1. Virtual Router/AP on Windows without extra software


    Virtual Router Switch uses netsh commands to control wireless hosted network feature on compatible Windows 7 computers. Due to use of native commands, no third party software needed, just download and run.

    The script can be downloaded here : vr.bat (right click and 'Save link as..')

    To enable Internet Connection Sharing on the virtual router, follow steps below

    1. Type "ncpa.cpl" in the search box in start menu and press enter.

    2.  At the Network Connections window, right click on the network adapter that has internet and select 'Properties'
    3. Click on 'Sharing' tab
    4. Tick the 'Allow other network users ...' and under Home networking connection, select the virtual AP you created.

    5. Click OK

    To unshare the connection, untick the 'Allow other network users ...'
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  2. Remove that annoying low frequency chirp.

    If you listen to music on good speakers or headphones, you will, at times notice and hear chirping or ringing sound during quiet passage with bass or low frequency, such as a beat. It is annoying, but the problem does not lie in your sound card or headphones or sound system, it is Windows's fault. This problem is apparent in Windows Vista and up, as it's due to the misconfiguration of default audio settings and in my opinion shitty DSP of audiodg.exe.

    Anyway to get rid of the chirp, go to audio properties by right clicking the speaker icon on the task bar and select 'playback devices'.


    Double click on speakers and on the 'Speakers Properperties' dialog select the advanced tab. Under default format change the format to '16 bit, 44100hz (CD quality)'. Then click apply.



    You then ask why down grade to CD quality when DVD quality is better? No, higher sampling rate or numbers does not equal to better sound quality. It is a placebo increase in sound quality and introduces unwanted noise like the chirping. You have to understand that most audio you listen to are 44.1khz sampling rate and increasing the sound card's sampling rate isn't going to improve that.
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