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SIGNAL CHECK

Drop your track in. Get a visual breakdown of what's happening inside your mix. Free, instant, runs in your browser. Nothing gets uploaded.

How Signal Check works →

WHAT IS THIS TRACK?
DROP YOUR TRACK HERE
or click to browse — MP3, WAV, FLAC (50MB max)
01 WAVEFORM
0:00 / 0:00
L
R
NORMAL
HOT (>70%)
CLIPPING (>95%)
PLAYHEAD
GENRE
INTEGRATED LUFS
SHORT-TERM LUFS
MOMENTARY LUFS
WHAT AM I LOOKING AT?    
TEAL / REFERENCE LINESAverage level, streaming target, frequency curve. Guides, not hard rules.
GREEN / GOODThis reading sits in a clean range for the context you picked.
YELLOW / WORTH CHECKINGBorderline. Not wrong, but give it a listen before you commit.
RED / PROBLEMOver the line: clipping, phase, or a reading that needs a fix.

LOUDNESS

CHECK
LUFS-I

How loud your track is overall, and how far streaming platforms will turn it down to hit their target.

WHERE YOU LAND VS RELEASES
typical releases   your track

Reading levels.

FREQUENCY

CHECK
TONAL TILT

The balance of lows to highs across your track, which tells you whether it leans dark, bright, or even.

VS GENRE

Reading tonal balance.

REFERENCE TRACK

Drop a track you're chasing. It runs through the same analysis engine as yours, so the numbers are directly comparable: loudness, dynamics, and tonal balance, side by side. The tonal-balance overlay shows up on the Frequency chart above.

DROP YOUR REFERENCE TRACK HERE
or click to browse — MP3, WAV, FLAC (50MB max)

STEREO

CHECK
CORRELATION

How wide your mix sits across left and right, and whether that width survives when it collapses to mono.

PHASE SCOPE
CORRELATION METER
OUT OF PHASE (−1)MONO (+1)
PER-BAND MONO SAFETY (LOW / MID / HIGH)

Reading stereo field.

DYNAMIC RANGE

CHECK
CREST FACTOR

The gap between your loudest and average moments, which is what makes a track punch instead of feeling flat.

Reading dynamics.

CLIPPING & HEADROOM

OK
HEADROOM

Whether your peaks push past the ceiling, the point where some playback systems start to distort.

KISS (1-3 samples)
BRIEF (4-32 samples)
SUSTAINED (33+ samples)

Reading clipping.

HARSHNESS TEST

OK
2-5 kHz ZONE

Sharp resonances in the 2 to 5 kHz range, the zone that can make a mix tiring to listen to over time.

2–5 kHz RESONANCE
WHERE YOU LAND VS RELEASES

Reading harshness.

MASTERING READINESS

OK
READINESS

A plain checklist of whether your track is ready to release for the context you picked.

GRADED AS

Reading mastering readiness.

TRACK CHARACTER

OK
FEEL SCORE

The identifying details of the track: tempo, key, how busy it is, and how human versus programmed it reads.

/ 100

Reading track character.

Tempo and key are estimated from the audio, so confirm them by ear before trusting them. The feel score reads how much natural human variation is in the take: spectral richness, harmonic irregularity, and timing. Loose live playing scores high; tightly quantized or synth-driven tracks score lower. A lower score is about character, not quality.

SIGNAL SUMMARY

OK
SYSTEM STATUS

Reading the whole rack.

These readings are approximate and meant to give you a general picture of your mix. For precision metering, try Youlean Loudness Meter (free). Built by Beats With Kev.

Your verdict and fixes are graded against the genre and track type you pick. Change them and the score updates.

READING FILE...
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