scoring_breakdown:[{"source":"word_of_mouth","score":93.8,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户一致认为降噪效果顶级,能隔绝绝大部分环境噪音,尤其适合飞机、地铁等嘈杂环境。佩戴舒适度极高,长时间使用无夹头感。音质中性耐听,人声和乐器分离度好。缺点是价格较高,不支持高解析度音频编码(如LDAC),且收纳盒体积偏大。整体口碑极佳,是降噪耳机的\"舒适标杆\"。","source_count":0}},{"source":"objective","score":94,"weight":0.5,"confidence":0.7,"details":{"dimension":"battery","rating_avg":4.7,"review_count":38000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":94,"weight":0.15,"confidence":1,"details":{"rating_avg":4.7,"review_count":38000,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["科技博主@钟文泽:QC45的降噪和舒适度依然是第一梯队,戴上去世界就安静了。","音频专家@耳机吧小吧:声音干净无染,适合长时间聆听,不累耳朵。"]}}]