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Acquire Continuous Audio Data - MATLAB & Simulink
https://www.mathworks.com/help/daq/getting-started-acquiring-data-using-audio-in-session.html
start (dq, "Duration" ,seconds (10)); figure (hf); function continuousFFT (dataHandle, plotHandle) % Calculate FFT (data) and update plot with it. data = read (daqHandle, daqHandle.ScansAvailableFcnCount, "OutputFormat", "Matrix" ); Fs = daqHandle.Rate; lengthOfData = length (data); % next closest power of 2 to the length nextPowerOfTwo = 2 ^ …
How to produce a continuous sound? - MATLAB & Simulink
https://www.mathworks.com/matlabcentral/answers/23675-how-to-produce-a-continuous-sound
You can more or less continuously stream a sound (up to about 2^32 samples) with the right interface. Neither sound nor audioplayer let you do this. You can use the winsound device in the Data Acquisition Toolbox. Even better is to use a port audio sound interface. I prefer the one with psychtoolbox, but pawavplay and playrecord also work.
Continuous Audio Buffer in MATLAB? - MathWorks
https://www.mathworks.com/matlabcentral/answers/399371-continuous-audio-buffer-in-matlab
I'm somewhat new to MATLAB and its environment. For a bigger project I need to be able to construct a continuous Audio-Buffer of a certain size, that will automatically "overwrite" itself once it has run full. The Buffer should receive input from a microphone and record the entire time while the program is running.
Module 5: Record Audio Signals in MATLAB
https://catalyst2019.github.io/files/Module5-record-audio.pdf
in recording an audio signal with MATLAB. A microphone converts acoustic sound waves (which are essentially variations in air pressure over time) into continuous electronic signals (voltages). These voltages are then filtered using a so-called low-pass filter with cut-off frequency fs/2. In …
Record and Play Audio - MATLAB & Simulink
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 …
How to record audio continuously, and have access to last ...
https://la.mathworks.com/matlabcentral/answers/483602-how-to-record-audio-continuously-and-have-access-to-last-x-seconds-of-data
I would like to be able to record audio continuosly, and be able to process the last say 10 seconds of data. The recording may run for a while before I need to process the data, and so I need a solution which only saves the last 10 seconds, and …
Record audio to audiorecorder object - MATLAB
https://www.mathworks.com/help/matlab/ref/audiorecorder.record.html
Description. record (recorderObj) records audio from an input device, such as a microphone connected to your system. recorderObj is an audiorecorder object that defines the sample rate, bit depth, and other properties of the recording. record (recorderObj, length) records for the number of seconds specified by length.
image processing - Continuous Video Recording in …
https://stackoverflow.com/questions/14864151/continuous-video-recording-in-matlab-saving-restarting-on-a-memory-cap-ending
Continuous Video Recording in Matlab, Saving/Restarting On a Memory Cap, Ending on a Flag. Ask Question Asked 8 years, 11 months ago. Active 8 years, 11 months ago. Viewed 3k times 0 I would like to record a continuous video in Matlab until some other flag changes, allowing matlab to continue performing other tasks during video acquisition ...
Real time audio input, audio output - MATLAB & Simulink
https://in.mathworks.com/matlabcentral/answers/384730-real-time-audio-input-audio-output
plotFFT = @ (src, event) helper_continuous_fft (event.Data, src.Rate, hp); hl = addlistener (s, 'DataAvailable', plotFFT); This says that every time data is available, that plotFFT is to be called with parameters src and event, and that event.Data will have the actual data input. "and output these to an audio drive".
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