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Q I want to get better sound when watching movies on my new Panasonic ZT60 plasma TV. (I stream a lot of Netflix and Vudu via the Panasonic’s built-in apps.) To that end, I recently bought a small stereo setup: an NAD C326BEE integrated amp, a Musical Fidelity V90 DAC, and a pair of Monitor Audio Apex 10 speakers. The only way to connect the TV to my audio system is by using an optical digital output from the Panasonic to the DAC, which then connects to one of the NAD’s stereo RCA inputs. Here’s the problem I’ve been having: When I watch Netflix or Vudu, I hear nothing but static noise coming from the speakers, though the sound is fine when I watch DirecTV (I have my satellite receiver connected directly to the TV via HDMI). This noise went away when I switched from 5.1 to 2.0 audio in Netflix, but I don’t get the same option for Vudu. I’m kinda stumped at this point. Shouldn’t the Musical Fidelity DAC automatically dumb down 5.1 signals to stereo? Is there another possible configuration that can solve my problem? —Gilbert Solis / via e-mail

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Q My system consists of Aerial speakers, a Rotel 5 x 100 watt amp, a Marantz AV-7701 pre/pro and a Panasonic Blu-ray player. All my music is stored on a Mac computer and streamed to an Apple TV which is connected by an optical cable to the processor. The sound with movies is fine, but digital music lacks detail and has no WOW to it. My car’s Krell audio system sounds far superior in comparison. All music files on my Mac are in 16-bit WAV format. What am I missing? —Roland Bertha / South Florida

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Q I was thinking of buying a Sony XBR-65HX950 3D LCD HDTV based on Sound & Vision ’s positive review of that set. [Editor’s note: We actually reviewed the smaller XBR-55HX950.] However, I see plenty of ticked-off people on Amazon complaining about banding issues with that model. Do you consider banding a factory defect or just a quirk that has to be accepted with LCD technology? —Mike Cahan / via e-mail

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Q I have an old Harman Kardon receiver that has served me well for several years and would like to continue using it. Do you have any suggestions for a way I could stream audio from my computer (primarily from iTunes and Spotify) to my receiver over Wi-Fi? —Doug Burton / via e-mail

Q I am in the market for a new 3D player and have been looking at the Oppo 103 and 103D.  But the various online forums I’ve visited all say that there is hardly any picture quality difference between the Oppos and other Blu-ray players like those from Sony and Panasonic. Is that true? —Joe Montanez / via email

Q I used Windows Media Player to rip and archive my collection of roughly 2,000 CDs in WMA Lossless format. I chose that format because I believed it would capture a bit-perfect copy of my CD as well as retain important metadata like album and song titles.

Here's my dilemma: I am learning the hard way that WMA-L does not enjoy widespread support. I recently returned a NAD network player because, while it did play the lossless WAV files in my collection, it down-rezzed WMA-L ones to 192 kbps. Now here’s my question: Is there a way to convert my files to a different format while preserving the lossless audio quality and metadata, or have I made a terrible mistake in wasting countless hours ripping so many CDs to a useless format? —Carlos Lobo / Hawthorn Woods, IL

Got a tech question for Sound & Vision? Email us at AskSandV@gmail.com

Q If I download 24-bit high-res music from an online source such as HDtracks.com, can I then burn it to a blank DVD and play it on the DVD-Audio player in my home theater system? It sucks that you can no longer buy DVD-Audio discs, but I was hoping to get DVD-Audio-like performance using this method. —Rick Cooper