Community Profile


Jimmy Lapierre

Last seen: 2 días ago


12 total contributions since 2018

I am a Software Developer for the Audio Toolbox at MathWorks. I also have a background in audio and speech compression standards, so I developed a deep expertise in real-time audio algorithms, psychoacoustics, signal processing and information theory.


Jimmy Lapierre's Badges

  • Knowledgeable Level 1
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How to use audioDeviceWriter ?
I suspect that compexp returns a row vector instead of a column vector, so it looks like 1024 channels. Try pre-allocating y bef...

5 días ago | 0

SampleRateConvertion error in plugin
Hi Pablo, There are some limitations with codegen and the resampling objects. If you have a hard-coded ratio of 4, the easiest ...

6 días ago | 0

| accepted

audioPlayerRecorder PlayerChannelMapping not working as expected
The behavior of channel mapping with single channels depends on the driver (for example, it is different for ASIO and DirectSoun...

4 meses ago | 0

Help, generateAudioPlugin Error
Xcode 11.4 introduced an incompatibility, so you would need to make sure you have the latest update (19b update 5, required for ...

6 meses ago | 0

VST Plugin with Visual Studio 2019
Support for plugin generation Visual Studio 2019 was added in 2019b Update 5. Please let me know if you have the latest updates ...

6 meses ago | 1

interpolateHRTF always trows warnings or errors when using either methods
Can I ask what version of Matlab you are using? If you can provide some sample code, it might also help. Does the help example ...

8 meses ago | 0

ANC Simulink Model Error
Hi Olivia, it sounds like your device is incapable of ultra-low latency operation. Unless the noise to cancel is steady-state an...

9 meses ago | 0

cannot generate VST audio plugin
Could you try building one of the examples that are shipped with Audio Toolbox, such as "StereoWidth" ? That might help us figur...

10 meses ago | 0

How to determine the channel mapping (channel-to-track allocation) of a surround sound audio signal?
The proper order according to SMPTE is: Front Left, Front Right, Center, LFE, Surround Left, Surround Right. This is also the ...

12 meses ago | 0

2 Sounds Cards and 5.1 speakers
The audioDeviceReader and audioDeviceWriter objects have "Driver" and "Device" properties. For example, if the output device sup...

alrededor de 1 año ago | 1


Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

casi 3 años ago


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

casi 3 años ago