ars technica – Publishers say Audible’s new captions feature is illegal. Is it? – “Seven of the nation’s top book publishers sued Amazon subsidiary Audible on Friday, asking federal courts to block the company from releasing a new feature called Audible Captions that’s due out next month. The technology does exactly what it sounds like: display text captions on the screen of your phone or tablet as the corresponding words are read in the audio file. The publishers argue that this is straight-up copyright infringement. In their view, the law gives them the right to control the distribution of their books in different formats. Audio is a different format from text, they reason, so Audible needs a separate license. This would be a slam-dunk argument if Audible were generating PDFs of entire books and distributing them to customers alongside the audio files. But what Audible is actually doing is subtly different—in a way that could provide the company with firm legal ground to stand on.

The caption feature “is not and was never intended to be a book,” Audible explained in an online statement following the lawsuit. “Listeners cannot read at their own pace or flip through pages as they could with a print book or eBook.” Instead, the purpose is to allow “listeners to follow along with a few lines of machine-generated text as they listen to the audio performance.”…