diff --git a/src/bin.py b/src/bin.py
index 82a0358..4eba9bd 100644
--- a/src/bin.py
+++ b/src/bin.py
@@ -11,8 +11,9 @@ class bin:
     magnitudes = [10e-24, 10e-21, 10e-18, 10e-15, 10e-12, 10e-9, 10e-6, 10e-3, 1, 10e3, 10e6, 10e9, 10e12, 10e15]
     file = ''
 
-    def __init__(self, file):
+    def __init__(self, file, logger):
         self.file = file
+        self.logger = logger
 
     def data_to_unit(self, data):
         result = []
@@ -46,15 +47,15 @@ def convert(self):
         data = file_data[2048:]
         f.close()
 
-        print('channel_states: ', channel_states)
-        print('channel_volt_division: ', channel_volt_division)
-        print('channel_offset: ', channel_offset)
-        #print('digital_states: ', digital_states)
-        print('horizontal_list: ', horizontal_list)
-        print('wave_length: ', wave_length)
-        print('sample_rate: ', sample_rate)
-        #print('digital_wave_length: ', digital_wave_length)
-        #print('digital_sample_rate: ', digital_sample_rate)
+        self.logger.log('channel_states: ' + str(channel_states))
+        self.logger.log('channel_volt_division: ' + str(channel_volt_division))
+        self.logger.log('channel_offset: ' + str(channel_offset))
+        #self.logger.log('digital_states: ' + str(digital_states))
+        self.logger.log('horizontal_list: ' + str(horizontal_list))
+        self.logger.log('wave_length: ' + str(wave_length))
+        self.logger.log('sample_rate: ' + str(sample_rate))
+        #print('digital_wave_length: ' + str(digital_wave_length))
+        #print('digital_sample_rate: ' + str(digital_sample_rate))
 
         block_length = (1000000 if len(data) >= 14e6 or wave_length >= 1E6 else wave_length)
         block_number = int(wave_length // block_length)
diff --git a/src/decode.py b/src/decode.py
index 048b1a9..e2a6d25 100644
--- a/src/decode.py
+++ b/src/decode.py
@@ -4,6 +4,7 @@
 # Parameter: decode.py <input_file_or_folder> <output_folder>
 # Example: decode.py ../test/samples ./
 
+from multiprocessing import Process, Manager
 import time
 import os as os
 from bin import bin
@@ -13,9 +14,11 @@
 import json
 import statistics
 import argparse
+from logger import Logger
 
 start_time = 0
 last_time = 0
+logger = Logger()
 
 
 def calculate_error(current_pulse_length, single_pulse_length, pulse_count):
@@ -60,9 +63,9 @@ def write_output(path, data):
     return name
 
 
-def time_round():
+def time_round(logger):
     global last_time
-    print("Elapsed time:", round((time.perf_counter() - last_time)*1000), "ms")
+    logger.log("Elapsed time: " + str(round((time.perf_counter() - last_time)*1000)) + "ms")
     last_time = time.perf_counter()
 
 
@@ -75,47 +78,47 @@ def time_start():
 
 def time_overall():
     global start_time
-    print("Overall elapsed time:", round((time.perf_counter() - start_time) * 1000), "ms")
+    print("Overall elapsed time: " + str(round((time.perf_counter() - start_time) * 1000)) + "ms")
 
 
-def calculate(file):
-    print("# # # # # # # # # # # # # # # # # # # # # #")
-    print("Reading and converting binary data", file, "...")
-    raw_data = bin(file).convert()[0] #doesnt work for multiple channels, have to test if channel 2, 3 and 4 works. only testet first i think
+def calculate(file, logger):
+    logger.log("# # # # # # # # # # # # # # # # # # # # # #")
+    logger.log("Reading and converting binary data " + file + "...")
+    raw_data = bin(file, logger).convert()[0] #doesnt work for multiple channels, have to test if channel 2, 3 and 4 works. only testet first i think
     x, y = reformat_raw_data(raw_data)
     global ui_raw_data
     ui_raw_data = [x, y]
-    time_round()
+    time_round(logger)
 
-    print("Calculating threshold...")
+    logger.log("Calculating threshold...")
     threshold = max(y) / 2
-    print("Threshold:", threshold, "Volt")
-    time_round()
+    logger.log("Threshold: " + str(threshold) + "Volt")
+    time_round(logger)
 
-    print("Correct time offset...")
+    logger.log("Correct time offset...")
     y = [(True if i > threshold else False) for i in y]
-    time_round()
+    time_round(logger)
 
-    print("Removing doubled data points...")
+    logger.log("Removing doubled data points...")
     x, y = remove_redundant_data_points(x, y)
-    time_round()
+    time_round(logger)
 
-    print("Shifting time value so it starts at 0...")
+    logger.log("Shifting time value so it starts at 0...")
     x = [x[i] - min(x) for i in range(len(x))]
-    time_round()
+    time_round(logger)
     global ui_cleaned_data
     ui_cleaned_data = [x, y]
 
-    print("Getting shortest pulse length...")
+    logger.log("Getting shortest pulse length...")
     single_pulse_length = min([abs(x[i] - x[i + 2]) for i in range(len(y) - 2)])
-    print("Shortest pulse length:", format(single_pulse_length, '.12f'))
-    time_round()
+    logger.log("Shortest pulse length: " + format(single_pulse_length, '.12f'))
+    time_round(logger)
 
-    print("Decoding data...")
+    logger.log("Decoding data...")
     decoded_data, error = decode_normalized_data(x, y, single_pulse_length)
     decoded_string_data = ''.join(str(val) for val in decoded_data)
-    print("Decoded data:", decoded_string_data)
-    time_round()
+    logger.log("Decoded data: " + decoded_string_data)
+    time_round(logger)
 
     return {
         "date": datetime.now().strftime("%d.%m.%Y %H:%M:%S"),
@@ -146,6 +149,10 @@ def getArguments():
     return parser.parse_args()
 
 
+def calculateAsnyc(file, return_dict, logger):
+    return_dict[os.path.basename(file)] = calculate(file, logger)
+
+
 def main():
     time_start()
     args = getArguments()
@@ -156,16 +163,31 @@ def main():
 
     #Get all files
     file_paths = ([os.path.join(args.input, f) for f in os.listdir(args.input) if f.endswith('.bin')] if os.path.isdir(args.input) else [args.input])
+
     result = {}
-    for file in file_paths:
-        result[os.path.basename(file)] = calculate(file)
 
-    print("# # # # # # # # # # # # # # # # # # # # # #")
-    print("Writing output file...")
+    # Turn off logging and run multiple threads when there is more then 1 file
+    if len(file_paths) > 1:
+        logger.off()
+        threads = []
+        tempResult = Manager().dict()
+        for file in file_paths:
+            t = Process(target=calculateAsnyc, args=(file, tempResult, logger))
+            t.start()
+            threads.append(t)
+        for thread in threads:
+            thread.join()
+        result.update(tempResult)
+    else:
+        for file in file_paths:
+            result[os.path.basename(file)] = calculate(file, logger)
+
+    logger.log("# # # # # # # # # # # # # # # # # # # # # #")
+    logger.log("Writing output file...")
     path = write_output(args.output if args.output else "./", result)
-    print("Written file:", path)
+    logger.log("Written file: " + path)
     time_overall()
-    print("# # # # # # # # # # # # # # # # # # # # # #")
+    logger.log("# # # # # # # # # # # # # # # # # # # # # #")
     if len(file_paths) is 1 and args.graph:
         ui.showTwoGraphs(ui_raw_data, ui_cleaned_data)
 
diff --git a/src/logger.py b/src/logger.py
new file mode 100644
index 0000000..c7c8b14
--- /dev/null
+++ b/src/logger.py
@@ -0,0 +1,14 @@
+class Logger:
+
+    def __init__(self):
+        self.loggerActive = True
+
+    def log(self, value):
+        if self.loggerActive:
+            print(value)
+
+    def on(self):
+        self.loggerActive = True
+
+    def off(self):
+        self.loggerActive = False
diff --git a/test/test.py b/test/test.py
index 6dca37a..0f37b9e 100644
--- a/test/test.py
+++ b/test/test.py
@@ -19,7 +19,7 @@
 mainPath = args.script if args.script else mainPath
 inputPath = os.path.join(basePath, 'test\samples')
 outputPath = os.path.join(basePath, 'test\output')
-startCommand = ' '.join([mainPath, "-i=" + inputPath, "-o=" + outputPath])
+startCommand = ' '.join([mainPath, '-i="' + inputPath + '"', '-o="' + outputPath + '"'])
 
 #webfetchMainPath = os.path.join(basePath, 'src\webfetch.py')
 #webfetchOutputPath = os.path.join(basePath, 'test\webfetch_output')