Mastering Calibration Standard EBU R128 / ITU

Mastering Channel Inserts DISCRETE (01-07)

01 // SPECTRAL RETOUCH SURGERY

Time-Frequency patch interpolation • De-click • 60Hz hum comb filter

MODE: INTERPOLATE EVENTS: 3 REPAIRS ATTEN: -9.4 dB

02 // STEREO MATRIX (M/S)

Sub-Bass mono collapse (<120Hz) • 10kHz side air shelf

MONO LOCK: 120 Hz (4th-Ord) SIDE AIR: +1.4 dB

03 // PSYCHOACOUSTIC SUB HARMONICS f₀→2f₀/3f₀

Missing fundamental synthesis (35-70Hz) • Even/Odd harmonics for mobile translation

SPLIT: 62 Hz HARMONICS: 2nd+3rd BLEND: 42%

04 // DYNAMIC RESONANCE & DE-ESS SOOTHE/WEISS

Split-band linear-phase FIR • Auto-tracking dynamic notch suppression (3.2k-9.8kHz)

BAND: 4.8k - 9.2k NOTCHES: 4 ACTIVE MAX GR: -3.4 dB

05 // CLASS-A TRIODE STAGE

Asymmetric non-linear waveshaping • 2nd/4th harmonic drive

BIAS OFFSET: 0.06 ASYM TUBE DRIVE: +2.4 dB

06 // VARI-MU OPTICAL GLUE

Program-dependent envelope • Soft knee dynamic respiration

RATIO: 2.2:1 (SOFT KNEE) DECAY: 220 ms

07 // AEGIS TRUE-PEAK SHIELD

4x polyphase FIR oversampling • Inter-sample guardrail • TPDF dither

CEILING: -1.01 dBTP DITHER: 24-BIT TPDF

Continuous Analog Potentiometers LINKED STEREO BUS

Class-A Triode Harmonic Drive: +2.4 dB

Vari-Mu Optical Respiration: 220 ms

10kHz Stereo Side Air Shimmer: +1.4 dB

Psychoacoustic Sub Harmonic Blend: 42% (2nd+3rd)

Dynamic Resonance Depth (Soothe/Weiss): -3.4 dB (Active)

BWF BEXT & RIFF IENG METADATA EMBEDDED ON EXPORT

Engineer:

RIFF SUBCODE: CWAL Master Archival ISRC: US-CW1-26-00001

CERTIFICATION: CWAL-M VERIFIED BWF ORIGINATOR: CW_AUDIO_LABS

Display:

+6 dBFS INTER-SAMPLE OVERDRIVE THRESHOLD

-1.0 dBTP CERTIFIED CWAL-M HARD BARRIER

-11.0 LUFS COMMERCIAL TARGET ZONE (LRA ±5.4 LU)

-24 dBFS RESIDUAL NOISE FLOOR

-48 dBFS SUB-HARMONIC SPECTRUM

120Hz MONO ρ = 1.0

20Hz 60Hz 120Hz 250Hz 500Hz 1kHz 2.5k 5k 10k 20kHz

ITU-R BS.1770-4 / EBU R128 MULTI-WINDOW ANALYSIS K-WEIGHTED RLB FILTER

ABS GATE: -70.0 LKFS REL GATE: -10.0 LU TARGET LRA: 4.0 - 7.0 LU

Sliding Ballistic Ladders EBU LIVE

TARGET -11.0 LUFS

MAX SHORT-TERM -8.0

-10.4

M (400ms)

-10.8

S (3.0s)

-11.0

I (GATED)

MAX M: -9.8

MAX S: -10.2

GATE: ACTIVE

Loudness Range (LRA) Percentile Gating (10% - 95%) LRA = 5.4 LU (NATURAL)

P10: -14.2 P95: -8.8

EBU R128 LRA evaluates dynamic macro-contrast between verses and choruses without compression squashing.

COMPLIANCE STATUS: EBU R128 / ITU-R BS.1770-4 CERTIFIED VALID MACRO DYNAMICS SCORE: EXCELLENT (NO HEAVY PUMPING)

INTEGRATED (I) LRA: 5.4 LU

-11.0

S: -10.8 | M: -10.4

TRUE PEAK GUARD OK

-1.01 dBTP

DYNAMIC CREST PUNCHY

6.8 Crest dB

PHASE ρ (MONO) COHERENT

+0.96 W: 114%

MASTER BUS "He Will" — Master Production Mix.wav • 04:15.22 • 96kHz / 32F

01:47.30

FORMAT: 24-BIT / 96kHz BWF WAV • CWAL-M CERTIFIED EMBEDDED

SELAH INTERNAL WORKBENCH • TIER TWO ENHANCED DISPATCH • CREATIVE WORKS AUDIO LABS

The song comes first. Listen before delivery.

LOCAL BROWSER RUN: ALL 31 DSP TESTS PASSED

Source stays unchanged • Bounded dynamics • Strict -1.0 dBTP ceiling

01 / INTAKE

Source Audio & Metadata

Original WAV

HE WILL 5 23 24.wav

48kHz/24b

Track Title

Artist

ISRC (optional) RIFF Injected

Your source stays unchanged. This preview processes one track locally and retains files only for this browser session.

Optional EQ before dynamics. Neutral by default. These are listening-test choices, not automatic diagnosis.

Bypass tonal EQ

Low shelf • 120 Hz • dB: -0.5

High shelf • 8 kHz • dB: -0.25

Processing stops below internal target to protect crest factor.

MASTER DENSITY

65 %

Single-Knob Defensive Saturation & Gain Matrix

TIER TWO SELAH MODE A

Drag up/down or scroll wheel

COLOR PROFILE: TRANSPARENT (-14 LUFS)

02 / CREATIVE WORKS REVIEW

Listen before delivery.

Render ready. Target and file checks passed.

Compression: 0.17 dB maximum; peak control: 0.57 dB maximum. Contrast audit: PASS. Processing applied; see stage details.

INTEGRATED LOUDNESS • FULL TRACK

-18.58 LUFS → -14.12 LUFS +4.46 LU

Target: -14.00 LUFS Ceiling: -1.01 dBTP

STEREO & BASS ASSESSMENT

Phase: ρ = +0.96 (COHERENT)

Sub-120Hz: MONO ANCHORED

Side Bass: -18.4 dB

Fold-down: 0.0 dB Loss

Compare the result

Match playback loudness

Original • native level • monitor adjustment 0.00 dB

2:42 / 4:01

MONITOR BUS: MASTER (STATE B)

Certified CW Audio Labs Master Quality Gate (CWAL-M)

MASTERING HOUSE DELIVERY BUNDLE (1-CLICK)

OPERATOR SECURITY & AUTHORIZATION CLEARANCE

The song comes first. Listen before delivery.

Source Audio & Metadata

Listen before delivery.

Approved Song Reference Registry