It is time for better quality audio. Valiant Stereophile has posted a petition on change.org to demand the option of high definition music downloads. Audiophiles are ready for change and it is as simple as signing a petition. Access to high quality music files could be at your fingertips very soon.
Read the full article here:
Petition for Better Sound | Stereophile.com
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I’m seeking info for sanctuary reverberation absorbsion material ( panels) and best placement.
There may be apps that do that. You can definitely find spectrum analyzers that will measure ultra low.
Is there an APP that can measure the ultra low frequency levels?