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jibrahim

Last seen: Today Active since 2016

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Answered
Unexpected output of octaveFilter
Hi Leonard, The first thing to check is that your input is a column vector. octaveFilter treats each column of data as an ind...

5 days ago | 0

Answered
i want to use LSTM based audio network to work with Live audio
Hi Arslan, audioDeviceReader supports multi-mic devices. Use the ChannelMappingSource and ChannelMapping properties to map betw...

8 days ago | 0

Answered
i want to use LSTM based audio network to work with Live audio
Hi Arslan, There is a function in that repo (streamingClassifier) that should get the job done in conjunction with an audio dev...

21 days ago | 0

Answered
Cannot find files or folders matching: 'C:\Users\Computer Complex\AppData\Local\Temp\free-spoken-digit-dataset-master\recordings'.
This dataset does not ship with the product. The introduction/description of this example should have the info on where to downl...

1 month ago | 0

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Answered
How to record audio for infinite time?
Hi Harsha, You can record for as long as you want with audioDeviceReader: deviceReader = audioDeviceReader; while 1 % for ex...

1 month ago | 0

Answered
I want to stop my simulink code after 10 seconds of running
This should work: sim(modelname, 15)

2 months ago | 0

Answered
why does the wave player Block in Simulink do this when i loop a sound and how can i fix it?
Hi ALCA, the From Multimedia File block has a 'Samples per audio channel' parameter. This determines the size of the frame. If...

2 months ago | 0

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Answered
record and analyse real-time audio
Hi Oskar, When working with real-time audio, you should consider audioDeviceWriter, audioDeviceReader and audioPlayerRecorder. ...

2 months ago | 0

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Answered
Expected audioIn to be one of these types: single, double Instead its type was cell.
Hi FOG, In this call to extract,trainAudio is a cell array: featuresTrain = extract(aFE,trainAudio); extract does not support...

2 months ago | 0

Answered
How to use getaudiodata() in Simulink?
Hi Ahmet, To interact with a microphone device in Simulink, use the Audio Device Reader block: https://www.mathworks.com/help/...

2 months ago | 0

Answered
Pre-trained network on the raspberry pi
Hi Joenam, This example might be helpful to you: Speech Command Recognition Code Generation on Raspberry Pi

3 months ago | 0

Answered
Labeling raw audio dataset
Hi Abdelhakim, Signal Labeler is the APP to use to label your audio data: https://www.mathworks.com/help/signal/ug/using-sig...

4 months ago | 0

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Answered
Rewind - Fast Forward Button (Audio Player)
Hi Nikos, dsp.AudioFileReader has a ReadRange property that controls the range of samples you want to read. Here is an idea: ...

4 months ago | 0

Answered
What is the default normalization in plot of stft function in Short-time Fourier transform
Hi Muhammad, I beleive the plot you get with STFT uses log, so 20*log10(abs(S)+eps) is plotted.

4 months ago | 1

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Answered
Saving images quickly for huge datasets
Hi Joenam, A couple of things I noticed in your code: 1) You rely on melSpectrogram to generate a plot for you, which is fin...

4 months ago | 1

Answered
Trying to convert whole folder into spectrograms
Hi Justine, consider using an audioDatastore to do this. then you don't have to write the for loop. for example: % This audioDa...

4 months ago | 0

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Answered
VGGishPreprocess not accepting input
Hi Joshua, First, sorry we had a local funtion name with the same name as a function we ship. We are fixing this. The functi...

4 months ago | 1

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Answered
Need help with Volume Slider GUI
Hi Nikos, Consider using audioDeviceWriter to play the audio, and dsp.AudioFileReader to read from the audio file. You do not...

5 months ago | 0

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Answered
Speech To Text SAPI Offine mode
Hi Nikos, You can try out wav2vec 2.0. You can find a MATLAB implementation here: https://github.com/matlab-deep-learning/wav2...

5 months ago | 1

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Answered
Audio Files in a Triggered Subsystem?
Hi Benjamin, You can't use this audio block in a triggered subsystem. You can try an enabled subsystem though. Both From Multim...

5 months ago | 0

Answered
Howto explore large collection of audio files with custom parameters display beside time and frequency domain graphs ?
Hi Robert, audioDatastore will help you manage a large number files. The signal analyzer app will help you visualize files, a...

5 months ago | 0

Answered
Recorded Audio is Shorter than Expected
Hi Xiwen, I suspect the scope is taking a long time to set up the first time you call it. Consider adding this code outside...

5 months ago | 0

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Answered
How to extract VGGish features from audio files shorter than 1s?
Hi Robert-Valentin, The VGGIsh network accepts auditory spectrograms that correspond to roughly one second of audio, so you do ...

5 months ago | 1

Answered
How can I change the database and pretrained generator ?
Hi Aseel, The example starts off by showcasing the pretrained network. The network was trained to produce drum-like sounds. If ...

7 months ago | 0

Answered
For a network with 1 inputs and 1 output, the datastore read function must return a cell array with 2 columns, but it returns an cell array with 1 columns.
Hi Gudimalla, The training process typically expects a pair from the datastore: For classification problems, it expects a mel s...

7 months ago | 0

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Answered
what should be the constraint on window length in function melspectrogram?
Hi Krishna, This looks fine. Make sure that your input x is a column vector, not a row vector. The function treats each column ...

7 months ago | 0

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Answered
Need continuous sound played from buffer A then B. I fill B while A is playing, then visa versa.
Hi David, For real-time sound applications, you should use audioDeviceWriter: https://www.mathworks.com/help/audio/ref/audiode...

7 months ago | 0

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Answered
"audioread" multiple audio files in a folder
For future reference, I recommend you use audioDatastore: https://www.mathworks.com/help/audio/ref/audiodatastore.html You won...

8 months ago | 0

Answered
Get sample rate in a Matlab function block in Simulink
Hi Glenn, I've accomplished this in the past using a probe block: https://www.mathworks.com/help/simulink/slref/probe.html Th...

8 months ago | 0

Answered
Is there a function or a way to write/read bit by bit to/from a buffer in MATLAB?
Hi An, Maybe dsp.AsyncBuffer works for you? b = dsp.AsyncBuffer; write(b,1); % write the number 1 to the buffer write(b,2);...

8 months ago | 0

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