I cannot give a definitive answer without more context, but in general, "audio about" would not be a complete sentence.
It could be the beginning of a sentence, such as "The audio about the history of jazz was informative," or it could be part of a phrase, such as "The podcast was an audio about current events." However, it would not be grammatically correct as a standalone sentence without additional information.
That's just one of the stories in this multi-voiced book, tailor-made for audio, about love, loss, grief and redemption.
More information, including images and audio, about the Glyndebourne production here; and here is Stephen Moss talking to Vladimir Jurowski about the opera, generally, and Glyndebourne's current take on it.
Hugo Lindgren, a former editor of the Times Magazine and now the president of Page 1, the journalism-based film-production company founded by Mark Boal, the writer and producer of "The Hurt Locker" and "Zero Dark Thirty," came to them with some remarkable audio: about twenty-five hofrecordedcorded phone interviews that Boal had conducted with Bergdahl after his return from captivity.
We're coming together to urge the Connecticut legislature to pass a law that would keep sensitive information, including photos and audio, about this tragic day private and out of the hands of people who'd like to misuse it for political gain.
Aurally, it's as if we hear eras coming together: Lady Bird Johnson, in her quietly spellbinding daily audio diaries, sounds like a movie star of the golden age, with a Texas accent; newsreel audio about the Gulf of Tonkin is delivered in rat-a-tat tones that I associate with the Second World War.
We can see that the proposed method can improve the SNR of the watermarked audio about 2 dB.
She transformed herself into an animal (the Tasmanian tiger), had a séance with another (the northern hartebeest), played audio clips about yet another (the steller's sea cow).
Some years ago I fell to chatting with an engineer who was helping me record an audio book about Islam.
As the Internet project got going, we were thinking about command and control, about video and audio, and about text and data.
In Section 2, useful information about the recording process for multichannel audio and about the particular type of those signals that are examined here (spot signals) is given.
For about three years, I worked on an audio project about life inside the prison, and the local public radio station found out and offered to train us.
