Question about Vizio SV470XVT 47 in. LCD TV

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Vizio SV470XVT will not output Dolby 5.1 from optical out..

My Vizio SV470XVT will not output Dolby Digital 5.1 through it's optical output. The setting for Digital Out is set to Dolby 5.1, but no dice..
I reset my TV- No luck.

Connection:
HDMI to TV, Optical out to surround system. Dolby Digital and DTS 5.1 work fine from any other digital source (optical, coax or HDMI) in my sound system.

The problem is with the Vizio on this one. The only reason I'm doing this is because I'm using HDMI from my XBOX 360 direct to my TV and I don't want the up-convert delay (caused by HDCP with 2 HDMI cables) when going through the receiver. The optical out on the xbox is only available with the component / AV connector.

Anyone heard of this with the SV470XVT? (btw- my TV's a refurb. That could have something to do with it.)

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TV's only will output 5.1 from HD stations. If you have a DVD player, XBOX 360, etc connected through HDMI, then the TV will only send stereo PCM through the optical out.

Posted on Jul 10, 2009

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I have a Sharp Aquos LC-60LE640X TV and I am trying to connect a Samsung HW-H751 Soundbar to it. I have hooked up the optical cable, adaptor and sub woofer, I have tested the Bluetooth function throug


If you are connecting the soundbar to your TV with the digital audio cable, make sure to select "D IN" using the source button on the soundbar. Bluetooth (BT) is a separate source from another device. (phone, etc.) The TV will need to be set to use the digital audio output and probably PCM format. (?) The subwoofer is preconfigured at the factory to mate up with your soundbar. (See below instructions - your soundbar includes the amplifier:)

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From the Console Settings screen in the System area of the Xbox Dashboard, you can configure the video output of your Xbox 360 console for a widescreen, high-definition TV, determine your audio options, and check your console's serial number and Xbox Dashboard version.
Go to correct section for ... Audio

Change your audio output settings for games from this screen. These audio settings do not affect DVD movie playback. For DVD audio settings, refer to an individual DVD movie's setup screen.

Settings consist of:

  • Analog Output Settings: choose Mono to merge the left and right audio signals so that you can hear all sound through a connection to a monaural TV or monitor; choose Dolby Pro Logic II to listen in normal stereo (no audio surround receiver required) or to listen to Dolby Pro Logic or Dolby Pro Logic II soundtracks from compatible games or other media.

    Dolby Pro Logic consists of four channels of audio: front left/center/right and a monaural surround channel that is mirrored in each of your rear left/right speakers. Dolby Pro Logic II uses digital signal processing to generate 5.0 audio (front left/center/right, rear left/right) from any stereo (left/right) programming, whether from movies, music, or games. Unlike movies and music, however, games are specially encoded with Dolby Pro Logic II decoding in mind.

    To listen in either Dolby Pro Logic or Dolby Pro Logic II surround sound, you must connect your cable's left/right (white/red) RCA connectors to a compatible surround receiver. For more information, see our connection page for the cable you're using:
  • Digital Output Settings: configure this setting only if you'll be using the Toslink optical digital-audio output from a compatible Xbox 360 AV cable (optical digital-audio cable sold separately):


    The default digital-audio setting is Dolby Digital 5.1. If this is your preference, you do not have to make a selection from this screen.

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If it is a single output and looks like an RCA type, then I would say that the cable you would need is a digital coaxial cable. The optical input/output will have a different shape and is not as big of an opening as a digital coaxial input/output.

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hi,
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1. Press MENU to display the MENU screen,
and then press c/d to select "Digital
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2. Press a/b to select "Audio Setup", and then
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PCM The optical output terminal output studio signal in PCM form. If your digital audio system does not support Dolby Digital, select "PCM".

Dolby Digital
The optical output terminal outputs audio signal in Dolby Digital form. it reproduces sound from surround program of digital.

also check the input assignment of ur dvd palyer's tv input. if it is selected as analog then change it to digital.
ok

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To output Dolby Digital or DTS audio, you must connect the PS3™ system and the audio device using a digital optical cable and switch to [Digital Out (Optical)] under [Audio Output Settings].
Good Luck.

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Not getting true surround sound


The only way to get Dolby 5.1 audio out of the Xbox will be via fiber optic cable from the Xbox to a Dolby Digital amplifier - which will output a decoded 5.1 signal to a 6 channel amplifier and 5 speakers and one sub-woofer. I doubt the Logitech speaker system has a Dolby 5.1 decoder built in with the amplifier for under $100, but I can't say for sure. If the Logitech has a an optical (or TOSLink) input, connect it to the Xbox and follow the instructions below.

To configure your audio settings, follow these steps:
  1. Start the Xbox 360 console without a disc in the disc tray.
  2. In the System section of the Xbox Dashboard, select Console Settings.
  3. In the Console Settings area, select Audio.
  4. In the Audio Settings area, configure settings for analog output or digital output:
    • Analog output settings:
      • Dolby Pro Logic II: Select this setting for stereo systems or Dolby Pro Logic II-compatible systems.
      • Mono: Select this setting for systems that do not support stereo output. Note If you have connected to Xbox LIVE and downloaded any AutoUpdates, the Mono option will not be available.
    • Digital output settings:
      • Digital Stereo: Select this setting to use digital stereo output.
      • Dolby Digital 5.1: Select this setting to use Dolby Digital output.
      • Enable WMA Pro: Select this setting to enable WMA Pro pass-through if your receiver supports the WMA Pro format.
Note You must use one of the following cables to support digital output:
  • Xbox 360 Component HD AV Cable
  • VGA HD AV cable
  • S-video AV cable
  • Advanced SCART AV cable
  • Japanese HDAV D-connector AV cable
Additional info:

http://www.dummies.com/how-to/content/hooking-up-xbox-360-sound.html

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Depending on the year of your model of VIZIO your digital optical output may be tied to the DTV input only. Meaning the only time you will have audio coming out of the digital optical output is when your using the tuner and your on a digital channel. If your television is newer and the digital optical output is in white on the back of the television than it is tied to HDMI and the DTV Tuner and you will pass audio through the digital optical output when using HDMI or the Digital Tuner.

Now to get connect the HT: Normally you would run a digital optical cable from the source device to the home theatre system. Meaning if it was a PS3 you would run a optical cable from the Digital Out on the back of the PS3 to the Digital In on the Home Theatre receiver. If it was a DVD player than you would run the optical cable from the DVD player to the HT receiver. If you have a newer VIZIO and the optical output is in white and not black than you can run HDMI from the PS3 to the VIZIO and then run a optical cable from the VIZIO to the Home theater receiver.

You will have to adjust the audio setting in the PS3 to run audio out of the HDMI port if it is set to run audio out of the Digital Out or AV out. Also, if your going to run audio from the PS3 to the HT receiver through the Digital Out then you need to change the audio setting in the PS3 to Digital Out.

1. Select (Sound Settings) under (Settings) in the home menu.
2. Select [Audio Output Settings].
3. Select the input connector on the audio device.

Channel numbers and audio formats that are supported vary depending on the connector in use. AV is 2 ch. only, Digital Out is 2 ch. & 5.1 ch, and HDMI is upto 7.1.

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