diff --git a/html/lang/en.json b/html/lang/en.json
index 8947b4c..8323d88 100644
--- a/html/lang/en.json
+++ b/html/lang/en.json
@@ -23,9 +23,9 @@
       "press": "Pressure"
     },
     "noise": {
-      "title": "Decibel Meter",
-      "description": "Noise sensor on I2C port.",
-      "headerI2c": "I2C Port"
+      "title": "NSRT MK4",
+      "description": "NSRT MK4 sound level meter on USB port.",
+      "headerUsb": "USB Port"
     },
     "envea": {
       "title": "Envea Probe",
diff --git a/html/lang/fr.json b/html/lang/fr.json
index 88a20de..4683d78 100644
--- a/html/lang/fr.json
+++ b/html/lang/fr.json
@@ -23,9 +23,9 @@
       "press": "Pression"
     },
     "noise": {
-      "title": "Sonomètre",
-      "description": "Capteur bruit sur le port I2C.",
-      "headerI2c": "Port I2C"
+      "title": "NSRT MK4",
+      "description": "Sonomètre NSRT MK4 sur port USB.",
+      "headerUsb": "Port USB"
     },
     "envea": {
       "title": "Sonde Envea",
diff --git a/html/launcher.php b/html/launcher.php
index 53f23c7..e4b63f4 100755
--- a/html/launcher.php
+++ b/html/launcher.php
@@ -832,7 +832,7 @@ if ($type == "envea_debug") {
 }
 
 if ($type == "noise") {
-    $command = '/var/www/nebuleair_pro_4g/sound_meter/sound_meter';
+    $command = 'sudo /usr/bin/python3 /var/www/nebuleair_pro_4g/sound_meter/read.py';
     $output = shell_exec($command);
     echo $output;
 }
diff --git a/html/sensors.html b/html/sensors.html
index 963b778..820444a 100755
--- a/html/sensors.html
+++ b/html/sensors.html
@@ -265,35 +265,43 @@
 
 
     function getNoise_values() {
-      console.log("Data from I2C Noise Sensor:");
+      console.log("Data from NSRT MK4 Noise Sensor:");
       $("#loading_noise").show();
 
       $.ajax({
         url: 'launcher.php?type=noise',
-        dataType: 'text',
-        method: 'GET', // Use GET or POST depending on your needs
+        dataType: 'json',
+        method: 'GET',
         success: function (response) {
           console.log(response);
           const tableBody = document.getElementById("data-table-body_noise");
           tableBody.innerHTML = "";
           $("#loading_noise").hide();
 
-          // Create an array of the desired keys
-          const keysToShow = ["Noise"];
-          // Add only the specified elements to the table
-          keysToShow.forEach(key => {
-            if (response !== undefined) { // Check if the key exists in the response
-              const value = response;
-              $("#data-table-body_noise").append(`
-                                    <tr>
-                                        <td>${key}</td>
-                                        <td>${value} DB</td>
-                                    </tr>
-                                `);
-            }
+          if (response.error) {
+            $("#data-table-body_noise").append(`
+              <tr><td colspan="2" class="text-danger">${response.error}</td></tr>
+            `);
+            return;
+          }
+
+          const rows = [
+            { label: "LEQ", value: response.LEQ + " dB" },
+            { label: "dB(A)", value: response.dBA + " dBA" },
+            { label: "Weighting", value: response.weighting },
+            { label: "Tau", value: response.tau + " s" }
+          ];
+          rows.forEach(row => {
+            $("#data-table-body_noise").append(`
+              <tr>
+                <td>${row.label}</td>
+                <td>${row.value}</td>
+              </tr>
+            `);
           });
         },
         error: function (xhr, status, error) {
+          $("#loading_noise").hide();
           console.error('AJAX request failed:', status, error);
         }
       });
@@ -496,21 +504,18 @@
           container.innerHTML += i2C_BME_HTML; // Add the I2C card if condition is met
         }
 
-        //creates i2c sound card
+        //creates NSRT MK4 noise sensor card (USB)
         if (config.NOISE) {
-          const i2C_HTML = `
+          const noiseHTML = `
       <div class="col-sm-3">
         <div class="card">
-          <div class="card-header" data-i18n="sensors.noise.headerI2c">
-            Port I2C
+          <div class="card-header" data-i18n="sensors.noise.headerUsb">
+            Port USB
           </div>
           <div class="card-body">
-            <h5 class="card-title" data-i18n="sensors.noise.title">Decibel Meter</h5>
-            <p class="card-text" data-i18n="sensors.noise.description">Capteur bruit sur le port I2C.</p>
+            <h5 class="card-title" data-i18n="sensors.noise.title">NSRT MK4</h5>
+            <p class="card-text" data-i18n="sensors.noise.description">Sonomètre NSRT MK4 sur port USB.</p>
             <button class="btn btn-primary mb-1" onclick="getNoise_values()" data-i18n="common.getData">Get Data</button>
-            <br>
-            <button class="btn btn-success" onclick="startNoise()" data-i18n="common.startRecording">Start recording</button>
-            <button class="btn btn-danger" onclick="stopNoise()" data-i18n="common.stopRecording">Stop recording</button>
             <div id="loading_noise" class="spinner-border spinner-border-sm" style="display: none;" role="status"></div>
             <table class="table table-striped-columns">
               <tbody id="data-table-body_noise"></tbody>
@@ -519,7 +524,7 @@
         </div>
       </div>`;
 
-          container.innerHTML += i2C_HTML; // Add the I2C card if condition is met
+          container.innerHTML += noiseHTML;
         }
 
         //creates MH-Z19 CO2 card
diff --git a/sound_meter/read.py b/sound_meter/read.py
new file mode 100644
index 0000000..3a02623
--- /dev/null
+++ b/sound_meter/read.py
@@ -0,0 +1,34 @@
+'''
+  ____   ___  _   _ _   _ ____
+ / ___| / _ \| | | | \ | |  _ \
+ \___ \| | | | | | |  \| | | | |
+  ___) | |_| | |_| | |\  | |_| |
+ |____/ \___/ \___/|_| \_|____/
+
+python3 /var/www/nebuleair_pro_4g/sound_meter/read.py
+
+Read current values from NSRT MK4 Sound Level Meter (USB /dev/ttyACM0)
+Used by the web interface "Get Data" button via launcher.php
+'''
+
+import json
+import nsrt_mk3_dev
+
+try:
+    nsrt = nsrt_mk3_dev.NsrtMk3Dev('/dev/ttyACM0')
+
+    leq_level = nsrt.read_leq()
+    weighted_level = nsrt.read_level()
+    weighting = nsrt.read_weighting()
+    time_constant = nsrt.read_tau()
+
+    data = {
+        "LEQ": round(leq_level, 2),
+        "dBA": round(weighted_level, 2),
+        "weighting": str(weighting),
+        "tau": time_constant
+    }
+    print(json.dumps(data))
+
+except Exception as e:
+    print(json.dumps({"error": str(e)}))