# Questions tagged [sound]

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

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88 views

### AudioLocalMeasurements and MFCC

I call AudioLocalMeasurements as follows: ...
63 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 ...
48 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 ...
185 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 ...
132 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 ...
263 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 ...
187 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 ...
652 views

### How to combine Neural Network and Audio like Classify?

I want to combine Audio object and Neural Network ,first thing I remember is Classify ...
126 views

### Confused about the usage of AudioSpectralTransformation

The documentation for AudioSpectralTransformation says: AudioSpectralTransformation computes the short-time Fourier transform of audio, maps every value at ...
341 views

914 views

### Close encounters of the third kind [closed]

anyone knows how to generate the 5 tone notes of the movie? It's only for have fun. Thanks
882 views

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

There have been several scholarly publications on the Blind Source Separation (BSS) problem. Some are aimed at audio signals. I wish to start with a simple case. I have generated a custom sound mix ...
303 views

### How to automatically play a sound file after importing

I want Mathematica (Version 11.0.1.0) to automatically play a specific sound file after importing from the hard drive without any user intervention other than opening the notebook. Here is what I have ...
174 views

### Import audio of a video

I recorded some videos with my webcam using QuickTime and imported the .mov files as an ImageList into MMA using Import which supports QuickTime Version 7 and earlier. The question is how do I get the ...
801 views

### Beep anytime evaluation finishes

These days I have to do long evaluations and I would like to get back to my notebook as soon as they end. Is there a way to ask Mathematica to produce a sound signal anytime it ends an evaluation? I ...
47 views

### Speak stops on first Hyphen with IntegerName

IntegerName returns the text of an integer. However, when Speak is applied to the result it stops at the fist hyphen. For ...
109 views

142 views

### How can I import "wav" file like "RecordSound"

How to import audio file like as "SystemDialogInput["RecordSound"]"? ...
126 views

### How to play MIDI instrument at arbitrary pitch

With SoundNote, one can play specific semitones using numerous styles, such as Piano, Flute, ...
537 views

### How to align similar TimeSeries like ImageAlign?

I have three audio files. ...
227 views

### How to use AudioTrim to delete the silences?

I have an audio file named del_silences.wav. I want to delete the silence intervals. But using AudioTrim, the audio almost has no change: ...
67 views

### How to access time index while playing audio?

I'd like to access the current time (in seconds) while playing audio. For example: song = Import@"file.mp3"; id = AudioAudioInformation[song, "AudioID"]; Then ...
333 views

### How to make Audio work dynamically and separately like DynamicImage?

In Mathematica, there is a new function DynamicImage that can enlarge or drag picture dynamically. So, is there a function ...
120 views

### Split audio with AudioIntervals

How do I split an Audio object into multiple ones, where the ith object represents the ith interval satisfying a certain criterion? A quick and dirty solution I just thought of is this: ...
85 views

### Implementing custom audio filters that work on file-backed Audio[] objects

Audio supports out-of-core processing. We can create a file-backed Audio object using au = Audio[File[...]]. Any filters ...
100 views

### How to test if an Audio object is file backed and extract the file path?

Audio objects can be file backed and support out of core processing. How can I test if an Audio object is file backed and ...
909 views

### How to programmatically play an Audio object?

A Sound object can be programmatically played using EmitSound. Example: ...
1k views

### Finding peaks on a Periodogram

I am currently working on a school project involving modelling sound recordings of piano notes. I have used the periodogram function to graph my recording and would like to find the peaks of this ...
180 views

### Remove sound emitted after evaluation

After the evaluation of a cell Mathematica emits a sounds: how can I remove it? If needed, I use v.10 on a Windows 8.1 64 bits machine.
818 views

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

How do I record a sound and then play its reversed version?
65 views

### What' s wrong with my code with play` in table [duplicate]

I couldn't find the reason why the following code consumming my time (1min no output results): ...
789 views

### Generating Shepard and Risset tones

The Shepard tone is a famous auditory illusion where the successively generated tones seem as if they keep going higher and higher in pitch. The Risset glissando is a similar auditory illusion, but is ...
453 views

### Sound synthesizer using Manipulate

Sound synthesizers, both digital and analog, often include a parameter section for shaping the amplitude of a sound wave over time. This parameter section is commonly known as an "ADSR EG" (attack, ...
142 views

### Generating sound according to a mathematical function [closed]

I would like to get sound clips that essentially are frequencies varying according to certain recognizable math functions like sin, tan, floor, absolute value etc. Please help. Thanks
102 views

### Loss of scale factor when reading/recording/rereading data in a WAV file [duplicate]

I use recorded data from an acquisition system in a wav file containing 6 channels, all data are encoded with 2 bytes in Integer 16. I can Import the *.wav data file and get all data in a Sound object ...
309 views

### Identify a note in a song using Mathematica

I'm trying to figure out how to use Mathematica to identify a note from a song. The short .mp3 file found here or here contains a bass-note that I'd like to identify. I can find it through ...
588 views

### How to add echo to audio file?

After importing a sound file, how can I add an echo to it? sound = Import["test.wav", "SampleRate"] It needs to be apply after time specified by user. This is ...