audio range
131Electronic amplifier — A practical amplifier circuit An electronic amplifier is a device for increasing the power of a signal. It does this by taking energy from a power supply and controlling the output to match the input signal shape but with a larger amplitude. In… …
132Direct Stream Digital — (DSD) is the trademark name used by Sony and Philips for their system of recreating audible signals which uses pulse density modulation encoding, a technology to store audio signals on digital storage media which is used for the Super Audio CD… …
