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Brian Hemmat


Last seen: 1 day ago

MathWorks

43 total contributions since 2018

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Solved


MATLAB Basic: rounding
Do rounding near to zero Example: -8.8, answer -8 +8.1 answer 8

10 days ago

Answered
Convolution Reverb audio plugin
Hi Lorenzo, My understanding is that you are developing a function but eventually want to convert it to an audioPlugin object. ...

10 days ago | 0

Answered
Why am I getting an "out of memory on device" error when trying to run the Speaker Recognition Using X Vectors Example?
Hi Joseph, Are you sharing that GPU with other programs (for example, is it also being used for your graphics?)? That can cause...

13 days ago | 0

Submitted


Baseline-MATLAB-DCASE
This repo contains an unofficial MATLAB implementation of DCASE2021 Task 1A baseline code, which is part of the DCASE challenge....

22 days ago | 1 download |

Answered
Smoothing output in delay plugin
The example plugin, audiopluginexample.DampedVolumeController, might be helpful for this issue.

2 months ago | 0

| accepted

Answered
How can I detect audio device changes?
Hi Mattias, Starting in R2020b, you can use audiodevreset to refresh the list of audio devices MATLAB can interact with: https...

3 months ago | 0

| accepted

Answered
Separate voiced and unvoiced frame of speech signal
This example: https://www.mathworks.com/help/audio/ug/speaker-identification-using-pitch-and-mfcc.html#SpeakerIdentificationUsi...

3 months ago | 0

| accepted

Answered
Not sure if I set up this neural network correctly
Hi Saketh, I believe the example you're following is more of a 'hello-world' type example--your current code is trying to accom...

6 months ago | 0

| accepted

Answered
Adding confusion code for LSTM classification on audio files in Matlab
You can use confusionchart: https://www.mathworks.com/help/deeplearning/ref/confusionchart.html Your output from classify will ...

7 months ago | 0

| accepted

Answered
How to get magnitude values for a Parametric EQ?
Hi Nathan, The syntax of freqz that you were using in your code above expects w to be normalized fequency. I ran your code an...

10 months ago | 1

| accepted

Answered
Getting NaN and Inf values after extracting features from Audio files
The features you are extracting (basically statistics about a spectrum) are either not defined or poorly defined for an all-zero...

10 months ago | 0

| accepted

Answered
FreeverbReverberator example Plugin error
Hi Pablo, Audio plugin API requires plugins to support variable-sized input. The audioexample.FreeverbReverberator does not sup...

10 months ago | 0

| accepted

Answered
Parameter settings for gtcc feature extraction in the aFE and extract() function
The audioFeatureExtractor object does not support time-domain filtering for GTCC. I am curious, what is your use-case? Are you ...

10 months ago | 0

| accepted

Answered
MFCC into feature vector
The mfcc function returns mel frequnecy cepstral coefficients (MFCC) over time. That is, it separates the audio into short wind...

12 months ago | 0

| accepted

Answered
Why is the Reverberator output a two-column matrix.
The two columns represent the left and right channels of a stereo recording. The reverberator object is intended to mimic an aco...

12 months ago | 0

| accepted

Answered
Unrecognized function or variable 'helperExtractAuditoryFeatures'
Hi Divya, Please click the "open this example" button on the top right corner of the example. The "helperExtractAuditoryFeature...

12 months ago | 1

Answered
HRTF plugin Filter error
Hi Pablo, The following code compiles for me (and should for you). Initialize the Numerator's with the correct size at constr...

1 year ago | 0

| accepted

Answered
Averaging Values in a Matrix with Nans
I think this is what you want to do: mean(Strain,2,'omitnan')

1 year ago | 1

Answered
I want to identify male or female voice in a speech signal
Audio Toolbox provides an example: Classify Gender Using LSTM Networks

1 year ago | 0

Answered
Speaker recognition
Audio Toolbox provides several examples for speaker recognition (both identification and verification): Speaker Identification ...

1 year ago | 0

Answered
Voice recogntion /Speaker identification
Audio Toolbox provides examples for speaker verification: A simple one using Gaussian mixture models and a more complicated one ...

1 year ago | 0

Answered
Speaker Recognition using MFCC and GMM
Audio Toolbox provides several examples for speaker recognition (both identification and verification): Speaker Identification ...

1 year ago | 0

Answered
C-Code Error: Pitch Method Conversion to C Won't Work
Hi David, You're specifying a couple name-value pairs that aren't actually parameters of the pitch function (NumChannels, Sampl...

1 year ago | 0

| accepted

Answered
Speech Recogntion Demo
Audio Toolbox includes examples for speech recognition using CNNs and wavelet scattering: Speech Command Recognition Using Deep...

1 year ago | 0

Answered
calculating the MFCC and BFCC for a signal
Starting from R2018a, you can use the mfcc function in Audio Toolbox to extract mel-frequency cepstral coefficients. To design ...

1 year ago | 0

Answered
Can we identify a speaker using his/her cepstral coefficients calculated from MFCC?
Audio Toolbox provides an example for this application: Speaker Identification Using Pitch and MFCC.

1 year ago | 0

Answered
How to extract features from speech signals using MFCC?
Starting from R2018a, you can use the mfcc function in Audio Toolbox to extract mel-frequency cepstral coefficients.

1 year ago | 0

Answered
Text to speech synthesis matlab code
Audio Toolbox (R2019a or later) supports calling into popular 3rd-party APIs for speech synthesis: https://www.mathworks.com/ma...

1 year ago | 0

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

1 year ago

Answered
how can i compare two audio files?
Euclidean distance between feature vectors is a good start for analyzing the difference between audio files. However, there are ...

1 year ago | 1

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