# Tagged Questions

Questions relating to Mathematica's sound and audio functionality, including Play, Sound and Speak

2k 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 ...
1k views

### Frequencies represented in a DFT list (Fourier[])

I have a sound sample (sample rate: 44100). When I have a list l with n successive elements from the sample, ...
2k views

### May the Fourth be with you

Happy Star Wars day. I was playing around with the image manipulation functions in Mathematica in an attempt to recreate the Star Wars crawl. There's an HTML/CSS implementation which is in my ...
393 views

### How to manipulate spoken text with Speak?

I need to vary the speed, pause, reverse and in general control aspects of the playback of Speak[] is this possible?
4k 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?
742 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 ...
2k 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, ...
682 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 ...
347 views

### How to export Speak output?

I made a series of interval workouts based on Speak[], where the voice tells me when the intervals start, when they stop and how much time I have left to prepare. ...
485 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 ...
4k 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?
957 views

### How to Speak in a foreign language?

A previous question changed the pronunciation by changing the spelling of words or by externally changing the default system voice. This is useful for speaking in foreign languages too, but I don't ...
772 views

### How do I change the way Mathematica pronounces English words (e.g. “futile” is not pronounced correctly)?

I am absolutely desperate. I cannot get my Borg to pronounce "futile" correctly. Speak["Resistance is futile."] Leo pronounces "futile" as expected and there is ...
88 views

### Export an animation as .avi file with sound?

If I have a list myTb containing Image objects, I can export the list as an .avi file using the command ...
3k 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 ...
1k 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 "...
982 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 ...
159 views

### How to loop a sound

I have created a sound which I would like to play continuously until stopped, by looping back to the beginning. The sound is represented as list of samples, which can be played by ...
182 views

### How to get the frequency information of an mp3 audio?

I have: music = Import["http://www.qlcoder.com/uploads/145425353234642.mp3", "mp3"] Then I get: But what I want to get is ...
405 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 ...
597 views

### Why can I still hear sound when the frequency of the periodic function inside Play is higher than the range of human ear?

We know that usually sound that is perceptible by humans has frequencies from about 20 Hz to 20,000 Hz, but as the title said, I can still hear the sound of the outputs of the following code: ...
237 views

### Resources for Sound Synthesis & Design

Are there any resources for sound synthesis using Mathematica? This page, Mathematica: Audio Synthesis Software, refers to other software packages, e.g. Max/MSP and Csound, for real-time synthesis. ...
531 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 ...
185 views

### How can I convert a Sound created with SoundNote to a list of samples?

I have a Sound created with SoundNote, as follows: simpleSound = Sound[SoundNote["C"]] ...
402 views

### Demonstrate aliasing effect in sound

I'm trying to demonstrate the aliasing effect using sound, that is, when the sample rate is fixed and the sound frequency is increased, we would hear the sound pitch go down when we pass the Nyquist ...
132 views

### Clickable clock making sound

I have a moving clock Dynamic[Refresh[ClockGauge[], UpdateInterval -> 1]] which should be clickable. Program should make a sound when hand of a clock will ...