au·​dio | \ ˈȯ-dē-ˌō How to pronounce audio (audio) \

Definition of audio

 (Entry 1 of 3)

1 : of or relating to acoustic, mechanical, or electrical frequencies corresponding to normally audible sound waves which are of frequencies approximately from 15 to 20,000 hertz
2a : of or relating to sound or its reproduction and especially high-fidelity reproduction
b : relating to or used in the transmission or reception of sound — compare video
c : of, relating to, or utilizing recorded sound



Definition of audio (Entry 2 of 3)

1 : an audio signal broadly : sound entry 1
2 : the section of television or motion-picture equipment that deals with sound
3 : the transmission, reception, or reproduction of sound

Definition of audio- (Entry 3 of 3)

1 : hearing audiometer
2 : sound audiophile
3 : auditory and audiovisual

Examples of audio in a Sentence

Adjective The audio portion of the broadcast was fine but the picture was poor. They listened to an audio recording of the speech. Noun The picture was clear but the audio was very poor.
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Recent Examples on the Web: Adjective The letter goes into great detail explaining the type of information that must be preserved, from memos and diaries to audio recordings, calendar entries and voice mails. Dave Boucher, Detroit Free Press, 9 Jan. 2022 No cameras or audio recordings were allowed and only 34 members of the press and public were permitted inside. Sara Ashley O'brien, CNN, 6 Jan. 2022 The words of the newly vaccinated, combined with audio recordings and Dina Litovsky’s photography, chronicle a tantalizing moment when an end to the pandemic seemed within reach. Naib Mian, The New Yorker, 29 Dec. 2021 Reporters had to dig into 911 logs and audio recordings, watch bodycam footage, read police reports and investigative follow-ups. Paighten Harkins, The Salt Lake Tribune, 29 Dec. 2021 Before founding Project Admission in 2018, Glicken spent nearly 20 years in the music and entertainment industries as an audio engineer, producer and executive. Tim Casey, Forbes, 21 Dec. 2021 The team says their audio recordings tell a hopeful story: the once-dying reef has transformed into a robust and diverse soundscape. Corryn Wetzel, Smithsonian Magazine, 10 Dec. 2021 An audio engineer by trade, Potosky had been the board president of Cadman Towers for 16 years before stepping down to run for the local City Council seat last year. Caroline Spivack, Curbed, 8 Dec. 2021 As the gold keeps making its way out of the bank, Tamayo and his crew start to get a whiff at what might be going on when an audio engineer picks up sound of the tank. Pamela Avila, USA TODAY, 8 Dec. 2021 Recent Examples on the Web: Noun There’s no audio, but a trio of officers appear to be talking to him for most of the encounter. Michael Ruiz, Fox News, 9 Jan. 2022 The 50mm drivers are certified for Hi-Res audio and are powered by the JBL QuantumSOUND Signature. Mark Sparrow, Forbes, 5 Jan. 2022 Police personnel involved in a use-of-force incident are prohibited from viewing video or listening to audio without authorization from the police chief, according to the order. Joseph Flaherty, Arkansas Online, 4 Jan. 2022 In addition, the processor expands LG's AI Sound Pro virtual surround feature to produce simulated 7.1.2-channel audio, with virtual height channels. Will Greenwald, PCMAG, 4 Jan. 2022 Genres such as gaming, audio and music have fewer content creators overall but a larger proportion who are monetizing their content. Todd Spangler, Variety, 4 Jan. 2022 But support for lossless audio is a new and exciting AirPods Pro 2 claim. Chris Smith, BGR, 3 Jan. 2022 According to 911 audio obtained by NBC affiliate WYFF of Greenville, South Carolina, Gordon dialed emergency responders and said his family had a visitor for the holiday who accidentally left a gun in his car. Tim Stelloh, NBC News, 30 Dec. 2021 Nominations for the television categories, as well as new media, news, radio/audio and promotional writing awards will be announced on Jan. 13, with screenplay nominations announced Jan. 27. Danielle Turchiano, Variety, 30 Dec. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'audio.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of audio


1907, in the meaning defined at sense 1


1926, in the meaning defined at sense 1

History and Etymology for audio


independent use of audio- as adjective


derivative of audio entry 1, or by shortening of words formed with audio- (as audio-signal)

Combining form

Latin audīre "to hear" + -o- — more at audible entry 1

Note: Probably first in audiometer—see etymology note there.

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Last Updated

13 Jan 2022

Cite this Entry

“Audio.” Dictionary, Merriam-Webster, Accessed 19 Jan. 2022.

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More Definitions for audio



English Language Learners Definition of audio

 (Entry 1 of 3)

: of or relating to the sound that is heard on a recording or broadcast



English Language Learners Definition of audio (Entry 2 of 3)

: the sound that is heard on a recording or broadcast


combining form

English Language Learners Definition of audio- (Entry 3 of 3)

: relating to hearing or sound


au·​dio | \ ˈȯ-dē-ˌō How to pronounce audio (audio) \

Kids Definition of audio

 (Entry 1 of 2)

1 : of or relating to sound or its reproduction
2 : relating to or used in the transmitting or receiving of sound (as in radio or television)



Kids Definition of audio (Entry 2 of 2)

1 : the transmitting, receiving, or reproducing of sound
2 : the section of television equipment that deals with sound

More from Merriam-Webster on audio

Nglish: Translation of audio for Spanish Speakers

Britannica English: Translation of audio for Arabic Speakers


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