Identify who spoke when — detects up to 4 speakers with per-frame activity probabilities:
The 80286 introduced "Protected Mode" in 1982. It was not popular. The mode was difficult to use, lacked paging, and offered no way to return to real mode without a hardware reset. The 80386, arriving three years later, made protection usable -- adding paging, a flat 32-bit address space, per-page User/Supervisor control, and Virtual 8086 mode so that DOS programs could run inside a protected multitasking system. These features made possible Windows 3.0, OS/2, and early Linux.
，这一点在搜狗输入法2026中也有详细论述
值得注意的是，新模式催生了对“司导”（司机兼导游）等复合型人才的需求，2025年此类岗位全国增加了超过2万名。
The largest quarterly Neets total was recorded in July to September 2011, when the number peaked at over a million after the 2008 financial crisis.