From: liz@poppyrecords.invalid.invalid   
      
   John Williamson  wrote:   
      
   > On 02/09/2025 06:22, Jimmy Logan wrote:   
   > > On 2025-09-01, John Williamson  wrote:   
   > >> On 01/09/2025 18:12, Jimmy Logan wrote:   
   > >>> Hi, I think I have a similar "problem", trying to trace down some   
   > >>> low freq noise and was also looking at Zoom F3,   
   > >>> but I'd also need a microphone and don't know what to choose.. ,   
   > >>> so I did not buy it, but would be very interested   
   > >>> if someone can recommend a setup which is more suitable   
   > >>> for such a task - recording low freq noise - like 20Hz - 150Hz -   
   > >>> than a phone/headset mic :)   
   > >>> I tried to record / listen to rule out tinnitus and/or me going crazy :)   
   > >>> but did not hear it in the recording, just background noise,   
   > >>> so its either the phone is not good for it, or its "just" a phantom   
   > >>> sound.   
   > >>>   
   > >> I have a Zoom H2 which gave a decent rendition of the 64 foot pipes on   
   > >> the Grande Orgue at Rouen cathedral using its internal microphones.   
   > >>   
   > >> My problem wasn't with the recording, it was with finding a speaker that   
   > >> could reproduce it. That may also be your problem, though phones do have   
   > >> some 'orribke filtering when recording audio, and the analogue parts are   
   > >> heavily optimised for understandable speech. Almost as bad as what they   
   > >> do to videos and images.   
   > >   
   > > Thanks for the idea, I'll double check the headphone specs; I   
   > > thought speakers - as they are designed to play bass - should be more   
   > > capable of playing LF sound than mics recording it. I've just started to   
   > > learn more about sound / in depth, 2 weeks ago I had no idea about what   
   > > is a standing wave / antinode and these stuff, for example :)   
   > >   
   > To give an idea of how limited most domestic equipment is when   
   > reproducing bass, listen to a CD of "Diamonds on the soles of her shoes"   
   > by Paul Simon. With decent bass, you can feel the voices in the a   
   > capella section in your chest.   
   >   
   > Microphones are often more linear and go lower than speakers, which   
   > suffer from the problem of having to move very large amounts of air for   
   > bass as against higher frequencies. I had 100 Watt main speakers and a   
   > 600 Watt sub in my mixing room when I was mixing CDs for sale. I miss   
   > that system, but the neightbours don't.   
      
   If the intervening walls are too flexible, the missing bass you are   
   compensating for finishes up at the neighbours.   
      
   --   
   ~ Liz Tuddenham ~   
   (Remove the ".invalid"s and add ".co.uk" to reply)   
   www.poppyrecords.co.uk   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)