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Jimmy Lapierre


Last seen: 7 giorni ago

MathWorks

15 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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Answered
How do I implement this code to the example called Active Noise Control Using a Filtered-X LMS FIR Adaptive Filter?
Hi Sean, I'll suggest that you also have a look at the Real-Time Example (linked here). The beginning of that example gives deta...

26 giorni ago | 0

Answered
Audio plugin not compiling after update to Xcode 11.4
The list of supported compilers can be found on this webpage. Either click the "Mac" tab for supported Xcode versions, or for pr...

circa 2 mesi ago | 0

Answered
Audio toolbox for active speaker crossover
Q. Could an audio model pick up audio from another application, e.g. amazon music, apply the filters and stream out to the sound...

3 mesi ago | 0

| accepted

Answered
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...

3 mesi ago | 0

Answered
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 ...

3 mesi ago | 0

| accepted

Answered
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...

7 mesi ago | 0

Answered
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 ...

8 mesi ago | 0

Answered
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 ...

9 mesi ago | 1

Answered
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 ...

11 mesi ago | 0

Answered
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...

12 mesi ago | 0

Answered
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...

circa un anno ago | 0

Answered
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 ...

circa un anno ago | 0

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

oltre un anno ago | 1

Solved


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...

circa 3 anni ago

Solved


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...

circa 3 anni ago