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Q Can a TV’s built-in apps stream true 4K, or is it a lower resolution video format that the TV just upconverts to 4K? Also, would streaming via Wi-Fi instead of a hardwired Ethernet connection lower video resolution? —Cliff Parrish, via email

My last blog was limited to placement of the left and right speakers in 2-channel system, or just the left and right speakers in a home theater setup. There’s a lot more involved with a full surround sound setup....The remaining speaker channels we haven’t yet discussed are the center, the surrounds, and possibly Dolby Atmos. I’ll limit this discussion to 5.X or 5.X.4 setups, both with and without four Atmos speakers (for newbies, the 0.4 in the 5.2.4 designation describes the number of Atmos speakers, and the X is a stand-in here for the number of subwoofers, most often one or two). There’s a wide range of additional possibilities, including front height speakers, two additional surrounds (7.X.4), more than four Atmos speakers (though we don’t know of any consumer Atmos sources that offer more than four discrete Atmos channels), or only two rather than four Atmos speakers. But I suspect that 5.1.4 or 5.2.4 (five main channels, one or two subs, and four Atmos speakers) will describe most readers’ setups....

When we think shark, we think scares, but the incredible thrills that helped propel Jaws to the #1 box office crown in 1975 would not have been nearly as effective without a rock-solid story and engaging characters. (That's one explanation for the many awful rip-offs.) Peter Benchley's best-selling first novel gave director/ uncredited screenwriter Steven Spielberg tremendous fodder, with concrete plot points, clear motivations, and rich backstories.

Staying at home for three-plus months gave us lots of time take stock of our lives. To rethink family relationships, rekindle dormant hobbies, reconnect with old friends, and reflect on everything — including what entertainment at home looks like. TiVo’s annual Video Trends Report sheds some light on that question.