05-06-2021, 04:12 PM
This is what a frequency analysis plot looks like directly from an analysis of the ultrasonic audio.
[attachment=720]
What you see from the phone's speaker is a result of the speaker and the microphone interacting more accurately.
You see that there are two peaks around 17.5 kHz. FrequenSee is not exactly the most precise way of measuring this stuff because of the thickness of the blot line and the way it's interface is designed.
[attachment=720]
What you see from the phone's speaker is a result of the speaker and the microphone interacting more accurately.
You see that there are two peaks around 17.5 kHz. FrequenSee is not exactly the most precise way of measuring this stuff because of the thickness of the blot line and the way it's interface is designed.
Subliminal Audio Specialist & Administrator
The scientist has a question to find an answer for. The pseudo-scientist has an answer to find a question for. ~ "Failure is the path of least persistence." - Chinese Fortune Cookie ~ Logic left. Emotion right. But thinking, straight ahead. ~ Sperate supra omnia in valorem. (The value of trust is above all else.) ~ Meowsomeness!
The scientist has a question to find an answer for. The pseudo-scientist has an answer to find a question for. ~ "Failure is the path of least persistence." - Chinese Fortune Cookie ~ Logic left. Emotion right. But thinking, straight ahead. ~ Sperate supra omnia in valorem. (The value of trust is above all else.) ~ Meowsomeness!