feat(python tcp server): allow ASR device setting

tcp_server/settings.json

@@ -1,6 +1,7 @@
 {
   "asr": {
-    "rms_threshold": 196
+    "rms_threshold": 196,
+    "device": "auto"
   },
   "tts": {},
   "wake_word": {}

tcp_server/src/lib/asr/api.py

@@ -66,7 +66,7 @@ class ASR:
         self.channels = 1
         self.rate = 16000
         self.frames_per_buffer = 1024
-        self.rms_threshold = get_settings('asr')['rms_threshold']
+        self.rms_threshold = get_settings('asr')['']
         # Duration of silence after which the audio data is considered as a new utterance (in seconds)
         self.silence_duration = 1
         """

tcp_server/src/lib/tcp_server.py

@@ -8,6 +8,7 @@ import string
 import threading
 
 import lib.nlp as nlp
+from .utils import get_settings
 from .asr.api import ASR
 from .tts.api import TTS
 from .constants import (
@@ -120,7 +121,7 @@ class TCPServer:
                 'data': {}
             })
 
-        self.asr = ASR(device='auto',
+        self.asr = ASR(device=get_settings('asr')['device'],
                        interrupt_leon_speech_callback=interrupt_leon_speech_callback,
                        transcribed_callback=transcribed_callback,
                        end_of_owner_speech_callback=end_of_owner_speech_callback,