support for different type of sound cards

.asoundrc

@@ -1,13 +1,13 @@
-pcm.my_usb_sound_device {
+pcm.my_sound_device {
 	type hw
 	card USB
 	device 0
 }
 
-pcm.my_usb_sound_device_with_converter {
+pcm.my_sound_device_with_converter {
 	type plug
 	slave {
-		pcm my_usb_sound_device
+		pcm my_sound_device
 		format S16_LE
 	        channels 2
 		rate 48000

README.md

@@ -45,7 +45,7 @@ The recordings must be edited a little bit so some audio processing tool is need
 Configuration
 -------------
 
-If your sound device is other then USB type then modify and adapt the line `hw:CARD=USB,DEV=0` in ALSA config
+If your sound device is other then USB type then change the line `card USB` in ALSA config
 > `nano .asoundrc`
 
 Install the ALSA config file

dog-trainer.py

@@ -4,8 +4,8 @@ from datetime import datetime
 import subprocess
 import sys
 
-PLAY_DEVICE = "my_usb_sound_device_with_converter"  # as defined in '~/.asoundrc'
-REC_DEVICE = "my_usb_sound_device"  # as defined in '~/.asoundrc'
+PLAY_DEVICE = "my_sound_device_with_converter"  # as defined in '~/.asoundrc'
+REC_DEVICE = "my_sound_device"  # as defined in '~/.asoundrc'
 MAX_RECORDING_TIME = 30  # limit recordings to only e.g. 30 seconds long
 TRIM_RECORDING_END = 0.8  # remove the clicking noise from the end of recordings
 RECORD_BUTTON_PRESS_TIME = 2  # pressing and holding a button longer then e.g. 2 seconds triggers recording otherwise playing