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An easier way to get started

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13th Duke of Wymbourne

In Reply to: RE: Ultrasonic content in music posted by reuben on November 19, 2023 at 18:32:49

You can use Audacity (a free download) to do spectrum analysis of a hi-res digital file. You can take a look at the ultrasonic content of a hi-res digital download and you might know someone who makes hi-res needle-drops. These could guide you before you spend time and money.

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An even easier way to get started - 13th Duke of Wymbourne 12:55:56 11/20/23 (1)
If you are just trying to get a 'feel' for how much ultrasonic energy exists in music releases have a look at Hi-Fi News' Hi-Res reviews, which contain spectral plots. I do not know the difference between the red and blue lines - probably different averaging - but you can see in all cases the amplitude rolls off steadily so ultrasonic content is small.
- https://www.hifinews.com/category/hi-res-downloads (Open in New Window)
Edits: 11/20/23 11/20/23
- RE: An even easier way to get started - reuben 17:50:37 11/20/23 (0)
  Thanks for the tips and especially for the lifeline into the present century. I will check it all out starting with the reviews and the audio performance of my PC. I have a lot of catching up to do.
  Regards,
  Tom
  
  Dark energy? Ridiculous!
  We live in an electric universe.

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