vad: rename VADAnalyzer arguments

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to **pipecat** will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.0.13] - 2024-05-14
+
+### Changed
+
+- `VADAnalyzer` arguments have been renamed for more clarity.
+
 ## [0.0.12] - 2024-05-14
 
 ### Added
@@ -159,7 +165,7 @@ a bit.
 
 ### Added
 
-- Added project optional dependencies [silero,openai,...].
+- Added project optional dependencies `[silero,openai,...]`.
 
 ### Changed
 

src/pipecat/vad/vad_analyzer.py

@@ -19,22 +19,22 @@ class VADAnalyzer:
 
     def __init__(
             self,
-            sample_rate,
-            num_channels,
-            vad_confidence=0.5,
-            vad_start_s=0.2,
-            vad_stop_s=0.8):
+            sample_rate: int,
+            num_channels: int,
+            vad_confidence: float = 0.5,
+            vad_start_secs: float = 0.2,
+            vad_stop_secs: float = 0.8):
         self._sample_rate = sample_rate
         self._vad_confidence = vad_confidence
-        self._vad_start_s = vad_start_s
-        self._vad_stop_s = vad_stop_s
+        self._vad_start_secs = vad_start_secs
+        self._vad_stop_secs = vad_stop_secs
         self._vad_frames = self.num_frames_required()
         self._vad_frames_num_bytes = self._vad_frames * num_channels * 2
 
-        vad_frame_s = self._vad_frames / self._sample_rate
+        vad_frames_per_sec = self._vad_frames / self._sample_rate
 
-        self._vad_start_frames = round(self._vad_start_s / vad_frame_s)
-        self._vad_stop_frames = round(self._vad_stop_s / vad_frame_s)
+        self._vad_start_frames = round(self._vad_start_secs / vad_frames_per_sec)
+        self._vad_stop_frames = round(self._vad_stop_secs / vad_frames_per_sec)
         self._vad_starting_count = 0
         self._vad_stopping_count = 0
         self._vad_state: VADState = VADState.QUIET