From c73118ae493405f1c0275a15bbbc4d0cdc7a862a Mon Sep 17 00:00:00 2001
From: Nick Mowen <nickmowen213@gmail.com>
Date: Mon, 19 Jun 2023 15:13:23 -0600
Subject: [PATCH] Add const for float

---
 frigate/const.py        | 2 +-
 frigate/events/audio.py | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/frigate/const.py b/frigate/const.py
index 9ebe6b573..3495da28e 100644
--- a/frigate/const.py
+++ b/frigate/const.py
@@ -14,9 +14,9 @@ BTBN_PATH = "/usr/lib/btbn-ffmpeg"
 
 # Audio Consts
 
-AUDIO_DETECTOR = "audio-detector"
 AUDIO_DURATION = 0.975
 AUDIO_FORMAT = "s16le"
+AUDIO_MAX_BIT_RANGE = 32768.0
 AUDIO_SAMPLE_RATE = 16000
 
 # Regex Consts
diff --git a/frigate/events/audio.py b/frigate/events/audio.py
index 00e9990db..8e9c711ae 100644
--- a/frigate/events/audio.py
+++ b/frigate/events/audio.py
@@ -19,6 +19,7 @@ from frigate.config import CameraConfig, FrigateConfig
 from frigate.const import (
     AUDIO_DURATION,
     AUDIO_FORMAT,
+    AUDIO_MAX_BIT_RANGE,
     AUDIO_SAMPLE_RATE,
     CACHE_DIR,
 )
@@ -146,7 +147,7 @@ class AudioEventMaintainer(threading.Thread):
         self.audio_listener = None
 
     def detect_audio(self, audio) -> None:
-        waveform = (audio / 32768.0).astype(np.float32)
+        waveform = (audio / AUDIO_MAX_BIT_RANGE).astype(np.float32)
         model_detections = self.detector.detect(waveform)
 
         for label, score, _ in model_detections: