Whenever an instrument produces a note, its volume creates a certain shape as it changes over time. A piano note, for example, has a near-instant onset and drops to silence after the key is released.

Have you ever used the "envelope system" for budgeting your monthly income? Have you found it to be more difficult to use considering so many purchases and bills are paid with credit cards, checks, ...

The process of designing traditional fixed-supplypower amplifiers has been well-establishedfor many years. Well-definedmetrics for performance assessment exist,and the amplifier designer’s job is to ...