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Professional audio

professional audio equipment, professional audio systems
Professional audio, occasionally abbreviated as pro audio, refers to both an activity and a type of high quality audio equipment Typically it encompasses sound recording, sound reinforcement system setup and mixing, and studio music production by trained sound engineers, audio engineers and audio technicians who work in live event support, using audio mixers or sound reinforcement systems In contrast, consumer audio equipment is usually confined to the reproduction of sound in a private home on a home stereo or home cinema system

Professional audio can include, but is not limited to broadcast radio, audio mastering in a recording studio, television studio, and sound reinforcement such as a live concert, DJ performances, audio sampling, public address system set up, surround sound design in movie theatres, and design and setup of piped music in hotels and restaurants

Contents

  • 1 Definition
  • 2 Equipment
  • 3 Stores
  • 4 See also
  • 5 Notes
  • 6 References

Definitionedit

The term professional audio has no precise definition, but it typically includes:

  • Operations carried out by trained audio engineers
  • The capturing of sound with one or more microphones1
  • Balancing, mixing and adjusting sound signals from multitrack recording devices using a mixing console
  • The control of audio levels2 using standardised types of metering
  • Sound signals passing through lengthy signal chains involving processes at different times and places, involving a variety of skills
  • Compliance with organisational, national and international practices and standards established by such bodies as the International Telecommunication Union, Audio Engineering Society and European Broadcasting Union

Equipmentedit

Compared to consumer-grade audio equipment, professional audio equipment tends to have such characteristics as:

  • Greater mechanical robustness and reliability
  • Many more options for "tweakability" and modification than typical consumer grade equipment For example, whereas a typical home audio grade active subwoofer may have a factory set-audio crossover to determine at which point the audio signal will be routed to the subwoofer and a factory preset phase control and equalizer setting, pro audio active subwoofers with built-in amplifiers and electronics may offer adjustable crossover points, user-selectable phase control and equalizer controlsa
  • Heavy-duty industrial-grade connectors, eg XLR balanced audio cables for audio signals and Speakon speaker connectors
  • Designed for touring and transportation This includes the use of 19-inch rack-mount devices for electronic effects units and power amplifiers, the provision of handles and/or dolly wheels on heavy equipment to facilitate moving gear onstage large speaker enclosure cabinets for subwoofers and sound reinforcement system main speakers typically have handles and wheels
  • Balanced audio interfaces XLR for lower noise and hum
  • Higher analog audio signal levels of 0 dBu or more3
  • AES/EBU digital audio interfaces
  • Lower-noise audio equipment with less Total Harmonic Distortion

The broadcast quality of professional audio equipment is on a par with that of consumer high-end audio and hi-fi equipment, but is more likely to be designed purely on sound engineering principles and owes little to the consumer-oriented audiophile sub-culture4

Storesedit

Main article: Professional audio store

A professional audio store is a retail establishment that sells, and in many cases rents, expensive, high-end sound recording equipment microphones,5 audio mixers, digital audio recorders, speakers and surround sound speakers,6 monitor speakers and sound reinforcement system gear eg, speaker enclosure cabinets, stage monitor speakers, power amplifiers, subwoofer cabinets and accessories used in both settings, such as microphone stands Some pro audio stores also sell video equipment, such as video projectors, as this equipment is commonly used in live audio settings eg, business presentations and conventions Some pro audio stores also sell and/or rent DJ gear record turntables, DJ mixers and the stage lighting equipment used in rock concerts, dance clubs, raves and theater/musical theater shows

See alsoedit

  • Institute of Professional Sound
  • Sound design

Notesedit

  1. ^ Some expensive, high-end hi-fi active subwoofers also offer "tweakability" and user controls, but the low-priced active subs sold at Big box consumer electronics stores do not usually include these features

Referencesedit

  1. ^ Alten, SR 2013 Audio in Media Cengage Learning p 74 ISBN 978-1-285-67529-9 Retrieved January 12, 2017 
  2. ^ Reinhardt, R; Dowd, S 2007 Adobe Flash CS3 Professional Bible Bible John Wiley & Sons p 1165 ISBN 978-0-470-11937-2 Retrieved January 12, 2017 
  3. ^ "The Sound Reinforcement Handbook" Retrieved 22 April 2015 
  4. ^ Perlman, M 2004 "Golden ears and meter readers: The contest for epistemic authority in Audiophilia" Social Studies of Science 34 5: 783 doi:101177/0306312704047613 
  5. ^ Gardner, S; Birley, S 2012 Blogging For Dummies For dummies Wiley p 229 ISBN 978-1-118-23925-4 Retrieved January 12, 2017 
  6. ^ Hanes, W 2010 The 30-30 Career: Making 30 Grand in 30 Seconds!: Becoming a Platinum Composer AuthorHouse p 67 ISBN 978-1-4520-5097-3 Retrieved January 12, 2017 

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