Community Profile


Jimmy Lapierre

Last seen: Today


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.


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  • Knowledgeable Level 1
  • 3 Month Streak
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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...

8 days 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 ...

9 days 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 months 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 months 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 months 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 months 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 months 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 months 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 months 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...

1 year 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...

3 years 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...

3 years ago