Quiz: Who’s that voice?

Big-name celebrities long have done some voice-over work for commercials. But advertisers increasingly are turning to them to gain attention for their ad campaigns. That means professional voice-over artists are feeling the pinch.

Roll over the images below to play the clips. Can you guess which actor voiced which commercial?

View the interactive quiz

The 9/11 Tapes: The Story in the Air

A selection of audio recordings from the Federal Aviation Administration (F.A.A.), North American Aerospace Defense Command (Norad) and American Airlines from the morning of Sept. 11, 2001. The recordings, some of which have been published previously, are being released in a multimedia report originally intended to be part of the Sept. 11 Commission’s 2004 report.

View the interactive audio document

Google Doodle: Les Paul Gibson Guitar

Celebrating Les Paul’s 96th birthday, Google created an HTML5 doodle example that you can actually play strum.

Things to like about this doodle:

• elastic strings that respond to mouse over
• record option to capture your song
• playback button to listen to your strumming
• link to your recording

Super Bowl XLV: The Night Before

What goes through an N.F.L. player’s mind in those final hours before sleep on the night before the Super Bowl? Members of the Packers and Steelers talk about the emotions they expect to be dealing with on Saturday night.

View the interactive graphic and audio feature

The Recombinant DNA of the Mash-Up

Milestones in sonic marriages over the past 104 years.

View the interactive timeline and audio examples