Envelope followers extract amplitude information from complex audio waveforms. The resulting dc voltage often drives nonlinear stages, such as voltage-controlled amplifiers or filters. You must make a ...

Marketing.com is excited to announce the launch of its new Envelope Division, bringing together the combined expertise and resources of Southland Envelope, Response Envelope, and Husky Envelope, ...

Here's a GREAT idea for anyone who sends mail that requires a response form and envelope. This clever and efficient folded self-mailer from Marketing by Design of Sacramento, Calif., features an ...