diff --git a/dist/underbridge b/dist/underbridge
index 7a18685..e4d9143 100755
Binary files a/dist/underbridge and b/dist/underbridge differ
diff --git a/dist/underbridge_alt b/dist/underbridge_alt
deleted file mode 100755
index 1804965..0000000
Binary files a/dist/underbridge_alt and /dev/null differ
diff --git a/import pyaudio.py b/import pyaudio.py
deleted file mode 100644
index 2ace049..0000000
--- a/import pyaudio.py	
+++ /dev/null
@@ -1,7 +0,0 @@
-import pyaudio
-p = pyaudio.PyAudio()
-info = p.get_host_api_info_by_index(0)
-numdevices = info.get('deviceCount')
-for i in range(0, numdevices):
-        if (p.get_device_info_by_host_api_device_index(0, i).get('maxInputChannels')) > 0:
-            print("Input Device id ", i, " - ", p.get_device_info_by_host_api_device_index(0, i).get('name'))
\ No newline at end of file
diff --git a/underbridge.py b/underbridge.py
index 1cf38de..f0cba5d 100644
--- a/underbridge.py
+++ b/underbridge.py
@@ -24,6 +24,7 @@ mode_select=0
 addsec = 0
 projectpath = 0
 cancel = 0
+RATE = 0
 
 
 def getMIDIDevice():   
@@ -41,6 +42,7 @@ def getMIDIDevice():
 
 def getAudioDevice():
     global audio_device
+    global RATE
     p = pyaudio.PyAudio()
     try:
         info = p.get_host_api_info_by_index(0)
@@ -52,11 +54,21 @@ def getAudioDevice():
             #audio_device = p.get_device_info_by_host_api_device_index(0, i).get('name')
             if "OP-Z" in p.get_device_info_by_host_api_device_index(0, i).get('name') and (p.get_device_info_by_host_api_device_index(0, i).get('maxInputChannels')) > 0:
                 audio_device = i
-            
+        #audio_device = 4           
         print ("Detected OP-Z audio at Index:",audio_device, p.get_device_info_by_host_api_device_index(0, audio_device).get('name'))
     except:
         displaymsg.set("OP-Z Audio Device not found.")
 
+    devinfo = p.get_device_info_by_index(audio_device)  
+    try:         
+        devinfo = p.get_device_info_by_index(audio_device)  
+        test = p.is_format_supported(48100, input_device=devinfo['index'], input_channels=devinfo['maxInputChannels'],input_format=pyaudio.paInt16)
+        RATE = 48000
+        print("48kHz")
+    except:
+        RATE = 44100
+        print("44100kHz compatibility mode")    
+
 def getBPM():
     global op_device
     inport= mido.open_input(op_device)
@@ -173,11 +185,12 @@ def start_Rec():
     global pro
     global pattern_nr
     global audio_device
+    global RATE
 
     CHUNK = 128
     FORMAT = pyaudio.paInt16
     CHANNELS = 2
-    RATE = 48000
+    #RATE = 44100
     RECORD_SECONDS = loop_time
     WAVE_OUTPUT_FILENAME =  name_input.get()+ "_" + "track" + str(j+1) + ".wav"