microphonograph

Example:The early twentieth-century audiophone was used to record important speeches, which were then played back for the general audience.

Definition:A device that records sounds by converting them into electrical impulses and storing them.

Example:He used a sound recorder to capture the live performance before digitizing the audio to preserve the quality.

Definition:A device that captures and stores sound, especially through the conversion of acoustic impulses into electrical or magnetic signals.

Example:Scientists used a sonograph to record underwater sounds to study marine life behavior and communication methods.

Definition:An apparatus for recording sound, often used in science or technical applications.