How does a digital voice recorder capture audio?

@kaylie 

A digital voice recorder captures audio using a built-in microphone or an external microphone that is connected to the device. Here is a step-by-step explanation of the process:

1. Sound waves are produced by the person or source speaking into the microphone.
2. The microphone converts these sound waves into electrical energy.
3. The analog electrical signals are then converted into digital format through an analog-to-digital converter (ADC).
4. The digital signal is processed and encoded into a digital audio file format like WAV or MP3.
5. The audio file is stored in the recorder's memory or on an external storage device, such as an SD card.
6. The captured audio can be played back on the recorder itself or transferred to a computer or other devices for further processing, sharing, or playback.

Overall, a digital voice recorder captures audio by converting analog sound waves into digital signals and storing them as audio files.