bump to 0.9.4

CMakeLists.txt

@@ -4,7 +4,7 @@
 # CMakeLists in this exact order for cmake to work correctly
 cmake_minimum_required(VERSION 3.16)
 
-set(PROJECT_VER "0.9.3")
+set(PROJECT_VER "0.9.4")
 
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(xiaozhi)

main/application.cc

@@ -411,10 +411,12 @@ void Application::OutputAudio() {
     std::unique_lock<std::mutex> lock(mutex_);
     if (audio_decode_queue_.empty()) {
         // Disable the output if there is no audio data for a long time
+        if (chat_state_ == kChatStateIdle) {
             auto duration = std::chrono::duration_cast<std::chrono::seconds>(now - last_output_time_).count();
             if (duration > max_silence_seconds) {
                 codec->EnableOutput(false);
             }
+        }
         return;
     }