A system configured to deliver medicament to a subject, the system comprising: a power subsystem configured to receive an input signal and provide power based on the received input signal; a respiratory medicament delivery device that includes a vibrating element that is driven by power provided by the power subsystem, wherein the respiratory medicament delivery device is configured to deliver medicament, responsive to nebulization of the medicament by the vibrating element, to an airway of a subject; characterized by; a sound input conversion subsystem configured to receive an audio input signal having a first frequency, wherein the sound input conversion subsystem is configured to convert the audio input signal to an ultrasonic output signal having a second frequency in dependence of the first frequency, wherein the vibrating element is controlled based on the ultrasonic output signal, wherein mechanical movement of the vibrating element causes emission of ultrasonic energy during operation of the respiratory medicament delivery device, the system further comprising: a sensor configured to generate output signals representing one or more characteristics of the ultrasonic energy emitted during operation of the respiratory medicament delivery device; and a sound output conversion subsystem configured to receive the generated output signals, wherein the sound output conversion subsystem is configured to convert the generated output signals into an audio output signal, and wherein the sound output conversion subsystem is further configured to provide the audio output signal to a computing device. a power subsystem configured to receive an input signal and provide power based on the received input signal; a respiratory medicament delivery device that includes a vibrating element that is driven by power provided by the power subsystem, wherein the respiratory medicament delivery device is configured to deliver medicament, responsive to nebulization of the medicament by the vibrating element, to an airway of a subject; characterized by; a sound input conversion subsystem configured to receive an audio input signal having a first frequency, wherein the sound input conversion subsystem is configured to convert the audio input signal to an ultrasonic output signal having a second frequency in dependence of the first frequency, wherein the vibrating element is controlled based on the ultrasonic output signal, wherein mechanical movement of the vibrating element causes emission of ultrasonic energy during operation of the respiratory medicament delivery device, the system further comprising: a sensor configured to generate output signals representing one or more characteristics of the ultrasonic energy emitted during operation of the respiratory medicament delivery device; and a sound output conversion subsystem configured to receive the generated output signals, wherein the sound output conversion subsystem is configured to convert the generated output signals into an audio output signal, and wherein the sound output conversion subsystem is further configured to provide the audio output signal to a computing device. a sensor configured to generate output signals representing one or more characteristics of the ultrasonic energy emitted during operation of the respiratory medicament delivery device; and a sound output conversion subsystem configured to receive the generated output signals, wherein the sound output conversion subsystem is configured to convert the generated output signals into an audio output signal, and wherein the sound output conversion subsystem is further configured to provide the audio output signal to a computing device.