fix little issue on audio recorder tutorial

Author: x4nth055

general/recording-and-playing-audio/audio_recorder.py

@@ -34,7 +34,7 @@
 
 frames = []
 print("Recording...")
-for i in range(int(44100 / chunk * record_seconds)):
+for i in range(int(sample_rate / chunk * record_seconds)):
     data = stream.read(chunk)
     # if you want to hear your voice while recording
     # stream.write(data)