录音前逐项调整摆位与增益，用同句复测定位输入问题

本页展示随包原生输入和验收参考。目标产品运行状态：未运行。表格与图片不代表产品已经生成的结果。

input.csv / practice-data.json

本课实际输入字段

trial	changed	distanceCm	gain
baseline	none	None	None
distance	distance only	None	same as baseline
gain	gain only	frozen	None
room	absorption only	frozen	frozen

reference.csv：作者验收映射，不是目标API回包

dimension	acceptance
distance	read actual feedback
gain	read actual feedback and check clipping
echo	same script before/after

dimension	acceptance
distance	read actual feedback
gain	read actual feedback and check clipping
echo	same script before/after

trial	changed	fault	source	claim
A	distance+gain+noise filter	confounded
		no live room measurement	synthetic wav	room passed

先保存真实产品输出，再逐项对照。actualOutput / actualResult 在未执行时保持 not_run，不能把这里的期望值复制成已测结果。