The amplitude of a periodic variable is a measure of its change over a single period
Questions tagged [amplitude]
147 questions
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Java: 2D Perlin Noise Creation
There are not many easy-to-follow Perlin Noise tutorials out there and certainly not in Java or 2D. I followed this tutorial to a point but it doesn't explain 2D noise very much at all. I know you have to generate an array of numbers then…

MrDrProfessorTyler
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How to config tracking of progressive web apps in GTM and send to Amplitude?
How do we config tracking Progressive Web Apps in Google Tag Manager and send to Amplitude? Do we use browser SDK?
Thanks

sysphp
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- 5
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Calculate Decibels from AudioRecorder in Android
I am using the Android AudioRecord to get a continuous audio buffer. During theread, I want to evaluate the highest decibel from the buffer.
Below is the configuration of AudioRecord:
sample rate = 16000; channels = 1; bits per sample =…

Anshul Saraf
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- 5
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NameError: name 'sacc_dictionary' is not defined
actually i am developping an eye movement application, i create dictionary for saccade-based n-grams:
where each character encodes one direction, capital characters stand for long saccades, the others for short ones and short means the saccade…
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Adding Amplitude to store module in Vue app with Nuxt
I have a Vue app with with Nuxt and I am instrumenting it with Amplitude. I have already installed nuxt-amplitude via npm and actually I can log in .vue modules using
this.$amplitude.getInstance().logEvent('event')
But now I want to log from a .js…

Ulises
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How to fit 2 gauss in python
I am a new user of Python. I am trying to fit 2 Gaussians with data but there are some errors in the results.
import matplotlib
import matplotlib.pyplot as plt
import numpy as np
import scipy as scipy
from scipy import optimize
from…

EL-san
- 29
- 4
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1 answer
Amplitude Unity iOS 'Amplitude\Amplitude.h' file not found
I added the Amplitude SDK to an existing Unity project, on Android it was fine, but for iOS when I try to build I get this error in xcode ... "'Amplitude\Amplitude.h' file not found"
Project uses Unity 2021.3.9f1 and Ar foundation
I get the same…

Guye Incognito
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AudioKit v5 - Why is the loudness of the DynamicOscillators different depending on which Waveform Table I have set for them?
I am using AudioKit to build a simple music application that plays sound when buttons are pressed. When a button is pressed, I call .openGate() on an Amplitude Envelope that has a Dynamic Oscillator as an input.
However, I notice that when I call…

Evan Escobar
- 93
- 8
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0 answers
Get Audio Amplitude Value from a Video Streaming Source
I need to calculate amplitude of the audio from a video streaming source which is in .asf format in PYTHON. Currently, I have tried to convert it into .wav file and used wave python package but I need to do it in real time. In short, need to perform…

Ali Raza
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Amplitude in SwiftUI. I get "invalid_api_key"
I am integrating Amplitude into a SwiftUI project.
I get a message that Connection response received:400, invalid_api_key
Tried to do it this way, in this case the data was transferred, but it doesn't work in…

Max
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AudioKit v5 - Why is the audible 'Release Duration' longer than the Amplitude Envelope's programmed Release Duration?
Using the AudioKit Cookbook as a reference, I am trying to build a simple application to test AudioKit features before building a larger application.
There are 2 buttons, 2 oscillators, 2 amplitude envelopes for each oscillator, 2 faders for each…

Evan Escobar
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- 8
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0 answers
Do I need to show AppTrackingTransparency prompt to use Amplitude for only analytics?
I'm making a flutter app and using Amplitude only for analytics not for advertisement and doesn't send the data to other websites or people.
I don't use any information of our users except email address. I just use an email address as an user's…

황희윤
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Amplitude Spectrum of a function
My question is related to plotting amplitude spectrum.
Problem 1: (I have solved it) I have to represent the following function as a discrete set of N=100 numbers separated by time increment of 1/N:
e(t) = 3sin2.1t + 2sin1.9t
I did it using stem…
user9470630
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1 answer
Extracting annual amplitude and phase of xarray dataset for each pixel using xarray.DataArray.curvefit
I was wondering how can I extract annual amplitude and phase of xarray time series using xarray.DataArray.curvefit. We fit a 1d function in time to return annual and seasonal amplitude and phase with dims (x, y)
We can use formula similar to…
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Amplitude in Frequency domain not matching time domain signal after FFT in python. Explanation?
I am trying to create a Power spectral density function in python that outputs the amplitude spectral density and cumulative power spectral density graphs. I am using scipy.fft to compute the FFT of my output data. Then an operation to compute the…

mechPadawan
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