It makes digital signal processors, analog and mixed-signal circuits and algorithms for voice isolation and noise suppression.

WSJ: WageWorks, Audience Rise in Debuts

Kicking things off this morning: Volterra Semiconductor (VLTR), which sells high-performance analog and mixed-signal power management chips.

FORBES: Volterra Kicks Off Earnings Warning Season; Trouble In Storage?

Exar, a semiconductor company, designs, develops and markets analog and mixed-signal integrated circuits for use in communications, video and imaging products.

FORBES: George Soros Reduces Exar Stake

Unique analog- and mixed-signal cost advantages from its move to 300mm production.

FORBES: Texas Instruments: JMP Upgrades