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Alpha-II - Programming Information: Audio Interpolation
https://alpha-ii.com/Info/AudioInt.html
This is what gives lower sampled audio that static sound. What interpolation does is instead of repeating each sample it creates new samples between the Thus a smoother wave form is output. can be used, but the easiest is linear …
Linear interpolation of audio | Max Cookbook
https://music.arts.uci.edu/dobrian/maxcookbook/linear-interpolation-audio
Instead of instantaneous changes when a new number comes from the slider (which might cause clicks in the audio signal), line~ interpolates over 20ms (882 samples). Notice that, although this patch demonstrates the line~ object, the actual changes to the audio are usually not linear, for perceptual reasons.
What Is the Difference Between a Sample and an Interpolation?
https://help.songtrust.com/knowledge/what-is-the-difference-between-a-sample-and-interpolation
While a sample is a snippet of an original song that’s been copied and pasted into an entirely new piece, an interpolation is when a recording is recreated note for note and reflects the underlying composition. For example, if you performed the melody from Lil Wayne’s “Lollipop” single within your own song, it would be considered an interpolation.
Multi-channel audio upsampling interpolation - Signal ...
https://dsp.stackexchange.com/questions/58032/multi-channel-audio-upsampling-interpolation
In general, digital audio is handled using the framework given by the Nyquist–Shannon sampling theorem which enables perfect reconstruction of the continuous-time signal by sinc interpolation of the samples. Deviation from the ideal framework produces noise which should be documented.
Real-time re-sampling and linear interpolation? | Appleton ...
https://www.appletonaudio.com/blog/2015/real-time-re-sampling-and-linear-interpolation/
If the input were an audio signal sampled at 48 kHz, the frequencies between 0 and 24 kHz would map to the frequency range on the graph between 0 and 0.25 (as we are interpolating by a factor of 4). At 18 kHz, we are attenuating the signal by about 11 dB; at 21 kHz, we are attenuating by about 31 dB.
DigitalAudioResamplingHomePage - Stanford …
https://ccrma.stanford.edu/~jos/resample/resample.pdf
Bandlimited interpolation of discrete-time signals is a basic tool having extensive application in digital signal processing. In general, the problem is to correctly compute signal values at arbitrary continuous times from a set of discrete-time samples of the signal amplitude. In other words, we must be able to interpolate the signal between ...
Interpolation Sampling and - New York University
https://eeweb.engineering.nyu.edu/~yao/EE3414/sampling.pdf
samples between every two existing samples • T’=T/L, fs’=fs*L – The estimation of the missing samples from original samples is known as interpolation • Interpolation can be decomposed into two steps – Zero-padding: insert L-1 zeros in between every two samples – Low-pass filtering: to estimate missing samples from neighbors
Data Interpolation and Its Effects on Digital Sound …
http://www.mcm.edu/mathdept/lynn_blair/thesis.pdf
implementing different interpolation techniques to fill in data that is missing from a digital sound file. These techniques were tried on two samples (one perfect sound wave, and one imperfect sound wave) to determine any change in the overall quality. This was accomplished by implementing a random number
Upsampling vs. Oversampling for Digital Audio - Audioholics
https://www.audioholics.com/audio-technologies/upsampling-vs-oversampling-for-digital-audio
Other implementations may create the additional samples by taking some weighted averaging of the samples in the original rate. In almost all cases, the upsampling process also includes an interpolation filter to get rid of the images of the original signal. A simple block diagram of a processing chain is shown below.
Digital Audio 101 - Bit Depth, Sampling Rate ...
https://www.youtube.com/watch?v=W2-FP7twy8s
This video covers the very basics of Digital Audio.In the 2nd part I cover some harder principles, and going into more depth, you can watch Part 2 here: http...
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