A secondary advantage is that by setting the microphone gain to a conservative (low) level, it is easier to avoid clipping.

第二个好处是，将麦克风增益设置为保守(低)级别，可有效避免削波。

youdao

If the toy has a clearly defined operating cycle, measure the time average (the equivalent continuous) sound pressure level in each microphone position during at least one whole cycle.

如果被测玩具有明显的运行周期，至少在一个完整周期内测得每个麦克风的按时平均(均等连续)声压水平。

youdao

Both the XA20 and XA25 (pictured after the break) carry the same 20X lens, DIGIC DV 4 processing, WiFi and OLED display as their home-oriented cousin, but throw in pro-level expansion such as XLR microphone inputs and holders, independent audio level adjustment and (on the XA25) SDI connectors.

ENGADGET

For added flexibility, the EOS Rebel T5i also features a built-in stereo microphone with manual audio level adjustment to enhance sound quality.

ENGADGET: Canon unveils EOS T5i and Rebel SL1, the world's smallest DSLR (hands-on)

Combine these offline capabilities with device APIs that allow web apps to access hardware features like cameras, battery level, microphone, etc and Mozilla could effectively break down the barriers not only between HTML5 and native apps, but between high-end mobile devices and low.

FORBES: Third Way: What If Microsoft Threw Its Weight Behind Mozilla's Firefox OS?