Tuesday, August 6, 2013

How to hook up a laptop pc to surround sound system for audio and video?

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Corey


The surround sound system is hooked up to a projector, but I want to hook my laptop up to the surround sound system to watch movies from my laptop onto my projector. 7.1 Channel Onyko surround system.
Video is working now, but no audio. Using Asus G75 Laptop, Onyko 7.1 channel Surround Sound System
Windows 7
Display:
NVIDIA GeForce GTX 660m
DAC Type- Integrated RAMDAC
Monitor- Generic PnP Monitor
Driver Model- WDDM 1.1
Also, video and auio both work when I hook up laptop to tv with hdmi



Answer
- This is the best way to hook up your devices by using a hdmi cable for hd audio and hd video:
- 1st hdmi cable to hdmi output on device to hdmi input on receiver for hd audio, then 2nd hdmi cable to hdmi output on receiver to hdmi input on tv for video (hdmi video passthroughs to tv untouched).
- Receiver menu -> manual setup -> hdmi setup -> hdmi audio setup -> send audio to amp (not passthrough to tv).

- For computer to receiver/tv audio: If your using hdmi/displayport make sure graphics card supports audio or soundcard supports video. After you are hooked up make sure you enable hdmi or displayport or s/pdif audio output (select qualities or other settings).
- Tip 1: I recommend k-lite codec pack for media player classic or vlc player or kmplayer (configure their audio settings. Example: K-lite codec pack -> ffdshow audio decoder -> select surround sound formats to passthrough to receiver untouched and then select bitstream/pcm formats.ect). Tip 2: Since the audio passthrough to the receiver untouched, I recommend you use a audio editor like audacity and amplify (not pass clipping level) each channel of audio and export and then play the file (also, make a folder with video file and name your audio file the same thing and use the audio switcher on those players I recommended). = Tip 3: If you have a receiver (input device) and/or output device that does not support DTS-HD-MA, Dolby TrueHD, DTS-HD-HR, or Dolby Digital Plus bitstreams, you can tell your output device to decode it into PCM and then send it over the hdmi cable to the receiver.

- RE EDIT: Computer's start menu -> run -> dxdiag -> display and display name AND system and system operating system name.
= NVIDIA GeForce GTX 660m supports hdmi hd audio. You can use the tips that are provided above.
= Step 1: Turn off computer/laptop and tv and receiver -> Hook up devices with hdmi with the above method shown at the top of this post -> turn computer/laptop on OR turn tv and receiver off and hook it up with hdmi cable and then restart computer/laptop.
= Step 2, Windows 7: Computer's start menu -> control panel -> sound or audio devices settings -> sound playback tab -> right click on digital hdmi output and enable it and set it to default device and hit test (check show disabled or disconnected devices) OR Right click on sound/speaker icon at the bottom right of your screen -> playback devices -> and do the same steps as before. = Note: You might need to configure the properties settings.
= Step 3: Turn receiver on -> Turn tv on and go to hdmi channel -> in sound settings on playback devices, right click digital hdmi output and click test (second time hitting test btw).
= Tip 1: Remember to always turn pc on before turning on receiver and then turning on tv and remember to always turn tv off before turning off receiver and then turning off pc.
= Tip 2: Make sure hdmi audio is set to default device so it always works, without having to have it recognize and do the settings all over again later.
= Tip 3: If you can't get it to recognize, you can try going into your bios settings. OR You can try the hdmi ARC (audio return channel) method, tell receiver to passthrough audio to tv and tell tv (if tv has hdmi ARC) to passthrough audio through the tv's hdmi ARC to receiver . = Note: You have to see if your tv's hdmi ARC can transfer back hd audio and surround sound audio.
= Tip 4: If you still can't get it to recognize and all else fails, you have to hook up laptop/computer to tv with hdmi cable, then use a s/pdif optical or s/pdif coaxial or red/white rca outputs on tv and go to one of those inputs on receiver. = Note: S/pdif optical or s/pdif coaxial do not support 7.1 or hd audio, they can do 5.1 non-hd audio tho. = Note: Red/White RCA only do stereo/2.0 analog. = Note: The tv may only output lossy formats or may be downmixed to stereo even if your using hdmi ARC or s/pdif.

How can I film my computer screen with good quality video and sound?




Brodie


I want to be able to record things that I play on my laptop screen. Which program can do this? I've tried Camstudio, but it doesn't record the sound.


Answer
Try ActivePresenter, it's FREE (no recording time limit, no trial period), intuitive and easy to use.
It also has many editing features like: adding audio tracks, annotations, zoom-n-pan...

Home page: http://atomisystems.com/activepresenter/
Download: http://atomisystems.com/apdownloads/latest/ActivePresenter_setup.exe




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