Digital audio systems electronically record and store audio signals such as voice, music, alarm, and security messaging for broadcast, editing, monitoring, and playback. A digital audio system is an electronic device designed for combining, routing, and changing audio signal levels. Each input signal has its own dedicated channel for audio distribution. The channel is set to either stereo or monaural depending on the type of audio distribution settings. The signals received from the input device are buffered to control the amplification factor. A potentiometer is also present for adjusting the sound amplitude before the final mixing of the signals takes place. Signals from various input channels are summed up to generate the main mix signal. In this way, digital music players function to produce the final digital audio signal. There are many types of digital audio systems. Examples include digital voice recorders and a digital audio home theater system. Digital voice recorders are high quality functionality devices with slide control switch operation and are widely used for data and sound recording. A digital audio home theater system is used as a consumer audio application with disc changer and stereo monitoring facility. Other digital audio systems are commonly available.
There are several ways in which digital audio systems function. Digital audio systems receive input signals through dedicated input channel lines and after processing, sum up the input signals to produce the digital output signal. Digital audio systems work as playback systems and maintain long lists of music in a music library, which receive input signals through dedicated input channel lines, and after processing sums up the input signals to produce the combined output digital signal. Digital voice recorders require a 3 volt DC power supply, mono and stereo channel type, and USB port connectivity. A digital audio home theater system should be equipped with a 24-bit high quality audio system. A digital audio home theater system requires an operating frequency of 192 KHz and DTS 5.1 channel output. A digital audio home theater system is also fitted with a 1 channel subwoofer output. Digital audio systems are designed and manufactured to meet most industry specifications.
Digital audio systems are used in many applications. Digital audio systems are used in television and film post-production. In addition, digital audio systems are also used for recording audios, automobile stereos, and in sound reinforcement systems. Digital audio systems should adhere to American National Standards Institute (ANSI) standards.