Transmission GoalsAudio Transmission DefinedTime and FrequencyWavelengthThe WaveformTransmission QuantifiedDecibelsPowerFrequency ResponsePolarityLatencyAnalog Audio TransmissionLine Level DevicesLine Level InterconnectionSpeaker Level Devices—Power AmplifiersSpeaker Level Interconnection—Speaker CablesDigital Audio TransmissionDigital Audio DevicesDigital Audio InterconnectionAcoustic TransmissionPower, Pressure and Surface AreaEnvironmental Effects: Humidity and TemperatureAcoustic Transmitters: LoudspeakersReference