Questions relating to Mathematica's sound and audio functionality, including Play, Sound and Speak
-1
votes
1answer
100 views
Creating a number station [closed]
This is a question about manipulating sound (wav files).
The goal is to produce something that sounds like a number station broadcast,
see e.g., 4:00 in http://www.youtube.com/watch?v=EdnoAJ7KoFE
It ...
5
votes
1answer
100 views
Is there a way to prevent audio from becoming out of sync with graphics?
The code below could be used to say help Pre-Kindergarten and Kindergarten children learn about the numerals and numbers from one to 9. The problem is that this age group would be prone to just ...
0
votes
0answers
45 views
How can I import sound from within a Manipulate expression?
I want to import sound from a file, record, and import sound.
...
0
votes
1answer
55 views
How to import sound file from computer? [duplicate]
I know you can import sounds/images from the Mathematica library, but I was wondering if I could import sounds I have on my computer (i.e. .wav files)? I've tried using the Import functon and properly ...
5
votes
1answer
53 views
Why does Play fail to produce a widget sometimes?
If I define:
aNote[x_] := Sin[440 * 2 * Pi * x];
then this works (i.e. it produces a widget with a Play button, and clicking on this button produces an A note):
...
7
votes
2answers
239 views
How to approximate a given WAV file with trigonometric series?
I'd like (together with a few people) to prepare a presentation about Fourier series for middle/high school students. I thought it might be quite cool to play a violin sound from, say, a WAV file, ...
2
votes
3answers
126 views
Using Manipulate to vary the frequency of a sound produced by SoundNote[]
I have tried various ways to combine Manipulate and Sound/SoundNote that would allow me to vary the frequency of a sound while it is being produced. The addition of Dynamic didn't help, but did ...
6
votes
1answer
112 views
Why is there a limit of 15 different instruments to be played simultaneously, with Sound / SoundNote?
It seems to be impossible to play more than 15 different instruments simultaneously with the Sound[{Soundnote[...],...}] construct. Any guesses why it is so?
With ...
1
vote
0answers
65 views
Better alternatives for the Sound function?
The Sound function represents the sound signal very primitive in my opinion.
There are only two buttons (play and pause). No rewind, no playing from some point on (like the most sound players have). ...
4
votes
1answer
175 views
How to get the total intensity of a certain frequency range in an audio file?
Does anyone know how to get the total intensity of a certain frequency range in an audio file?
Let's say an audio file has a frequency range from 0Hz to 20KHz, and I want to extract the total ...
2
votes
1answer
180 views
An ancient MIDI keyboard?
There is a demostration project
http://demonstrations.wolfram.com/KeyboardAndComposer/
where you can compose Western music using a 97 keys simulated midi keyboard.
I study eastern and ancient music ...
8
votes
3answers
232 views
How to play microtonal music using Mathematica?
I am trying to model microtonal music using Play.
I have only partial success because it takes such a long time to make some sound.
Could you please have a look ...
2
votes
2answers
157 views
Sound data Import Export
Can't regain the data after Export.
Create an array of sampled amplitude values:
2. Visualize as sound
3. Save it
4. Get it back
5. ???
...
4
votes
1answer
136 views
Multiple instrument chord
I would like to create a chord using multiple instruments. This started as an attempt to explain music to a friend but my curiosity has taken over. I am familiar with the SoundNote function.
I know ...
6
votes
1answer
198 views
Making a wav file from a list of numbers in Mathematica
I have a list of numbers from a simulation of acoustic pressure generated by a virtual musical instrument by another program (Comsol multiphysics). I would like to "hear" the tone produced by ...
8
votes
2answers
780 views
How do you remove noise to detect just the human voice?
How do you detect different sound frequencies and cut off parts in an audio file? Among instruments, how do you pick up the human voice?
2
votes
3answers
140 views
Notification sound when simulation done? [duplicate]
Possible Duplicate:
Customize front end to add notifications when evaluation finishes?
How to setup sound alert notification when simulation is complete?
I need to do something else while ...
4
votes
0answers
167 views
Realtime audio processing using Dynamic
Can I make real time audio processing with Mathematica in the same way I can do with images using Dynamic[CurrentImage[]].
I know that is possible to use ...
8
votes
1answer
182 views
How to add a short wav music clip into a Mathematica animation
I have the following Mathematica animation:
Animate[Plot[k*x^2, {x, -2, 2},
PlotRange -> {{-2, 2}, {-10, 10}}], {k, -2, 2, 0.1}]
I also have a sound file ...
17
votes
1answer
273 views
How can I interrupt Speak?
I want to use an event handler to stop speaking:
Speak[ExampleData[{"Text", "DonQuixoteISpanish"}]]
The only way I can stop this is by restarting mathematica!
4
votes
2answers
192 views
How can I emit a sound only during a mouseover?
Emitting a constant sound or note (no interruptions) for a fixed duration is easy, but a dynamic duration, not so easy.
6
votes
1answer
283 views
How to use and input audio wav file into a Wolfram demonstration
I am trying to send a Wolfram demo, which contains a sound wav file.
sound = Import["C:/myfile.wav", "Data"];
snd := sound[[1]]; or snd = sound[[1]];
Is it ...
3
votes
1answer
256 views
How can I regulate 'Play sound duration' in Mathematica 8
How can I regulate the time of play sound[s] - duration in Mathematica 8. I want to import and save wav file in *.nb document & manipulate (with) the sound duration, for example, select sound ...
5
votes
1answer
81 views
Is it possible to concatenate sounds?
I used to be able to make a Table of ListWaveform objects, and Export them; ...
2
votes
1answer
71 views
What replaced ListWaveform?
My old Mathematica code used ListWaveform to produce a sound file from a table of amplitudes and frequencies; this seems to no longer exist. What replaced it?
14
votes
1answer
312 views
Manipulating a continuous stream of sounds
I need some audio-feedback when a locator is moved on a surface. I have the following code that produces a beep every time the dynamic controller is interacted with such that the pitch of the sound ...
13
votes
3answers
626 views
Is it possible to use Mathematica to record sound and/or vision?
I think the title says it all. I know about ImageCapture which seems to capture stills.
Can ImageCapture be made to capture a ...
17
votes
3answers
1k views
Can one find the beat of a tune with Fourier analysis?
I'm trying to find out if it's possible to find the beat of a tune by Fourier analysis with Mathematica. I'm taking a 44.1 kHz sample sound and hoping that I might get a nice peak for a frequency ...
6
votes
1answer
1k views
How to extract sample values from an imported WAV file?
Suppose I read a file with
B = Import["something.wav"]
Now how can I obtain a list of sample values?
15
votes
4answers
741 views
Random data generator
Inspired by Quality of random numbers I would like to set up a true random data generator in Mathematica.
My idea is to use the static from an open microphone. I recall reading about extracting the ...
10
votes
2answers
494 views
Creating a realtime MIDI Out
I have a live stream of notes and note velocities using SoundNote and SoundVolume. My problem is that I have no idea how to ...
