fixed readme of record & play audio tutorial

x4nth055 · x4nth055 · commit 4af2c5f7bd4d · 2020-02-19T11:14:54.000+01:00
diff --git a/general/recording-and-playing-audio/README.md b/general/recording-and-playing-audio/README.md
@@ -22,7 +22,7 @@ To run this:
     ```
     python audio_recorder.py -d 5 -o recorded.wav
     ```
-- To play audio, there are 3 options (`audio_player_1.py` using [playsound](), `audio_player_2.py` using [pydub](), `audio_player_3.py` using [pyaudio]()):
+- To play audio, there are 3 options (`audio_player_playsound.py` using [playsound](https://pypi.org/project/playsound/), `audio_player_pydub.py` using [pydub](https://github.com/jiaaro/pydub), `audio_player_pyaudio.py` using [pyaudio](https://people.csail.mit.edu/hubert/pyaudio/)), if you want to play `audio_file.mp3`::
     ```
-    python audio_player.py --help
+    python audio_player_playsound.py audio_file.mp3
     ```
diff --git a/general/recording-and-playing-audio/audio_player_playsound.py b/general/recording-and-playing-audio/audio_player_playsound.py
@@ -1,3 +1,4 @@
 from playsound import playsound
+import sys
 
-playsound("recorded.wav")
+playsound(sys.argv[1])
diff --git a/general/recording-and-playing-audio/audio_player_pyaudio.py b/general/recording-and-playing-audio/audio_player_pyaudio.py
@@ -1,7 +1,8 @@
 import pyaudio
 import wave
+import sys
 
-filename = "audio_file.wav"
+filename = sys.argv[1]
 
 # set the chunk size of 1024 samples
 chunk = 1024
diff --git a/general/recording-and-playing-audio/audio_player_pydub.py b/general/recording-and-playing-audio/audio_player_pydub.py
@@ -1,8 +1,9 @@
 from pydub import AudioSegment
 from pydub.playback import play
+import sys
 
 # read MP3 file
-song = AudioSegment.from_mp3("audio_file.mp3")
+song = AudioSegment.from_mp3(sys.argv[1])
 # song = AudioSegment.from_wav("audio_file.wav")
 # you can also read from other formats such as MP4
 # song = AudioSegment.from_file("audio_file.mp4", "mp4")
