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  1. #1
    New Member
    Join Date
    Nov 2009
    Location
    jordan
    Posts
    2

    audio feedback.... plz help me

    hello

    im a new member in this forum and i need a help

    im an engineering studient and im working on my graduate project now , but i met i problem that i want to measure the audio feedback frequency and i need ur help in this plz what is the audio feedback frequency and how i can calculate it mathemactially ,, im tried to measure it by using labview software but the results were not acceptalbe


    plz i need ur help as soon as possible


    thank u

  2. #2
    New Member
    Join Date
    Nov 2009
    Location
    jordan
    Posts
    2
    hello


    any one can help me ?

  3. #3
    Feedback can occur at any frequency.

    It all depends what source (microphone, etc...) is being stimulated by the reinforcement system (speaker)...

    This is what EQ's are for, to pull out trouble frequencies. Audio techs can generally hear what frequency or range of frequencies are ringing and pull them out without the use of any other equipment (just a well-trained set of ears)...

    For equipment to help, you can use a Real Time Analyzer (or RTA). This will show which frequencies are peaking/ringing and you can adjust the EQ to suit.

    You can down'oad a program to help identify problem frequencies here: http://sft.sourceforge.net/

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