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2015年2月4日水曜日

今朝の3分英語: ヘッドホンジャックを終焉に追い込むUSBとライトニングポート (Podcast in English)

ヘッドホンジャックが世の中から無くなる、という話題。
Φ3.5mmの標準。

USBで置き換えられちゃう、と。

ラジオ工作、BCL、アマチュア無線、ととても身近だったヘッドホン。
ジャックがUSBにジャックされ。。。


USB and lightning ports sound the death knell of the headphone jack The 3.5 mm headphone jack is ubiquitous on almost every mobile device in the market, including the latest ones with cutting-edge technology, such as smartphones, TVs, and audio systems. Invented in the 19th century, it is perhaps one of the longest surviving pieces of hardware. However, its days might be numbered because phone manufacturers are now opting for a universal USB port that can be used for charging as well as for audi

* Duration 2:04
* Published 2015/02/04 17:00:00
* Podcast Feed: 毎日3分ビジネス英語 WSJで世界を聴く! - Advanced (http://podcast.dowbe.com/advanced)