Sourdaw
SOURDAW

Precision Mastering Suite

Proof

Comprehensive mastering chain for final loudness, imaging, and tonal balance. The professional finish your tracks deserve.

Tab 01 / Play

Master Bus Reference

Optimized for final delivery, Proof anchors your output to professional standards. Drive the gain with confidence knowing your mix is protected.

Select STREAMING or CLUB targets, and Proof instantly anchors your output ceiling to match the platform, ensuring your audio translates perfectly across any system.

PROOF
Init
Play
Shape
Build
Route
Lab
B (WET)
IN -∞ LUFSOUT -∞ LUFSTP -∞ dBTP
Init
Streaming Master
CD Master
Club / DJ
Broadcast (EBU R128)
Podcast
Warm Master
Clean & Transparent
Loud & Present
Vintage Tape
EDM / Club
Hip-Hop / R&B
Classical / Acoustic
TARGET
Streaming (-14 LUFS)
CD (-9 LUFS)
Club / DJ (-6 LUFS)
Broadcast (-23 LUFS)
Podcast (-16 LUFS)
INPUT-∞LUFS
OUTPUT-∞LUFS
Integrated: -∞Short-term: -∞Correlation: 1.00
CEILING
-1.0 dBTP
Tab 02 / Shape

Integrated Signal Path

A high-fidelity signal path designed for ultimate tonal control and professional cohesion.

Signal flows from the EQ stage into multi-band DYNAMICS, passing through IMAGING before final peak limiting. A comprehensive safety net for professional mixing.

PROOF
Init
Play
Shape
Build
Route
Lab
B (WET)
IN -∞ LUFSOUT -∞ LUFSTP -∞ dBTP
IN
EQ
DYNAMICS
IMAGER
EXCITER
LIMITER
EQ
Output Gain0.0 dB
DYNAMICS
Threshold-20.0 dB
IMAGER
Width1.0
EXCITER
Drive0.2
LIMITER
Ceiling-1.0 dBTP
Tab 03 / Build

Deep Parametric Control

Fine-tune every aspect of your master with deep parametric control over every stage of the process.

Expand the stereo field selectively per-band using the IMAGER, drive targeted tape saturation, and tune your dither settings directly for clinical audio precision.

PROOF
Init
Play
Shape
Build
Route
Lab
B (WET)
IN -∞ LUFSOUT -∞ LUFSTP -∞ dBTP
EQON
1001k10k
30
0.0
Q0.7
HP v
L/R v
80
0.0
Q0.7
Lo Shelf v
L/R v
250
0.0
Q1.0
Peak v
L/R v
800
0.0
Q1.0
Peak v
L/R v
2.5k
0.0
Q1.0
Peak v
L/R v
6.0k
0.0
Q1.0
Peak v
L/R v
12.0k
0.0
Q0.7
Hi Shelf v
L/R v
18.0k
0.0
Q0.7
LP v
L/R v
MULTIBAND DYNAMICSON
Crossovers:
120
1.0k
8.0k
SUB0.0 dB
Thr
Ratio
Atk
Rel
LOW-MID0.0 dB
Thr
Ratio
Atk
Rel
HI-MID0.0 dB
Thr
Ratio
Atk
Rel
HIGH0.0 dB
Thr
Ratio
Atk
Rel
STEREO IMAGERON
Sub
Mono
Low-Mid
80%
Hi-Mid
100%
High
130%
Auto Mono Bass
80 Hz
Correlation
1.00
HARMONIC EXCITEROFF
SubOFF
Tapev
Drive
Blend
Low-MidOFF
Tapev
Drive
Blend
Hi-MidOFF
Tapev
Drive
Blend
HighOFF
Tapev
Drive
Blend
LIMITERON
Ceiling
-1.0 dBTP
Release
100 ms
Lookahead
5.0 ms
GR 0.0 dB
True Peak -∞
Dither
Off v
Bits:
16 v
Tab 04 / Lab

Loudness Analytics

Comprehensive metering for momentary, short-term, and integrated outputs. Optimized for every platform.

Track your momentary, short-term, and integrated outputs against the LOUDNESS HISTORY target curve. Ensure your dynamic range is perfectly optimized before final delivery.

PROOF
Init
Play
Shape
Build
Route
Lab
B (WET)
IN -∞ LUFSOUT -∞ LUFSTP -∞ dBTP
LOUDNESS HISTORY
-6-12-18-24-36-48
-14 LUFS
TONAL BALANCE
1001k10k
Harman Target
Momentary LUFS
-∞LUFS
Short-term LUFS
-∞LUFS
Integrated LUFS
-∞LUFS
True Peak
-∞dBTP
LRA
0.0LU
Correlation
1.00
Reset Integrated LUFS + True Peak
INPUT
-∞
LUFS
OUTPUT
-∞
LUFS
GAIN APPLIED
dB