Analog voice refers to human speech represented as a continuous, unbroken waveform. This encompasses both the physical sound waves traveling through the air and the electrical signals used by traditional telecommunication systems to transmit those waves. Core Characteristics of Analog Voice
Continuous Waveform: Unlike digital voice, which breaks speech down into discrete data snapshots (1s and 0s), analog voice captures sound as an uninterrupted, smoothly varying signal.
Physical Proportionality: In an analog signal, changes in electrical voltage or magnetic strength directly mirror (are analogous to) the changes in actual air pressure caused by vocal cords.
Fidelity and Texture: Because it contains a theoretically infinite amount of detail, analog audio is often characterized as sounding “warm,” rich, and biologically natural. Technical Parameters in Telephony
In traditional communication systems like landline telephone networks, analog voice operates under specific standards: