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Google 推出 Gemini 3.8 Live with Live Avatar，加入即時視訊化身
Google 於 9 月 24 日推出 Gemini 3.8 Live with Live Avatar，將低延遲串流影片與即時對話結合，加入近即時的視覺化身互動。該功能已在 Gemini Enterprise 提供，並支援 97 種語言的同步語音互動。
完整報導
Google 於 2026 年 9 月 24 日推出 Gemini 3.8 Live with Live Avatar，將 Gemini 的即時對話能力與低延遲串流影片結合，讓對話中的化身能聆聽、觀看並以動態視覺形象回應。Google 表示，功能支援精準唇形同步、自然表情與流暢輪替發言，並可同時處理視覺與音訊輸入。
這項功能也支援非同步工具呼叫：化身可在對話持續進行時於背景取得資料。Google 表示，語音同步涵蓋 97 種語言，切換語言時唇形與表情也會配合調整。Google 稱 Gemini 3.8 Live with Live Avatar 已於公布當日在 Gemini Enterprise 提供。
企業可使用參考圖片自訂化身；不過，自訂化身建立目前僅透過企業許可名單開放。Google 表示，AI 產品生成的音訊與影片會加上 SynthID 浮水印。這項發布延續 Google 在 Gemini 音訊方向的更新：公司前一天才公布 Gemini 3.8 Flash TTS 與 Gemini 3.8 Flash-Lite TTS 兩款文字轉語音模型。
為什麼值得注意
這次更新把視覺化身、即時語音對話與背景工具呼叫放進同一個企業功能中；對企業而言，重點在於它可用於需要邊互動邊取得資料的服務情境，而自訂化身目前仍受企業許可名單限制。與前一天公布的 TTS 模型相比，這次發布聚焦的是視訊化身與即時多模態對話。
來源證據
先看主要證據，再查看佐證來源與來源脈絡。
主要證據
1Introducing Gemini 3.8 Live with Live Avatar
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