Questions tagged [sound]
Questions relating to Mathematica's sound and audio functionality, including Play, Sound, Audio and Speak.
0
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20 views
FLAC to MP3 converter errors exporting meta information
So I'm making a simple .flac to .mp3 converter, but it can't handle the metadata for the files, as sometimes they have incompatible tags. (For example, Xiph is only found in .flac)
The code so far:
<...
0
votes
0answers
14 views
How can I know the true range of the values returned by AudioLocalMeasurements?
I need to normalize the values of different AudioLocalMeasurements results but I can't seem to find any info regarding the range of values in which each measurement ...
2
votes
1answer
51 views
Where to find information about models, data and labels used by Image/AudioIdentify?
I am thinking about using Mathematica 12's ImageIdentify and AudioIdentify functions for an interdisciplinary research project. The social science part of it requires to describe a little bit the ...
3
votes
1answer
36 views
Integers to soundnote for midi generation
To generate a midi file given two lists of integers of equal length, one for the note pitch and one for the corresponding note duration (tempo), I'd like to use the built in Midi file generator, but ...
0
votes
1answer
48 views
Export and import sound give different data
If I export a sound object
and then I import the same sound
I have a different data array. The errors seem to have a certain regularity. They are all multiples of the same value:
Why does it ...
0
votes
1answer
57 views
Manipulate plot and sound of a function simultaneously
I've an amplitude function (see below). I want to manipulate both a plot of this function and the sound it makes with the same sliders.
Is this possible?
...
1
vote
0answers
37 views
Adding of Mathematica “Play” structures in Mathematica 10
I try to do some sound manipulation in Mathematica 10, because i can't upgrade to Mathematica 11 with my students license, which i realise would have a lot more to offer for Audio Processing.
However ...
1
vote
0answers
65 views
Sound Processing frequency Dynamicly
Would like to know if there is a method to call upon the frequency of a song at a given time for instance at 0:34 second the frequency is x ;
But to do this live meaning as long as the song is ...
0
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0answers
51 views
Pressing key to play sound
Is possible to bind keyboard keys so that they make a sound?
I want to make a piano keyboard that I can play from my laptop keyboard.
Example: Clicking "1" on keyboard makes Mathematica start ...
1
vote
0answers
63 views
animated gif with music, sound or voice-over
I created a animated gif. This animation exist of 20 frames. The animation repeats after the last frame.
I want to add music,sound or a voice-over to this animated gif. Who has a suggestion to do ...
0
votes
0answers
47 views
doppler graph using an audio file
I'm trying to plot a graph frequency (Hz) x Time (ms). My problem is, I dont know what kind of data I'm extracting from the audio file. When I write the function: ...
1
vote
1answer
57 views
MouseOver and Speak
I am having an issue where Mouseover doesn't work with Speak and instead returns Null. All ...
2
votes
1answer
56 views
Sound loop without hiccups
I want to make a seamless sound loop that can play forever, but the consecutive EmitSound commands do not merge as I would like them to; that is, the sound seems to hiccup at the point where the loop ...
2
votes
1answer
150 views
CDF Deploy of dynamic module
I am trying to deploy a CDF file with a small animation that does the following: when the button is pressed, it plays a sound and displays a spectrogram ; while the sound plays, a red progress line ...
9
votes
2answers
225 views
Frequency of ticks in mechanical watches
I'm looking to find the frequency of a relatively large dataset (or a relatively short audio file) of a repeating sound, like so:
Here are the original files, for those willing to play. :)
eta2412
...
0
votes
1answer
60 views
My module producing sound could not be compiled
So, here's my code to return a play object after passing in frequency and duration as parameters. When I run it, it says
"Sound::ssnm: A good PlayRange could not be found since most of the
...
2
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0answers
46 views
Create tone with adjustable frequency/amplitude
How can I play a tone and adjust its frequency and amplitude?
As an example, say I wanted to play a SquareWave with a slider for frequency and amplitude. Using a <...
5
votes
1answer
80 views
Weird Export of .M4A format
When Exporting .M4A format audio, the duration is always 1. It seems that the audio is fast-forward played...
Is that a bug and how can I fix it?
Sample code:
...
3
votes
1answer
46 views
Eliminate clicks/pops from Play function
When using the Play function with a simple Sin wave, the audio clicks/pops at the beginning and end of the audio sample. How ...
5
votes
1answer
69 views
Precision-related error in Audio
Bug introduced in 11.3 or earlier
CASE:4075745
I have been experimenting with using Audio and associated functions for data acquisition using an external sound ...
6
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0answers
95 views
Automated Phone Attendant with Mathematica [closed]
I'm considering using an old notebook with a built-in modem as an automated attendant. Basically, it would have the following functionalities:
static menu
pre-recorded messages
caller interaction via ...
0
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0answers
31 views
Cannot import ExampleData/dialing.m4a in mma version 11.2.0.0
I cannot import MPEG-4 audio, whether it be the example file provided, or any other M4A file I have. The documentation clearly states that this should work, but here's what I get when I try it.
<...
0
votes
1answer
41 views
Fine control of AudioRecord
I use an external sound card (Fireface UCX) for data acquisition, generating stimulus .wav files with Mathematica, using Audacity to simultaneously play the stimulus and record several channels of ...
8
votes
1answer
163 views
Audio equivalent of CurrentImage
Unfortunately, there is no CurrentAudio[] function yet.
I'm trying to poll for 1 second clips of audio (as fast as possible) from my computer's microphone (and ...
6
votes
1answer
66 views
How to CloudDeploy an APIFunction that takes audio as input?
I have a function whose argument is Audio and I'd like to deploy it as an API (and then call it from Python). This works as with ...
27
votes
4answers
949 views
How fast is my fidget spinner spinning? A sound experiment!
I would like to measure how fast my 6-bladed fidget spinner spins. To do so, after giving it a hard spin, I gently touch the spinner with a wooden stirring stick to create a buzzing sound which ...
3
votes
0answers
50 views
Finding the beat rate of a song [duplicate]
I'm trying to use Mathematica to find out the beat rate of a song.
The image below shows some markups I made in another program in milliseconds.
I was able to find that there is a pattern every ...
0
votes
0answers
106 views
Playing sound using an array of soundsamples
I have an assignment where I have to apply effects such as reverb to a .wav file using mathematica. I used Import["sound.wav","data"] to get the array and then did ...
2
votes
0answers
43 views
Identifying the range of the voice
I'm trying to do an equalization in an audio program called Audition.
To have a good voice equalization, I need to have a frequency range of my voice.
A minimum value and a maximum frequency value.
...
4
votes
0answers
100 views
Softening Strident Sounds
I asked a question that was very well resolved by kjosborne
I have some audios that I am looking for better the quality.
Now I'm looking for a solution to soften the sound of ...
3
votes
1answer
250 views
Machine learning classify function with audio and set of pictures
As I see from documentation, Classify function supports Audio and Pictures as input, video is not supported unfortunately :(
Will it work if I try to use classify for mixed data input like
...
5
votes
1answer
139 views
Identifying Silence in Audio
I have some audios that contain short spaces of silence with different periods of time.
Looking for information, I found this question.
The audio example is this.
Is there a way the program can do ...
1
vote
0answers
98 views
Generating music notes on the fly, that play over one another
I'm attempting to use Mathematica to generate music on the fly. I know that I can take a list of notes (which have lengths associated with them) and create a sound object, and play that sound object. ...
7
votes
0answers
196 views
Synthesizing Kylo Ren Voice in Mathematica - Start Wars
Kylo Ren voice in Star Wars The Force Awakens is very cool. When I watched the movie in 2015, one of the first things that came up to my mind was how to do such voice in Mathematica. At the time ...
4
votes
1answer
64 views
Extract RawArray from Audio
Audio objects backed by in-memory data (not files) seem to contain a RawArray.
Is there a way to get the ...
0
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0answers
28 views
Minimization Over a Set of Size 1
Set
f[c_?NumericQ] := Module[{data},
data = AudioData[AudioNormalize[Import["myfile.wav"]]];
Mean[Take[data, {c, c + 400}]]]
and then apply
...
2
votes
1answer
59 views
Is there a discrepancy between reported and actual SampleRate in AudioGenerator
When AudioGenerator is used to generate an Audio object, there may be a discrepancy between the specified (and reported) SampleRate and the actual time difference between the samples. This was ...
0
votes
0answers
49 views
Is there a complex version of PeriodogramArray?
I am trying to build some functions to help me work with audio data collected as time streams but converted to the frequency domain. The frequency domain results must be complex because phase is ...
0
votes
0answers
53 views
Is it possible to create an instrumental version of an mp3 file in Mathematica?
I'm aware that it's possible to use a program like Audacity to do this and that it's most likely easier, but I'd like to know how to make instrumental versions of songs in the mp3 format using ...
3
votes
2answers
106 views
Find peak decibel level (or some measure of peak loudness) from audio sample
So a shotgun range opened near my house and I've been tasked by the HOA to do some nuisance analysis. I've got a quick sample of audio and want to find the peak noise levels at the places where the ...
4
votes
0answers
78 views
Undocumented Aspects of MFCC Computation by AudioLocalMeasurements
There are a number of undocumented procedures and parameters underpinning the computation of MFCC vectors by AudioLocalMeasurements including
the size and form of ...
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vote
2answers
110 views
How to generate Pink Noise using Mathematica 8
I have tried to generate pink noise with the following commands :
...
1
vote
0answers
32 views
Is it possible to compute the second stereo track if one has a mono track and one of the stereo tracks?
I'm curious about Mathematica's capabilities to process audio files.
Suppose I want to reconstruct a stereo audio track. The first bit of information I have is a mono track made from a stereo to mono ...
0
votes
1answer
65 views
0
votes
1answer
48 views
Normalization of AudioData
The documentation for AudioData says:
"By default, AudioData[audio] normalizes values to lie between -1 and 1."
One might imagine that the min and max of the result would be -1 and 1 respectively ...
1
vote
0answers
45 views
SoundNote[ ] generates a different output for each audio channel
When SoundNote[] is evaluated, I expect the audio both channels to be the same but they are different.
The code
...
1
vote
4answers
159 views
Generate an audio file which makes rhythmic buzzer sounds
I will perform an experiment which consists of deadlift trials during 5 minutes.
To control the rhythm of this fatiguing exercise, I would like to generate a sound file which gives a buzzer noise ...
2
votes
1answer
100 views
How to turn the internal sound note into the form of function
I want to make a brief Fourier transformation of the sound notes of the same pitch but played by different instruments to see the difference of their Fourier ...
7
votes
2answers
201 views
Manipulate a list representing Bach's Prelude in C
Bach's Prelude in C is repetitious in an easily modelable manner: Each of the first 32 bars is structured so that, if given the first 5 notes, you can construct the entire 16 note bar by appending ...
2
votes
1answer
142 views
Computing FundamentalFrequency
How does Mathematica use AudioLocalMeasurements to compute the fundamental frequency?
Is there any formula? I can't seem to find what method Mathematica makes use ...
