A product by Sonare Studio
EBU R128 · ATSC A/85 · 12 broadcast presets

Know your levels.
Before you deliver.

Professional loudness compliance for broadcast engineers. Analyse any audio file against EBU R128 and 11 other broadcaster standards in seconds.

Download on the App Store See all features ↓
WAV
RadioCommercial_master_EBUR128.wav
48000 Hz · 2ch · 24-bit · 29.97s
✓ Compliant
Integrated Loudness
−23 LUFS (±1 LU)
−22.9 LUFS
PASS
True Peak
≤ −1 dBTP
−4.2 dBTP
PASS
Loudness Range
≤ 15 LU
3.1 LU
PASS
Sample Rate
48000 Hz
48000 Hz
PASS
Designed for mobile

Your studio in your pocket.

Full compliance checking on iPhone and iPad. Open files from anywhere, get results instantly.

  • Import from Files, AirDrop or Share Sheet — works with any audio app on iOS.
  • Instant results — native analysis engine, no upload, no waiting.
  • Export trimmed files — share directly from the app via AirDrop or Files.
  • Works offline — all analysis happens on-device, no internet required.
  • iPhone and iPad — adapts to any screen size.
09:41●●● WiFi 100%
LoudCheck
2 Total
1 Pass
1 Fail
WAVSpot_RTL_v2.wav✓ Pass
Integrated−23.1PASS
True Peak−3.8PASS
LRA2.8 LUPASS
WAVPromo_DPG_draft.wav✗ Fail
Integrated−21.2FAIL
True Peak−2.1PASS
Bit Depth16-bitFAIL
Analyse
History
Presets
See it in action

Watch the demo.

A quick walkthrough showing how to check, fix, and deliver a broadcast-compliant file in under two minutes.

Before and after

From fail to broadcast-ready.

See exactly what changes when you fix a non-compliant file.

✗ Non-compliantBefore
Integrated Loudness
−23 LUFS (±1 LU)
−21.2 LUFS
FAIL
True Peak
≤ −1 dBTP
−1.8 dBTP
PASS
Loudness Range
≤ 15 LU
4.2 LU
PASS
Bit Depth
24-bit required
16-bit
FAIL
Start Trim (−40 dBFS)
Sample 0 must be ≥ −40 dBFS
sample 160
FAIL
✓ CompliantAfter
Integrated Loudness
−23 LUFS (±1 LU)
−23.0 LUFS
PASS
True Peak
≤ −1 dBTP
−3.2 dBTP
PASS
Loudness Range
≤ 15 LU
4.2 LU
PASS
Bit Depth
24-bit required
24-bit
PASS
Start Trim (−40 dBFS)
Sample 0 must be ≥ −40 dBFS
−38.4 dBFS
PASS
What it checks

Every parameter.
At a glance.

No more guessing whether a file will pass QC.

EBU R128 loudness
Full gated integrated loudness per ITU-R BS.1770 with short-term and momentary analysis.
True peak detection
Inter-sample peak measurement catches clips that sample-peak metering misses entirely.
Loudness range
LRA checks dynamic variation stays within broadcaster limits.
Format compliance
Sample rate and bit depth verified against your target spec.
Waveform preview
Visual waveform with threshold markers shows exactly where trim issues are.
Phase correlation
Mono compatibility score warns you before a stereo file causes cancellation issues on broadcast.
Trim detection
Detects silence at head and tail with exact sample and millisecond detail.
12 broadcaster presets
DPG, NPO, RTL, BBC, Netflix, Spotify and more — switch spec in one tap.
Broadcaster presets

Deliver to anyone.

Switch between 12 built-in broadcaster specs with one tap.

EBU R128
DPG Media (NL)
NPO (NL)
Talpa (NL)
RTL (NL)
BBC (UK)
ATSC A/85
Netflix
Spotify
Apple Music
YouTube
Podcast (AES)
−23
Target LUFS (EBU R128)
−1
Max True Peak (dBTP)
15
Max LRA (DPG)
24
Required bit depth
Pricing

Simple pricing.
No subscription.

Pay once, use forever. All future updates included.

LoudCheck
€9.99
one-time purchase · no subscription
  • EBU R128 loudness analysis
  • True peak & LRA measurement
  • Waveform preview
  • Phase correlation meter
  • 12 broadcaster presets
  • Trim detection with sample accuracy
  • Session history
  • Files app & AirDrop support
  • All future updates
Download on the App Store
Products

Tools that earn their place
in your workflow.

Every Sonare Studio app solves one problem, and solves it completely.

Available now · iOS & macOS
LoudCheck

EBU R128 broadcast loudness compliance in seconds. Check integrated loudness, true peak, LRA, phase correlation, and format specs against 12 broadcaster presets — including DPG, NPO, RTL, BBC, Netflix and more.

€9.99 · One-time purchase · No subscription
Download on the App Store Learn more →
WAV
RadioCommercial_master_EBUR128.wav
48000 Hz · 2ch · 24-bit · 29.97s
✓ Pass
Integrated Loudness
−23 LUFS (±1 LU)
−22.9 LUFS
PASS
True Peak
≤ −1 dBTP
−4.2 dBTP
PASS
Loudness Range
≤ 15 LU
3.1 LU
PASS
Sample Rate
48000 Hz
48000 Hz
PASS
In development · macOS
SFX Tagger

Batch rename and tag SFX library files. Built for Hollywood Edge, Sound Ideas and other major libraries. Keeps your archive consistent and searchable.

Coming soon
In development
More tools

Dialogue diarization, delivery pipeline tools, and more — built around the real workflows of audio post production.

Announced soon
About

Built by engineers,
for engineers.

Sonare Studio makes tools for the parts of audio production that are still unnecessarily manual — compliance checking, library management, dialogue separation, delivery pipelines.

Every app is native, offline-first, and built around the way broadcast engineers actually work.

01
Native, not web-wrapped
Built for macOS and iOS using platform-native frameworks. Fast, reliable, and works exactly like the rest of your tools.
02
Offline and private
All processing happens on your device. Your audio never leaves your machine, and there are no accounts or subscriptions.
03
One price, forever
Pay once, own it forever. All future updates included. No tiers, no upsells, no monthly fees.
04
Built for broadcast
Tools validated against real broadcaster specs — DPG, NPO, RTL, BBC and more. Not generic, not approximate.

Privacy policy

Last updated: January 2025

No data collection

Sonare Studio apps do not collect, store, transmit, or share any personal data. All audio analysis happens entirely on your device. No audio files, metadata, or usage data ever leaves your machine.

No analytics

Our apps do not include any third-party analytics, tracking SDKs, or advertising frameworks. There is no telemetry of any kind.

No account required

No account, login, or registration is required. Preferences are stored locally and never synced to any server.

Audio files

Audio files you open are read locally for analysis only. They are not uploaded anywhere. Exported files are written to your device's local storage and shared via the standard system share sheet.

Contact

Questions? Contact us at support@sonare.studio