diff --git a/network_audio_streaming/audio_sink.py b/network_audio_streaming/audio_sink.py
index 418b883..fef735b 100644
--- a/network_audio_streaming/audio_sink.py
+++ b/network_audio_streaming/audio_sink.py
@@ -4,7 +4,7 @@ import numpy as np
 import asyncio
 
 PORT = 50007
-SAMPLERATE = 44100
+SAMPLERATE = 16000
 CHANNELS = 1
 CHUNK = 1024
 
diff --git a/network_audio_streaming/audio_source.py b/network_audio_streaming/audio_source.py
index 50abad6..7fe4bd4 100644
--- a/network_audio_streaming/audio_source.py
+++ b/network_audio_streaming/audio_source.py
@@ -3,9 +3,11 @@ import sounddevice as sd
 import numpy as np
 
 # Settings
-IP = '10.42.0.231' # when rpi is connected to the ethernet socket of the laptop
+#IP = '10.42.0.231' # when rpi is connected to the ethernet socket of the laptop
+IP = '0.0.0.0' # same as the laptop for local testing
+
 PORT = 50007
-SAMPLERATE = 44100
+SAMPLERATE = 16000
 CHANNELS = 1
 CHUNK = 1024