# Tag Info

Accepted

### How to align similar TimeSeries like ImageAlign?

One way to approach this is with "Dynamic Time Warping". First, preprocess your data to get the MFCC coefficients and extract the data from the time series: ...
• 69.4k
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### Sound synthesizer using Manipulate

First let me observe that your coding style makes debugging difficult, I highly recommend breaking giant expressions into manageable pieces. Second, in the code below I have used a different ...
• 85.2k
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### How fast is my fidget spinner spinning? A sound experiment!

First, import the audio and extract usable data from it: ...
• 1,883
Accepted

### Can Mathematica be used to edit MP3 tags?

Yes. The documentation mentions here that it can import ID3v1, ID3v2 and APE tags. The metadata is returned in a nested association. Now to try it on whatever mp3's I have lying around: ...
• 25.6k

### Generating random sequence of integers with ordering constraints

Perhaps have a look at DiscreteMarkovProcess using an appropriate transition matrix embedding your constraints? Here's a simple example, implementing 1-5 above, to ...
• 4,405
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### If we listen to the sound, why does $\sin(x^2)$ shrink and grow in intervals?

What (I think) happens is that you use a constant rate of $8000\,\text{Hz}$ on a steady increasing frequency. This leads to interesting effects when the frequency of the function gets bigger than you ...
• 5,385

### How to record a sound and play the reverse of that in Mathematica?

Let's first try with a sound sample from MMA examples repository: s = Import["ExampleData/rule30.wav"] A FullForm of ...
• 7,683
Accepted

### Identifying Silence in Audio

Import the subject audio: aud = Import["http://home.ustc.edu.cn/~xiaozh/SE/del_silences.wav"] Identify silences: ...
• 1,008

### How to measure Sample Rate?

One can also use Import[] to directly query the *.wav file's sample rate, like so: ...
Accepted

### How to programmatically play an Audio object?

The following resulted from a lot of spelunking and reading the code of AudioPlay. ...
• 236k
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### Beep anytime evaluation finishes

An alternative to EvaluationCompletionAction would be to adjust \$Post. Try ...
• 1,521

### Wolfram Neural Net Repository Questions

I believe I'm a heavy user of the neural network framework and the Wolfram Neural Network Repository(WNNR) and these are how I see the WNNR from a user's perspective. Hope it will be helpful. First of ...
• 27.7k
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### Why does Mathematica take so long to produce this sound?

Creating the audio signal as a vector first allows us to use more efficient ways to sample the function: ...

### How to programmatically play an Audio object?

You can also use SoundAudioToSound[] to convert the Audio[] object to a Sound[] object that ...
Accepted

### How to visualize overtones in Mathematica?

You can use Manipulate with an IntervalSlider to look at the different harmonics. ...
• 160k
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### Problem with Spectrogram

You should get the old result back by setting MaxPlotPoints -> Infinity in the Spectrogram call, eg ...
• 301
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### How to measure Sample Rate?

solo = Import[ "ExampleData/rule30.wav" ] ...
• 399k
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### Computing FundamentalFrequency

You can use Cepstrum,Wiki says It was originally invented for characterizing the seismic echoes resulting from earthquakes and bomb explosions. It has also been used to determine the fundamental ...
• 6,836

### How fast is my fidget spinner spinning? A sound experiment!

Using Fourier Discrete Transform. Let's start by observing the Fourier content of the beginning of the signal: ...
• 14.4k

### Why does Mathematica take so long to produce this sound?

The way you have created the function you are forcing MMA to keep evaluating your expression, which although lightweight on its own, is rather heavy when it needs to be repeated for different values ...
• 1,438

### Generating Shepard and Risset tones

to generate middle c.. you make the air vibrate 262 times in 1 second If you give mathematica a Sine wave that repeats 262 times a second it will convert this to sound wave. For a Sine function to ...
• 7,459

### How do I use Mathematica to upload to Clyp?

Important Note: Clyp seems to have changed its API-related policies recently in a way that breaks the routine given below. I do not know how to fix this. I can only guarantee that it was working well ...

### Combining Midi Files

Here is an answer using Audio and AudioData. ...
• 37.9k
Accepted

### I believe Beep uses the system sound which is obnoxious and rude. How does one create a friendlier less intrusive sound?

It's not too hard to make your own Beep[] and change the definition. You may have to let Mathematica download the Marimba sound the first time you use it, or ...
• 25.6k

### How to perform Blind Source Separation on an audio mix?

In this post the first question is fully answered, the second question is answered using Independent Component Analysis, not Fourier transform. For further details on using Independent Component ...
• 37.9k

### Close encounters of the third kind

Using info from here: Wikipedia Piano key frequencies ...
• 31k
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### Combining Midi Files

Explanation Sound can combine the two sound sequences: Sound[{s1, s2}] the problem you may be facing is that if you do ...
• 36.9k

### How to generate Pink Noise using Mathematica 8

Mathematica 8 does not have AudioGenerator, but you can implement your own pink noise function. I looked up how to do this, and the simplest way seems to be the ...
• 236k
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### Weird Export of .M4A format

I found the same problem with version: 11.3.0 for Mac OS X x86 (64-bit) (March 7, 2018) The documentation for M4A says that MMA follows the ISO/IEC 13818-7 standard and that "a few sampling ...
• 5,250