diff --git a/speech.py b/speech.py
new file mode 100644
index 0000000..a07d400
--- /dev/null
+++ b/speech.py
@@ -0,0 +1,26 @@
+import speech_recognition as sr
+
+recognizer = sr.Recognizer()
+
+''' recording the sound '''
+
+with sr.Microphone() as source:
+    print("Adjusting noise ")
+    recognizer.adjust_for_ambient_noise(source, duration=1)
+    print("Recording for 4 seconds")
+    recorded_audio = recognizer.listen(source, timeout=4)
+    print("Done recording")
+
+''' Recorgnizing the Audio '''
+try:
+    print("Recognizing the text")
+    
+    text = recognizer.recognize_sphinx(
+            recorded_audio, 
+            language="de-DE"
+        )
+    print("Decoded Text : {}".format(text))
+
+except Exception as ex:
+    print(ex)
+    
\ No newline at end of file
diff --git a/visidatarc b/visidatarc
index df3b3be..89fb0fa 100644
--- a/visidatarc
+++ b/visidatarc
@@ -3,6 +3,11 @@
 from datetime import datetime
 import functools
 
+def tsfromtime(val, format):
+    import time
+    from calendar import timegm
+    utc_time = time.strptime(val, format)
+    return timegm(utc_time)
 
 def timefromts(val):
     try:
@@ -37,7 +42,7 @@ def vendor(mac):
     except ModuleNotFoundError:
         return "module not available"
 
-@functools.lru_cache()
+@functools.lru_cache(maxsize=1000)
 def _get_vt():
     try:
         from virus_total_apis import PublicApi as VirusTotalPublicApi
@@ -65,7 +70,7 @@ def vt_file(hash):
     return response
 
 
-@functools.lru_cache()
+@functools.lru_cache(maxsize=1000)
 def dns_lookup(domain, record='A'):
     if len(domain.split(",")) > 1:
         return ",".join([dns_lookup(x, record) for x in domain.split(",")])
@@ -111,7 +116,7 @@ def asn(ip, type="asn"):
     except:
         return ""
 
-@functools.lru_cache()
+@functools.lru_cache(maxsize=1000)
 def _ipinfo(ip):
     try:
         import requests
@@ -145,7 +150,7 @@ def mx_lookup(domain):
         return str(e)
 
 
-@functools.lru_cache()
+@functools.lru_cache(maxsize=1000)
 def grab_banner(ip, port=25):
     if len(ip.split(",")) > 1:
         return ",".join([grab_banner(x, port) for x in ip.split(",")])