Stabilize Athena Talk audio delivery

integrations/openclaw-athena-talk/dist/index.js

@@ -107,6 +107,7 @@ class AthenaTalkBridge {
     prefixBytes = 0;
     silenceTimer;
     active;
+    transcribing = false;
     generation = 0;
     constructor(req, cfg) {
         this.req = req;
@@ -122,6 +123,8 @@ class AthenaTalkBridge {
     sendAudio(chunk) {
         if (!this.isConnected() || chunk.length === 0)
             return;
+        if (this.transcribing || this.active)
+            return;
         const voiced = pcmRms(chunk) >= this.cfg.vadThreshold;
         const maxPrefix = Math.round(24000 * 2 * this.cfg.prefixPaddingMs / 1000);
         if (!this.speaking) {
@@ -132,12 +135,6 @@ class AthenaTalkBridge {
             }
             if (!voiced)
                 return;
-            if (this.active) {
-                this.active.abort();
-                this.active = undefined;
-                this.generation += 1;
-                this.req.onClearAudio?.("barge-in");
-            }
             this.speaking = true;
             this.speech = this.prefix;
             this.prefix = [];
@@ -187,17 +184,22 @@ class AthenaTalkBridge {
         this.speech = [];
         if (pcm.length < 24000 * 2 * 0.25)
             return;
+        this.transcribing = true;
         try {
             const text = await this.transcribe(pcm);
             if (!text || !this.isConnected())
                 return;
             this.req.onTranscript?.("user", text, true);
+            this.transcribing = false;
             await this.answer(text);
         }
         catch (error) {
             if (error.name !== "AbortError")
                 this.req.onError?.(error);
         }
+        finally {
+            this.transcribing = false;
+        }
     }
     async transcribe(pcm) {
         const form = new FormData();
@@ -217,7 +219,8 @@ class AthenaTalkBridge {
     async answer(prompt) {
         if (!this.req.runAgentConsult)
             throw new Error("OpenClaw agent-consult is unavailable");
-        this.active?.abort();
+        if (this.active)
+            return;
         const controller = new AbortController();
         this.active = controller;
         const generation = ++this.generation;
@@ -229,17 +232,18 @@ class AthenaTalkBridge {
             const text = String(result?.text || "").trim();
             if (!text)
                 return;
+            this.req.onEvent?.({ direction: "server", type: "response.created", responseId });
             this.req.onTranscript?.("assistant", text, true);
             const pcm = await this.synthesize(text, controller.signal);
             if (generation !== this.generation || !this.isConnected())
                 return;
-            const frameBytes = 24000 * 2 / 50;
+            const frameBytes = 24000 * 2 / 10;
             for (let offset = 0; offset < pcm.length; offset += frameBytes) {
                 if (controller.signal.aborted || generation !== this.generation || !this.isConnected()) {
                     return;
                 }
                 this.req.onAudio?.(pcm.subarray(offset, Math.min(offset + frameBytes, pcm.length)));
-                await new Promise((resolve) => setTimeout(resolve, 20));
+                await new Promise((resolve) => setTimeout(resolve, 80));
             }
             this.req.onResponseDone?.({ status: "completed", responseId });
             this.req.onEvent?.({ direction: "server", type: "response.done", responseId });
@@ -289,8 +293,8 @@ export default definePluginEntry({
                 transports: ["gateway-relay"],
                 inputAudioFormats: [AUDIO_FORMAT],
                 outputAudioFormats: [AUDIO_FORMAT],
-                supportsBargeIn: true,
-                handlesInputAudioBargeIn: true,
+                supportsBargeIn: false,
+                handlesInputAudioBargeIn: false,
                 supportsToolCalls: true,
                 supportsSessionResumption: false,
             },