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JSalisbury

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Posts posted by JSalisbury

  1. Ok,

    Some updates.

    1. I am senstive to line echo, I do have a hidden stammer. I did have to get the London Fire Brigade to adjust the echo cancelation on their 999 lines as it nearly made it impossible for me to call them to a suspected house fire.

    2. When I was sat middle of house on about row 3 I could use the microphone (the desk was in stereo and the microphones were panned to center), I suspect the channel gain was also set lower.

    3. When I was having difficulties I was in about row 7 and towards house left, I would have then had about the 23ms from the left channel and the right channel was even further away. The speakers were quite loud and I was suppriesed it wasn't hooting.

    4. I suspect that next I will be the one doing the sound desk. There were a number of desk microphones on the stage on a desk infront of the presnters but were a couple of feet from their mouths. As you can imagine there were a lot of sqeeks and howls, this caused me to mutter loudly from the audiance about the Barkhausen criterion for oscilation and explained to move the microphones closer and drop the desk gain.

     

     

     

  2. I was at an event with a modern radio microphone used to walk round the conference audience. The pa speakers were quite loud. When I tried to speak into the microphone there was a very short delay. This delay made me very difficult to speak. I was about 8 meters from the pa speakers. It was a sennheiser radio mic with LCD display. It was a allan and heath analog desk. What are the causes of the delay?

  3. 8 minutes ago, kerry davies said:

    You have to admire their completely psychopathic confidence in that "we shall pull through" when if I had my way "we" would be banged up to contemplate the folly of handing out flares to an alcohol fuelled crowd of numpties. 

    To be fair to most of the "numpties" study https://twitter.com/CarlosGarciaOBE/status/1477333473581047812?s=20  it now looks like https://twitter.com/CarlosGarciaOBE/status/1477333590727921664?s=20

    ow

  4. There was a basement nightclub fire in a Manchester at about 0:07 am 1/1/22 The blaze seems to start at the same time that sparkling "flares" were lit and this caused the helium balloons that covered the cealing to ignite. The fire developed rapidly, 170 evacuated 3 to hospital. Video of the incident can be seen here, it is a painfull watch https://www.manchestereveningnews.co.uk/news/greater-manchester-news/cctv-horrifying-deansgate-bar-fire-22621660

  5. Hi,

     

    I have been told they have paid 10,000 pounds for the install, which covered new amp, speakers, mixer desk, microphones and so on. The sound is generally unclear and I suspect some of the speakers need an amp input delay line. They have also had issues with painful howl round. I am not directly involved with the church but would like to put them in touch with someone who is local and can provide proper advice.

     

    Thanks

     

     

     

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