The recording will start from the origin of sound waves from a voice through a microphone. A microphone is a sound wave as a function of electrical signals change according to the nature of the sound waves.
Recording starts from the sound waves from the audio source to the microphone. The microphone will convert sound waves into electrical signals characteristic of sound waves.
The recording starts from the sound waves from the sound source is through a microphone. The microphone is also changed the sound waves into an electrical signal according to the characteristics of sound waves.