then generates prioritized corrective action plans. You'll receive root-cause analysis for intelligibility issues, format inconsistencies, and compliance failures, enabling you to resolve problems efficiently before final delivery.
Features
Identifies the source of mixing problems (loudness, dynamic range, phase, frequency balance, metadata) rather than just symptoms
Checks compliance against ATSC A/85, EBU R128, CALM Act, Netflix, Amazon Prime Video, and other platform specifications simultaneously
Ensures 5.1, stereo, Dolby Atmos, and other audio formats maintain technical coherence across stems and masters
Diagnoses dialogue clarity issues across different playback systems (studio monitors, small speakers, mobile devices, hearing-impaired audio)
Generates technical reports and metadata checklists for international deliverables and broadcast submission
Ranks which mix elements to address first based on compliance impact and deadline constraints
Evaluates inherited or problematic mixes for technical condition and required remediation scope
Validates LUFS levels, true peak measurements, and dynamic range compliance across platforms
Example Output
Example 1: Loudness Compliance Diagnosis
Input: Final mix fails Netflix QC (measured -23 LUFS, -2 dBTP; Netflix requires -27 LUFS ±2, -2 dBTP max)
Output:
- Problem: Mix is 4 LUFS too loud overall
- Root cause: Master chain compression too aggressive; dialogue stem 2 dB hotter than spec
- Action items: (1) Reduce master output -3 dB, (2) Re-balance dialogue stem -2 dB, (3) Verify no true peak violations after adjustment
- Estimated effort: 45 minutes
Example 2: Intelligibility Issue Across Formats
Input: Dialogue clear on studio 5.1 mix, unintelligible on stereo downmix for streaming
Output:
- Problem: Center channel dialogue compressed to near-inaudible levels in Lt/Rt stereo fold-down
- Root cause: Over-aggressive center channel filtering; insufficient headroom in dialogue stem
- Action items: (1) Adjust center channel EQ to reduce proximity to masking frequencies, (2) Increase dialogue stem headroom +2 dB, (3) Validate downmix on reference headphones
- Estimated effort: 30 minutes
Example 3: International Compliance Checklist
Output:
- ✓ EBU R128: -23 LUFS (integrated), -1 dBTP
- ✓ ATSC A/85: -24 LKFS, -2 dBTP
- ✗ CALM Act (dialogue loudness): Measure dialogue gate and adjust
- ✓ Metadata: All audio descriptions, SDH flags present
- ✗ Dolby Atmos validation: Re-check object placement in spatial channels
What's Included
- SKILL.md instruction file with complete troubleshooting workflow and diagnostic framework:
- Audio Compliance Checklist: Standards requirements for ATSC A/85, EBU R128, CALM Act, Netflix, Amazon Prime Video, Apple TV+, and YouTube
- Mix Assessment Template: Structured form for capturing format specs, loudness measurements, format details, and identified issues
- Corrective Action Worksheet: Prioritization matrix and action planning template for mix revisions
- International Deliverable Metadata Guide: Specifications for audio descriptions, hearing-impaired audio, and subtitle synchronization across platforms
Who It's For
- Post-production supervisors managing final audio QC and compliance before broadcast/streaming delivery
- Re-recording mixers inheriting problematic mixes and needing rapid diagnostic assessment
- Audio engineers troubleshooting intelligibility or loudness issues across playback systems
- Broadcast technical coordinators validating compliance across multiple delivery standards and platforms
- International content producers managing multi-territory audio specifications and metadata requirements
Best For
- Final mix QC and compliance validation before platform submission
- Loudness and dynamic range correction against ATSC, EBU, CALM Act, and streaming platform specs
- Format consistency verification across 5.1, stereo, Dolby Atmos, and other deliverables
- Dialogue intelligibility diagnosis and remediation across different playback systems
- Mix revision prioritization when multiple problems exist and deadline/budget constraints apply
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