Recorder

A recorder (from Latin : recordari = to remember) is a device for recording and reproducing electrical signals , in particular of an audio-visual type. The signal recording by a recorder can be analog or digitized .

Device types

Revox PR99 Mk II, around 1985.

Voice recorder - tape cassette (1970s)

There are different types of devices, for example:

• Audio recorder :
  • Tape recorders
  • Cassette recorder
  • Dictation machines , suitable for voice recordings, e.g. B. Voice memos or dictations. Sometimes dictation machines are also known as note-taking machines . Digital recorders are to be distinguished from this . These are of higher quality and can also be used for music recordings because of a larger frequency range
  • Answering machine
  • Voice recorder for recording noises and conversations in air traffic
  • Digital recorders that digitally record all sound signals on memory cards

• Video recorder :
  • DVD recorder
  • CD burner

• Combinations of different devices, for example:
  • Radio recorder

Media types

• Audio : noises , music , radio plays , etc.
• Video : running pictures , mostly with audio
• other types of signals: brain waves , heart waves (e.g. measuring recorders in physics, medicine, etc.), such recording devices are usually not referred to as "recorders".

Technology: recording systems

LTO magnetic tape cassette, technology developed in the late 1990s

• Magnetic recording through a coil on magnetizable plastic tapes (also in a fixed housing : cassette ) using a (cassette) recorder
  • analog recording ( CC , VHS , betamax , Video 8 )
  • digital recording ( DCC , DAT , DV )
• Laser recording on CD, Laserdisc , MD , DVD
  • digital recording only
• magnetic recording on hard drives ( hard disk recording , microdrive )
• Storage on memory chips ( ICs ) ( Compact Flash , Smart Media , MultiMediaCard , SD card / xD card , memory stick )
  • digital recording only
• Measured value-time diagram - storage by means of a pen on a continuous paper with an even feed
  • analog ( measuring recorder , plotter )

literature

• Roland Enders: The home recording manual. 3rd edition, Carstensen Verlag, Munich, 2003, ISBN 3-910098-25-8
• Hubert Henle: The recording studio manual. 5th edition, GC Carstensen Verlag, Munich, 2001, ISBN 3-910098-19-3
• Gustav Büscher, A. Wiegemann: Little ABC of electroacoustics. 6th edition, Franzis Verlag, Munich, 1972, ISBN 3-7723-0296-3
• Hans Joachim Geist: Large practical book of communication technology. 1st edition, Elektor-Verlag, Aachen, 2001, ISBN 3-89576-109-5

Web links

Wiktionary: recorder  - explanations of meanings, word origins, synonyms, translations