Cerri Lisa is an independent sound production and acoustic research portal. We publish peer-reviewed technical blueprints, loudness compliance protocols (EBU R128 / ITU-R BS.1770), and interactive acoustic calculators for studio engineers, film post-producers, and media architects.
Our informational platform bridges theoretical physics and practical studio application. Explore our core areas of technical documentation and consulting intelligence.
Formulas and geometric methodologies for modal distribution, axial standing wave mitigation, and porous absorption coefficient optimization in critical control rooms.
Explore Room Physics →Comprehensive guidelines for multi-track stem delivery, dialogue spectral de-noising, phase alignment, and dynamic range preservation for television and cinema.
View Stem Architecture →In-depth manuals on EBU R128, ATSC A/85, and streaming platform normalization curves (Spotify, Apple Music, YouTube, Netflix True Peak protocols).
Read Compliance Guide →Binaural HRTF rendering, Dolby Atmos bed-and-object workflows, and hyper-realistic transient layering for audiovisual storytelling.
Spatial Sound Workflows →Calculate your estimated reverberation decay time (RT60) based on room volume and porous acoustic treatment coverage. Adjust the sliders below for live mathematical simulation.
Accurately plan your multi-track storage requirements and broadcast bandwidth for high-resolution PCM audio files across standard sample rates and channel formats.
Explore our authoritative educational articles written for audio professionals, studio acousticians, and media creators.
Loudness & Standards
A thorough breakdown of integrated loudness (-23.0 LUFS), maximum short-term loudness, and true-peak measurement protocols across European broadcast networks.
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Acoustics
Mathematical analysis of low-frequency standing waves below the Schroeder frequency (fs) and practical velocity vs pressure absorption placement strategies.
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Spatial Audio
Practical techniques for head-related transfer function (HRTF) phase management, bed-channel panning, and dynamic binaural fold-down verification.
Read Full Research →Independent testimonials from sound supervisors, broadcast technicians, and acoustic studio designers who rely on our research documentation.
“The EBU R128 compliance sheets and RT60 calculators published by Cerri Lisa have become our primary reference point for calibrating dialogue tracks for European co-productions. Exceptional scientific precision.”
“Finding trustworthy acoustic calculations that factor in both Sabine and Eyring formulas without marketing bias is rare. The technical blueprints here saved our project weeks of troubleshooting.”
“Cerri Lisa provides the definitive resource for audiovisual media stem formatting. Clear, compliant, and backed by verifiable French enterprise credentials (SIREN 993 418 664).”
Common questions regarding our sound engineering whitepapers, loudness calibration tools, and technical consulting services.
Submit your inquiry regarding studio acoustic design, loudness auditing, or media sound post-production.