Acoustic Interferometer

Speaker: Loading...

Microphone: Loading...

Noise Profile:

Sample (Hz):

Duration (s):

Volume: 100%

Live Camera

Real-time Sensor Data

Gas Control

Select Gas:

Purge (s): (max: 60)

Status: Idle

Heater Control

Power (%):

Current Setting

Sensor Readings

Sensor	Value	Unit
Lab Temperature	--	°C
Lab Pressure	--	kPa
Lab Humidity	--	%RH
Gas Flow	--	slm
Thermocouple 1	--	°C
Thermocouple 2	--	°C
Gas Sensor Temp	--	°C

Settings

Audio Configuration

Speaker:

Microphone:

Default Buffer Size:

Display Downsample Factor:

Audio Diagnostics & Calibration

Microphone Sensitivity:

-inf dB

Test Signals:

Auto Gain Calibration:

Sweeps output levels to find the maximum safe volume before distortion or hardware limits are reached. 100% on the main slider will be mapped to this limit.

Idle

Configuration Panels

Multi-User Access Control

Configure how the instrument handles concurrent web users.

Local User Only

Standard single-user lab mode. No remote lockout.

Open / Dynamic System

First-come control. Automatic handover after 3 mins of inactivity.

Reserved Checkout

Users must "Claim" the system for a fixed duration.

Connected Users

No users connected.

Plot Settings

Temperature plot sensors:

	Thermocouple 1
	Thermocouple 2
	Lab Temperature
	Gas Sensor Temp
	Humidity (%)

Plot Frequency:

FFT Settings

Default Points:

Window Function:

Segment Overlap:

Gas Mapping

Gas Name	Valve #	GPIO Pin

Low Flow Threshold (slm):

Max Purge Time (s):

Camera Configuration

🔒 Locked Datasets

Lock datasets to prevent users from deleting them. Locked datasets still appear in Sound Control and can be played and downloaded — only deletion is blocked. Unlock a dataset here to allow deletion again.

Lock a dataset:

Currently locked:

No datasets locked.

Hardware Configuration

ESP32 Board Connection

DISCONNECTED

Manual Port Selection

Interface Visibility

Main Tabs

Sound Control Tab Gas Control Tab

Gas Control Panels

Live Camera Sensor Charts Gas Control Heater Control Sensor Readings

External Status Display

A read-only status page is running on port 2080 and is accessible locally at http://localhost:2080.

Update Interval: (Refresh the status page after changing)

Data Management

Auto-save Recordings:

Maximum Stored Tracks:

Application Info

Version: 1.0.0

Last Updated: September 2025

Database: SQLite (acoustic_data.db)

Welcome to the Acoustic Interferometer Lab