From 57753e1b1e169369bdc83f3945ce5246c844b316 Mon Sep 17 00:00:00 2001
From: cai <cai@nbcai.cc>
Date: Thu, 09 Jul 2026 14:50:44 +0800
Subject: [PATCH] feat: callback runtime events

---
 src/main.rs |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index cf7cb4f..69ae2df 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -2258,8 +2258,8 @@
             rms_threshold: f64_env("CV_VAD_RMS_THRESHOLD", 0.012),
             peak_threshold: f64_env("CV_VAD_PEAK_THRESHOLD", 0.08),
             start_frames: u32_env("CV_VAD_START_FRAMES", 5).max(1),
-            end_silence_ms: u64_env("CV_VAD_END_SILENCE_MS", 700).max(100),
-            min_speech_ms: u64_env("CV_VAD_MIN_SPEECH_MS", 300).max(1),
+            end_silence_ms: u64_env("CV_VAD_END_SILENCE_MS", 400).max(100),
+            min_speech_ms: u64_env("CV_VAD_MIN_SPEECH_MS", 250).max(1),
             max_turn_ms: u64_env("CV_VAD_MAX_TURN_MS", 10_000).max(1_000),
             initial_ignore_ms: u64_env("CV_VAD_INITIAL_IGNORE_MS", 500),
         }
@@ -2372,7 +2372,9 @@
             return None;
         }
 
-        let voiced = rms >= self.config.rms_threshold || peak >= self.config.peak_threshold;
+        // Align with cb-sdk's energy-based segmentation: peak is diagnostic only,
+        // otherwise isolated spikes can keep a turn open until max_turn_ms.
+        let voiced = rms >= self.config.rms_threshold;
         if !self.in_speech {
             self.remember_pre_speech_frame(frame);
         }

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