noun
magnetic recording
Technical term for recording sound onto magnetic media such as tape or disks.
磁気録音は、テープレコーダーで広く使われている技術です。
Magnetic recording is a technology widely used in tape recorders.
録音 is the general term for audio recording, while 磁気録音 specifically refers to recording using magnetic media.
Compound of 磁気 (magnetic) and 録音 (sound recording).