对随机内附的耳麦我们没有什么抱怨，且手机针对噪音抑制的表现还不错，在吵杂的环境下约只需1～2秒就可启动。
We have no complaints about the earpiece's performance, and noise suppression isn't bad even in a noisy environment -- it takes just one or two seconds to adjust to your voice.
现在，我可以在任何地点进行这种自我调整了，（虽然我更喜欢在沙发或者柔软的大床上，但工作时间，能凑合上2张椅子已经很不错了）也可以无视那些吵杂的环境（除了人的说话声）。
Now, I can nap in almost any position where I can relax (lying across two chairs mostly works, though I still much prefer a couch or a bed).
酒吧也是如此，那些在老旧历史建物里的酒吧有较为宜人的声学环境，一般在平滑硬质墙面房间里的酒吧会让人觉得比较吵杂。
New pub locations usually have to contend with flat, unplastered walls where the level of surrounding noise is much higher than in cellar pubs.
如果你在一个吵杂的电子乐环境中吹奏，你几乎不需要话筒。
If you're playing in a loud electric setting, you wouldn't need a mic anymore.
但是840因为隔音效果，户外使用比不上750dj。750dj被设计来用在吵杂的夜店环境，于是在户外使用更有利。
While the SRH-840 can lack isolation when worn outdoors, the SRH-750DJ is designed to be used in noisy club environments, and would work better for outdoor USES.
但是840因为隔音效果，户外使用比不上750dj。750dj被设计来用在吵杂的夜店环境，于是在户外使用更有利。
While the SRH-840 can lack isolation when worn outdoors, the SRH-750DJ is designed to be used in noisy club environments, and would work better for outdoor USES.
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