検査で使用するヘッドホンのコネクタは通常の6.5mmプラグとやや異なることが多く、汎用の切替機が使えないことが多い。備忘録として掲載する。
グランドが共通なので、6回路でなくて4回路でも良いし、きちんと浮かせるためには、グランドが筐体と絶縁されるタイプのジャックを使う方が良い。
The second big element of Web 2.0 is democracy. We now have several examples
to prove that amateurs can surpass professionals, when they have the right
kind of system to channel their efforts. Wikipedia may be the most famous.
Experts have given Wikipedia middling reviews, but they miss the critical
point: it's good enough. And it's free, which means people actually read it.
On the web, articles you have to pay for might as well not exist. Even if you
were willing to pay to read them yourself, you can't link to them. They're not
part of the conversation.
-- Paul Graham
-- Web 2.0 ( http://www.paulgraham.com/web20.html )
Rule of Open-Source Programming #13:
Your first release can always be improved upon.
-- Shlomi Fish
-- "Rules of Open Source Programming"