[demo] update cosine score

app.py

@@ -29,7 +29,7 @@ OUTPUT_OK = (STYLE + """
         <div class="row"><h1 class="display-1 text-success" style="text-align: center">{:.1f}%</h1></div>
         <div class="row"><h1 style="text-align: center">similar</h1></div>
         <div class="row"><h1 class="text-success" style="text-align: center">Welcome, human!</h1></div>
-        <div class="row"><small style="text-align: center">(You must get at least 50% to be considered the same person)</small><div class="row">
+        <div class="row"><small style="text-align: center">(You must get at least 73% to be considered the same person)</small><div class="row">
     </div>
 """)
 OUTPUT_FAIL = (STYLE + """
@@ -38,7 +38,7 @@ OUTPUT_FAIL = (STYLE + """
         <div class="row"><h1 class="display-1 text-danger" style="text-align: center">{:.1f}%</h1></div>
         <div class="row"><h1 style="text-align: center">similar</h1></div>
         <div class="row"><h1 class="text-danger" style="text-align: center">Warning! stranger!</h1></div>
-        <div class="row"><small style="text-align: center">(You must get at least 50% to be considered the same person)</small><div class="row">
+        <div class="row"><small style="text-align: center">(You must get at least 73% to be considered the same person)</small><div class="row">
     </div>
 """)
 
@@ -112,7 +112,7 @@ def speaker_verification(audio_path1, audio_path2, lang='CN'):
                                                                     -1))[0][0]
     cos_score = (cos_score + 1) / 2.0
 
-    if cos_score >= 0.5:
+    if cos_score >= 0.73:
         output = OUTPUT_OK.format(cos_score * 100)
     else:
         output = OUTPUT_FAIL.format(cos_score * 100)