If the first three rounds had identical sonic signatures and the next five had their own identical signatures, wouldnтАЩt that eliminate the mic as a variable?
It wouldn't eliminate the location of the microphone as a variable, unless it was provably in the same place with the same orientation for all three readings.
Where is its two dimensional polar certification?
Cellphone microphones are not certified for anything.
Right then, let's wait for the official investigation into the shooter's encrypted phone for some solid leads.
If the first three rounds had identical sonic signatures and the next five had their own identical signatures, wouldnтАЩt that eliminate the mic as a variable?
It wouldn't eliminate the location of the microphone as a variable, unless it was provably in the same place with the same orientation for all three readings.
I used to run a sound crew when I wasn't being a broadcast engineer.
Cellphone microphones cost pennies.