The Sony Z9F is better than the Sony Z9D, unless you watch movies in the dark from directly in-front. The Z9F is much brighter in SDR, and a bit brighter in HDR. The 2018 Z9F has much better motion handling, with a significantly faster response time, and less input lag, great for gaming. The Z9F also has faster smart features, running a newer version of the Android TV operating system. The Z9D is a bit better in a dark room, as it has a better contrast ratio and better local dimming feature but the image degrades rapidly when viewed at an angle.
我参与设计、建设过专业的影院,声学设计是很重要同时也很专业的,主要问题回声对声音的干扰,所以墙面和天花都需要使用吸声材质。家庭影院如果做不到独立封闭式空间,那就是名义上的而非实质的影院了。这样一个半专业的影院,装修成本、设备成本应该不是普通人承受范围内,大户人家会找专业人士来做的。
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