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https://github.com/xinnan-tech/xiaozhi-esp32-server.git
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update: 声纹识别添加相似度阈值检查机制
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@@ -148,6 +148,9 @@ voiceprint:
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- "test1,张三,张三是一个程序员"
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- "test2,李四,李四是一个产品经理"
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- "test3,王五,王五是一个设计师"
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# 声纹识别相似度阈值,范围0.0-1.0,默认0.4
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# 数值越高越严格,减少误识别但可能增加拒识率
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similarity_threshold: 0.4
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# #####################################################################################
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# ################################以下是角色模型配置######################################
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@@ -19,6 +19,8 @@ class VoiceprintProvider:
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self.original_url = config.get("url", "")
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self.speakers = config.get("speakers", [])
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self.speaker_map = self._parse_speakers()
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# 声纹识别相似度阈值,默认0.4
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self.similarity_threshold = float(config.get("similarity_threshold", 0.4))
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# 解析API地址和密钥
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self.api_url = None
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@@ -62,7 +64,7 @@ class VoiceprintProvider:
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# 进行健康检查,验证服务器是否可用
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if self._check_server_health():
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self.enabled = True
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logger.bind(tag=TAG).info(f"声纹识别已启用: API={self.api_url}, 说话人={len(self.speaker_ids)}个")
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logger.bind(tag=TAG).info(f"声纹识别已启用: API={self.api_url}, 说话人={len(self.speaker_ids)}个, 相似度阈值={self.similarity_threshold}")
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else:
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self.enabled = False
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logger.bind(tag=TAG).warning(f"声纹识别服务器不可用,声纹识别已禁用: {self.api_url}")
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@@ -169,12 +171,14 @@ class VoiceprintProvider:
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logger.bind(tag=TAG).info(f"声纹识别耗时: {total_elapsed_time:.3f}s")
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# 置信度检查
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if score < 0.5:
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logger.bind(tag=TAG).warning(f"声纹识别置信度较低: {score:.3f}")
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# 相似度阈值检查
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if score < self.similarity_threshold:
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logger.bind(tag=TAG).warning(f"声纹识别相似度{score:.3f}低于阈值{self.similarity_threshold},拒绝识别")
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return "未知说话人"
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if speaker_id and speaker_id in self.speaker_map:
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result_name = self.speaker_map[speaker_id]["name"]
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logger.bind(tag=TAG).info(f"声纹识别成功: {result_name} (相似度: {score:.3f})")
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return result_name
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else:
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logger.bind(tag=TAG).warning(f"未识别的说话人ID: {speaker_id}")
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