TRASHAPPS / AUDIO WORKBENCH
LOCAL AUDIO · NO UPLOADS
LISTEN CLOSE. MIX BETTER.

TrashFreq0.3 ALPHA

Your ears, with a second opinion.

Ready when you are. Connect an input to start listening. Your microphone is never routed to the speakers.
Input gain SOFTWAREApplied to RTA, Ring-Out, meters and recordings.
0 dB · unity

Raises signal and noise together; use hardware gain first where available. Cannot repair device clipping. Changing gain clears SPL calibration. Keep post-gain peaks below 0 dBFS to avoid clipping recordings. Live input only; visual demo bypasses gain.

01
Audio sourceNO INPUT CONNECTED
THE BIG PICTURE

Real-time analyzer

STANDBY
A LITTLE QUIET IN HERE.Connect your mic or interface to see the spectrum.
LIVE PEAK HOLD
FFT: — · BIN: —
Hz— dBMove across the graph to inspect

FFT magnitude in dB relative to digital full scale; windowed bin levels are not broadband meter readings.

KEEP IT IN CHECK

Input level · post gain

NO OVERLOAD
—RMS · dBFS
—SAMPLE PEAK · dBFS
−60−36−18−60

Reference calibration

OPTIONAL

Digital levels above are post-gain dBFS; software boost raises them. A reference can provide an estimated acoustic level.

UNCALIBRATEDNo SPL measurement. Requires a known acoustic reference, suitable mic and unchanged input gain.
FIND THE TROUBLEMAKER

Ring-Out Mode

WATCHING FOR FEEDBACK— Hz

Enable with a live input. Persistent narrow peaks appear here.

Requires 700 ms persistence. Detector uses raw bins, independent of display smoothing.

Candidate history 0

No candidates yet. We’re all ears.

Candidates are suggestions, not confirmed feedback. Music and test tones can trigger detection. Confirm by ear before changing EQ. No automatic notching.

MAKE SOME (CONTROLLED) NOISE

Tone generator

MUTED

Uses the browser’s current output device. Start with hardware volume low. Esc mutes; switching tabs mutes. No input monitoring.

KEEP THE TAKE

Field recorder / TrashTracks lite

LOCAL ONLY
●
00:00Selected mono input · browser-native format

Your takes will appear here. Record, listen back, download.

Input only; generator is excluded electrically. Playback can be picked up acoustically. Download takes before leaving: recordings stay in this tab’s memory. 15 minute limit per take.

A FEW THINGS FROM THE CREW

Good data starts at the input.

Use HTTPS or localhost. Choose an interface and measurement mic when accuracy matters. Browser processing is requested off, but devices may apply their own DSP. Channel access, sample rate and recording formats depend on the browser and hardware.

Keep the input gain fixed after calibration. This alpha is a mixing aid, not a certified sound level meter or hearing safety instrument. Setup & field guide ↗