Removed SNR

index.html

@@ -549,10 +549,12 @@ <h6 class="fs-6">Audio Library:<a class="circle new-circle me-2" tabindex="-1" d
                             Not available in the BirdNET model">?</a>
                         </div>
                     </div>
-                    <div class="chirpity-only me-auto">
+                    <!-- <div class="chirpity-only me-auto"> -->
+                    <div class="d-none me-auto">
                         <div class="form-group rounded p-2 mb-2">
-                            <a class="circle" tabindex="-1" data-bs-toggle="popover" data-bs-trigger="focus" data-bs-title="Signal to Noise Ratio" id="Signal to Noise Ratio-circle-help"  data-bs-content="Skip over portions of audio with just background noise. Higher values skip increasingly noisy segments.
-                            Not available in the BirdNET model">?</a>
+                            <a class="circle text-bg-danger" tabindex="-1" data-bs-toggle="popover" data-bs-html="true" data-bs-trigger="focus" data-bs-title="Signal to Noise Ratio" id="Signal to Noise Ratio-circle-help"  data-bs-content="The SNR filter, when enabled, will skip over portions of audio where any audio event is below the threshold. Higher values skip increasingly noisy segments. 
+                            whilst this will result in faster processing it must be considered <b><i>experimental</i></b> and any non-zero value may miss detections. <b>Tip:</b> To find a workable SNR value, run analysis on a short file with the faintest detections you can confidently identify. Increase the SNR value until the detection is not picked up. 
+                            Once you find this threshold, back it off to the highest level that picks up the detection.">?</a>
                             <label for="snrValue" class="form-label">
                                 SNR filter:
                             </label>

js/model.js

@@ -272,7 +272,7 @@ class Model {
         if (BACKEND === 'webgl' && TensorBatch.shape[0] < this.batchSize && !this.selection) {
             // WebGL backend works best when all batches are the same size
             paddedTensorBatch = this.padBatch(TensorBatch)  // + 1 tensor
-        } else if (threshold) {
+        } else if (threshold && BACKEND === 'tensorflow' && !this.selection) {
             if (this.version !== 'v1') threshold *= 4;
             const keysTensor = tf.stack(keys); // + 1 tensor
             const snr = this.getSNR(TensorBatch)

js/ui.js

@@ -1786,6 +1786,10 @@ window.onload = async () => {
             };
         //fill in defaults - after updates add new items
         syncConfig(config, defaultConfig);
+
+        // Disable SNR
+        config.filters.SNR = 0;
+
         // set version
         config.VERSION = VERSION;
         // switch off debug mode we don't want this to be remembered