Input controls device (contains volume control and multiplexer).Wave input device (contains analog-to-digital converter).Output controls device (contains volume and mute controls).Wave output device (contains digital-to-analog converter).The following are examples of adapter devices: In the preceding diagram, the following are examples of endpoint devices: The following diagram shows how audio endpoint devices differ from adapter devices. To avoid confusion with endpoint devices, this documentation refers to a device on an audio adapter as an adapter device.
#How to record from pnp audio device software
Users are more likely to think in terms of endpoint devices that they directly manipulate rather than in terms of the devices on audio adapters that the endpoint devices plug into or in terms of the software components that process the audio streams that flow to and from these adapters. Although these components are essential to the operation of the endpoint device, they tend to be invisible to users. The audio data that moves along the data path might traverse a number of software and hardware components during its journey between the application and endpoint device. Examples of audio endpoint devices are speakers, headphones, microphones, and CD players.
The term endpoint device refers to a hardware device that lies at one end of a data path that originates or terminates at an application program.
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