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Scale data and play as sound - MATLAB soundsc
https://www.mathworks.com/help/matlab/ref/soundsc.html
soundsc(y) scales the values of audio signal y to fit in the range from –1.0 to 1.0, and then sends the data to the speaker at the default sample rate of 8192 hertz. By first scaling the data, soundsc plays the audio as loudly as possible without clipping. The mean of …
Apply time scaling to streaming audio - MATLAB
https://www.mathworks.com/help/audio/ref/audiotimescaler-system-object.html
Set InputDomain to "Frequency" and specify the window and overlap length used to transform time-domain audio to the frequency domain. Set LockPhase to true to increase the fidelity in the time-scaled output. alpha = 0.8; timeScaleModification = audioTimeScaler ( ...
Time-stretch audio - MATLAB stretchAudio
https://www.mathworks.com/help/audio/ref/stretchaudio.html
audioOut = stretchAudio (audioIn,alpha) applies time scale modification (TSM) on the input audio by the TSM factor alpha. example audioOut = stretchAudio (audioIn,alpha,Name,Value) specifies options using one or more Name,Value …
FFT Scaling of audio (Freq) - MATLAB & Simulink
https://www.mathworks.com/matlabcentral/answers/250288-fft-scaling-of-audio-freq
Hi, im Trying to scale my axis in an FFT in matlab - im trying to analyze a sound signal where I have used bCall to cut a piece of the signal out - I have searched and tried diffrent methodes for scaling, but non have worked.
Matlab function: soundsc – Scale data and play as sound ...
https://itectec.com/matlab-ref/matlab-function-soundsc-scale-data-and-play-as-sound/
Description. soundsc (y) scales. the values of audio signal y to fit in the range. from –1.0 to 1.0, and then sends the data to the speaker at. the default sample rate of 8192 hertz. By first scaling the data, soundsc plays. the audio as loudly as possible without clipping. The mean of the. dynamic range of the data is set to zero.
Audio Processing with MatLab - Iowa State University
http://class.ece.iastate.edu/mmina/ee186/labs/Audio.htm
Section 3: Audio Scaling . To scale an audio file the soundsc() command is used. This allows for the modification of an audio signal’s amplitude or frequency. soundsc(y,Fs); To increase the volume of the audio track you can multiple the variable it is stored in by a scalar. To slow down or speed up the track played you can adjust the sampling rate. Comment on your observations …
Time-stretch audio - MATLAB stretchAudio - MathWorks …
https://jp.mathworks.com/help/audio/ref/stretchaudio.html
Method — Method used to time-scale audio'vocoder' (default) | 'wsola'. Method used to time-scale audio, specified as the comma-separated pair consisting of 'Method' and 'vocoder' or 'wsola'. Set 'Method' to 'vocoder' to use the phase …
Record and Play Audio - MATLAB & Simulink - MathWorks
https://www.mathworks.com/help/matlab/import_export/record-and-play-audio.html
Create an audioplayer object, then call methods to play the audio. For example, listen to the gong sample file: load gong.mat; gong = audioplayer (y, Fs); play (gong); For an additional example, see Record or Play Audio within a Function. If you do not specify the sample rate, sound plays back at …
Read audio file - MATLAB audioread - MathWorks
https://www.mathworks.com/help/matlab/ref/audioread.html
Create a WAVE file from the example file handel.mat, and read the file back into MATLAB®. Create a WAVE ( .wav) file in the current folder. load handel.mat filename = 'handel.wav' ; audiowrite (filename,y,Fs); clear y Fs. Read the data back into MATLAB using audioread. [y,Fs] = audioread ( 'handel.wav' ); Play the audio.
Scale range of array elements - MATLAB rescale
https://www.mathworks.com/help/matlab/ref/rescale.html
B = rescale (A,l,u,'InputMin',inmin,'InputMax',inmax) uses the formula. l + [ (A-inmin)./ (inmax-inmin)].* (u-l) to scale the elements of an array A when the values of A are within the bounds of inmin and inmax. If l and u are not specified, then rescale …
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