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Re: [DSPEngineering] distortion and power measurement for echo canceller

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  • Raja V Tamma
    hi ravi, i dont know anything about the g.167 spec. but, squaring and summing a discrete time signal gives u its energy. raja ...
    Message 1 of 4 , Jun 2, 2002
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      hi ravi,
      i dont know anything about the g.167 spec. but, squaring and summing a discrete
      time signal gives u its energy.
      raja

      --- basaravikiran <basaravikiran@...> wrote:
      > hello group members,
      > we are testing the acoustic echo canceller as per g.167 spec.
      > here while testing we have to calculate distortion at rout.
      > how the acoustic distortion is measured??
      > for power calculation of a signal just sqaring the sequence is enough?
      >
      >
      >


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    • ravi kiran
      thank u very much can we calculate the power just by deviding the squared samples by the length of the array ...
      Message 2 of 4 , Jun 5, 2002
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        thank u very much
        can we calculate the power just by deviding the
        squared samples by the length of the array
        --- Raja V Tamma <rajatamma@...> wrote:
        > hi ravi,
        > i dont know anything about the g.167 spec. but,
        > squaring and summing a discrete
        > time signal gives u its energy.
        > raja
        >
        > --- basaravikiran <basaravikiran@...> wrote:
        > > hello group members,
        > > we are testing the acoustic echo canceller as per
        > g.167 spec.
        > > here while testing we have to calculate distortion
        > at rout.
        > > how the acoustic distortion is measured??
        > > for power calculation of a signal just sqaring the
        > sequence is enough?
        > >
        > >
        > >
        >
        >
        > __________________________________________________
        > Do You Yahoo!?
        > Yahoo! - Official partner of 2002 FIFA World Cup
        > http://fifaworldcup.yahoo.com
        >
        >


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