Answered
how can i correlate two input signals?
Try the xcorr function in the Signal Processing Toolbox.

mer än 8 år ago | 0

Answered
Matlab bugs / codec issue??
The error indicates that the required codecs are not installed on your school's system. As VideoReader makes use of Windows APIs...

mer än 8 år ago | 1

Answered
How to read a YUV video in MATLAB2015a
You can install codecs such as ffdshow or K-lite codec pack and try and read the videos. If the vision.VideoFileReader is unable...

mer än 8 år ago | 0

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Answered
Where can I get AVI dataset for video processing?
If you have Computer Vision System Toolbox, look in: matlabroot/toolbox/vision/visiondata It has a bunch of AVI files ...

mer än 8 år ago | 1

Answered
How to find the time interval between consecutive frames in video
The notion of key frames and non key-frames is applicable only in the encoded video stream. Once the video is decoded all frames...

mer än 8 år ago | 0

Answered
How to Convert IMAGE into VIDEO[ .avi] Please Help me?
Since I do not know the specifics of what you are trying to do, I am unable to provide you with code. But you can use imread to ...

mer än 8 år ago | 0

Answered
how to read h.264 video in the format .mkv into matlab?
MKV files are not native supported on Windows. You can download the following codec pack: < <http://www.windows7codecs.com/> ...

mer än 8 år ago | 1

Answered
How to record audio from 4-ch MIC array device? (PSEye MIC)
Use the dsp.AudioRecorder systemm object to record more than 2 channels of data. Dinesh

mer än 8 år ago | 0

Answered
Any demo videos in MATLAB??
MATLAB ships two files called xylophone.mp4 and xylophone.mpg. If you have the Computer Vision System Toolbox, there are a b...

mer än 8 år ago | 1

Answered
Why does Matlab close when I try to load a video file?
Hi, It looks you are reading in all the frames in the video into MATLAB albeit one frame at a time. This is most likely the c...

mer än 8 år ago | 0

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Answered
ASIO audio device access
The dsp.AudioPlayer/dsp.AudioRecorder system objects and the From/To Audio Device blocks that are part of the DSP System Toolbox...

mer än 8 år ago | 0

Answered
Trying to write a code for stereo-vision video as i don't have any knowledge on it and referring matlab release notes. when i try to execute the example given in it getting a error ie Undefined function 'detectEigenFeatures' for input arguments .
detectEigenFeatures does not appear to be a MATLAB or computer vision system toolbox function. If you downloaded this code from ...

mer än 8 år ago | 1

Answered
MATLAB plotting loop causes error and hold does not continue when arrows are included in plot
The error appears to indicate that the you are attempting to write a frame having different dimensions than the ones that have b...

mer än 8 år ago | 0

Answered
how to generate random noise and fixed pattern noise in video
Anupriya, You can use the imnoise function in the Image Processing Toolbox to add noise to an image. You can follow these ste...

mer än 8 år ago | 1

Answered
Audioread in loop faster way
One thing you can try is use Parallel Computing Toolbox and read data from each file on a different MATLAB worker. That is the o...

mer än 8 år ago | 0

Answered
Where can I find vippedtracking.avi video?
You can find it at <matlabroot>/toolbox/vision/visiondata I am able to find it on my MATLAB installation. Hope thi...

mer än 8 år ago | 0

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Answered
wav_to_audio auxiliary function not working
If you are on R2012b and higher, I would recommend using audioread because it is an improvement to wavread and it supports a lot...

mer än 8 år ago | 0

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Answered
How can other people view the movie I make in MATLAB using MOVIEAVI?
movie2avi provided support a bunch of really old codecs and so the recommended way to export videos out of MATLAB is to use Vide...

mer än 8 år ago | 0

Answered
How can I obtain audio and video characteristics in multimedia info when I'm using a for loop?
The code below should fix the issue: files= dir('*.avi'); numfiles=length(files); mydata= cell(numfiles,1); info=c...

mer än 8 år ago | 0

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Answered
How can I save a matrix of multichannel audio.
From your description, it is not clear what is the behaviour that you are getting. The dsp.AudioRecorder is the exact function t...

mer än 8 år ago | 0

Answered
How to extract two images from a video avi (or similar) for hot gas leakage analysis from Thermo-camera
JP, If you already have AVI files, use VideoReader to read frames from the video file. If you are attempting to do a live rec...

mer än 8 år ago | 0

Answered
How can one recognize a digital audio interface name /vendor (USB digital audio)?
audiodevinfo can output the name of the device if you give it a a device ID. However, the only way you get the device ID is if y...

mer än 8 år ago | 0

Answered
How can one recognize a digital audio interface name /vendor (USB digital audio)?
Hi Ning, The function audiodevinfo does list the device names. Can you confirm that you are able to use these devices out...

mer än 8 år ago | 0

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Answered
i have created an executable file using deploytool but this tool doesn't support some functions, it's showing error using==> imaqdevice.preview. preview(OBJ) is not permitted in deployed mode. please help me to get preview for my video input.
Mahesh, I do not believe that imaqtool is deployable. You probably would have to write your own. You can search on MATLAB fil...

mer än 8 år ago | 0

Answered
Why standard Waveform from audio out gets distorted when i reduce the amplitude?
Shyam, The reason for this distortion is that some of the signal values are being clipped. When you specify [a, b], it is ass...

mer än 8 år ago | 0

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Answered
Compare 2 audio files - with a twist
You are attempting to check whether two audio recordings are the same without allowing access to the audio data for any kind of ...

mer än 8 år ago | 0

Answered
How to save a video created by 'VideoWriter' to specific file other than current file folder
Provide the full path to the location you want to save the file to when creating VideoWriter. On Windows for example: vwObj...

mer än 8 år ago | 0

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Answered
i want to find and hear the frequency responce of a .wav file using following equation y(n)=y(n-1)-0.9*y(n-2)+x(n)+x(n-1) but still its giving error and sound after applying freq responce is not audible.my code is following
Hi Lione, It would be good if you can post the error that you are getting. From a quick glance, the second call to audioplaye...

mer än 8 år ago | 0

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Answered
How can I read Intra coded frames from a video?
Zealous, The notion I, P and B frames only applies to an encoded stream. It determines how the frames must be decoded and the...

mer än 8 år ago | 4

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Answered
how can i compress the video using Run Length Encoding ..?
Pavithra, First of all I am curious to ask why do you want to do this. If you want to save your video data in a compressed fo...

mer än 8 år ago | 0

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