Comcast, Time Warner say Apple exploring new TV set top box

Apple TV
Source: Apple Inc.

Here's more evidence that Apple's working on a new TV set top box.

On Tuesday, Comcast and Time Warner Cable filed documents to the FCC defending their merger and in their filing they mentioned the possibility of a new Apple TV set-top box, according to a report by 9to5Mac.

Read More Apple in talks with Comcast for streaming-TV service: WSJ

Now, there's been speculation of a new Apple TV for some time, but given that there have been reports that Apple has had talks with content providers like Comcast and Time Warner, makes the filing even more interesting.

Here's the graf from the filing that mentions Apple's new TV product.

Today, Google competes as a network, video, and technology provider, and 8 out 9 of the next Google Fiber markets the company announced are in Comcast or TWC areas. Apple tablets are viewing platforms for cable services even while Apple offers an online video service, Apple TV, and explores development of an Apple set-top box. Microsoft just announced that it will feature ads on the Xbox One, creating a new video advertising platform. And just last week, Amazon announced its own set-top box while it continues to leverage its unequaled sales platform and family of competitive tablets to promote its burgeoning Prime Instant Video business.

Read MoreWhat the Comcast-Apple TV talks mean

The mention of Apple—among other tech giants like Microsoft and Google—was used in the context of explaining how growing competition in the content space makes the cable giant's merger more important.

A Fire (TV) lit under Apple?
A Fire (TV) lit under Apple?

Read more about the potential for a new Apple TV at 9to5Mac.

Updated: Apple and Time Warner declined comment. Comcast didn't respond to an email request for comment.

By CNBC's Cadie Thompson. Follow her on Twitter @CadieThompson.