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Real-Time Audio in MATLAB - MATLAB & Simulink
https://www.mathworks.com/help/audio/gs/real-time-audio-in-matlab.html
Real-Time Audio in MATLAB Audio Toolbox™ is optimized for real-time audio processing. audioDeviceReader , audioDeviceWriter , audioPlayerRecorder , dsp.AudioFileReader , and dsp.AudioFileWriter are designed for streaming …
How to record and analyze audio in real-time?
https://www.mathworks.com/matlabcentral/answers/157897-how-to-record-and-analyze-audio-in-real-time
Yanping - when I've used the audio recorder object to record from my microphone, I just add a timer object to the recorder. Then (for example) every second, the timer fires, and I process the most recent one second of data (since the lsat time the timer fired). Something like. recorder = audiorecorder (8192,8,1); set (recorder,'TimerPeriod',1 ...
Audio Signal Processing in MATLAB
https://www.mathworks.com/content/dam/mathworks/mathworks-dot-com/campaigns/portals/files/apple/AudioSignalProcessing.pdf
Audio Player/Recorder - Supports multiple devices, one sound driver per MATLAB session Audio File Reader/Writer ASIO low latency driver support on Windows(R) Custom channel mapping – Audio signal analysis Scopes: time, spectrum analyzer, array plot Transfer function estimator
Real-time Spectrum Analysis - MATLAB & Simulink
https://www.mathworks.com/matlabcentral/answers/424501-real-time-spectrum-analysis
By compare, I mean that if the input audio signal has a frequency component of 500 Hz and the corresponding gain is +2dB, then I want this value (the number 2) in a variable (say x), so that it could be further compared with any other number which we provide explicitly (say 1), i.e calculate the difference between x and 1 in real time.
VisualizeR: Real-Time Audio Visualizer in MATLAB
http://www2.ece.rochester.edu/~zduan/teaching/ece472/projects/2016/Mateo_Gillie_poster.pdf
Audio I/O The Audio Systems Toolbox provides two ways for the project to input audio. The first is from an audio file, read frame -by frame in real time using dsp.AudioFileReader. The second is from the sound card, also read in real time using audioDeviceReader. This second way allows the project to process microphone input.
VISUALIZER: REAL-TIME AUDIO VISUALIZER IN …
http://www2.ece.rochester.edu/~zduan/teaching/ece472/projects/2016/Mateo_Gillie_paper.pdf
A real-time audio visualizer is implemented in MATLAB using the Audio Systems Toolbox. The visualizer produces graphics that more directly reflect changes in the sound, compared to similar consumer products, while maintaining a degree of artistic creativity and interpretation. 1. INTRODUCTION Audio visualizers are included in many modern music
Enhancing a Real-time Audio Laboratory Using the MATLAB ...
https://peer.asee.org/enhancing-a-real-time-audio-laboratory-using-the-matlab-audio-system-toolbox.pdf
of real-time audio: Real-Time Digital Audio Effects, Dual-Tone Multi-Frequency Touch Tone Phone, Sampling and Aliasing, and Voice Scrambler-Descrambler. These labs provide a foun-dation in the mathematical modeling and analysis of signals and of linear time-invariant systems. The laboratory component of the course utilizes applications of
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