The phrase "a number of audio" is correct and usable in written English.
It can be used when referring to multiple audio files, recordings, or pieces of audio content.
Example: "We have a number of audio clips available for the presentation."
Alternatives: "several audio" or "various audio".
What the publicity material fails to mention is that the device comes with a number of audio bolt-ons.
A number of audio signal processing applications analyze a signal in terms of some basic model for its source.
Two years later a number of audio equipment manufacturers had incorporated the technology into their cassette decks and by the late 1970s it was standard fitting on virtually all hi-fi cassette systems.
Sue also provided voices for many television commercials and a number of audio books, including Judith Kerr's Mog, the Forgetful Cat. But she had a life in the theatre too, appearing in her own one-woman show, The Merry Wife of Wilton, at the New End theatre in London, and a groundbreaking production of Howl's Moving Castle at Southwark Playhouse.
It has also recovered a number of audio milestones, including what may be the oldest recorded American swear: one disk from Bell's lab begins with a speaker reciting "Mary Had a Little Lamb"; something goes wrong, and some listeners think that he yells, "Oh, fuck".
There are a number of audio recording apps out there, I use, and recommend, Apple's Voice Memos, Voice Record and Voxer.
For this new venture, SONO, Fleisher and Meshulam wanted to captured a live performance in a unique way one that not only immersed the viewer but also featured a number of audio-reactive visuals.
A number of audio-recordings were re-translated by an independent person at regular intervals during the fieldwork.
To enable often complex engineering activities to be performed, a number of novel audio and visual and communications systems have been designed.
In a Chanel shoebox, on a shelf in the garage, were a number of Islamic audio cassettes, along with five 8mm modified blank rounds.
Perhaps more importantly, dozens of people linked to AKP have been engulfed in a corruption scandal since December, with a number of damaging audio files that purport to be leaked wiretaps of Erdoğan's inner circle being shared via social networks such as YouTube and Twitter.
