Unable to resolve the name audio.inte​rnal.visua​lizer.Filt​er.

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Jens Ahrens
Jens Ahrens 2020 年 9 月 27 日
コメント済み: Kelvin Tan 2021 年 10 月 27 日
Hello!
I keep getting the following error when executing the script AudioSystemToolboxIntroMain.m that accopanies the webinar "Real-time Audio Processing for Algorithm Prototyping and Custom Measurements" (https://se.mathworks.com/videos/real-time-audio-processing-for-algorithm-prototyping-and-custom-measurements-121075.html):
(Executing RealTimeStreaming.m works.)
Unable to resolve the name audio.internal.visualizer.Filter.
Error in ThreeBandParamEQ/visualize (line 122)
obj.visualObj = audio.internal.visualizer.Filter(coeffs,...
Error in AudioSystemToolboxIntroMain (line 10)
visualize(eq)
I believe that I have all required toolboxes installed:
>> ver
-----------------------------------------------------------------------------------------------------
MATLAB Version: 9.9.0.1467703 (R2020b)
MATLAB License Number: XXX
Operating System: Mac OS X Version: 10.15.7 Build: 19H2
Java Version: Java 1.8.0_202-b08 with Oracle Corporation Java HotSpot(TM) 64-Bit Server VM mixed mode
-----------------------------------------------------------------------------------------------------
MATLAB Version 9.9 (R2020b)
Simulink Version 10.2 (R2020b)
Antenna Toolbox Version 4.3 (R2020b)
Audio Toolbox Version 2.3 (R2020b)
Computer Vision Toolbox Version 9.3 (R2020b)
Curve Fitting Toolbox Version 3.5.12 (R2020b)
DSP System Toolbox Version 9.11 (R2020b)
Image Acquisition Toolbox Version 6.3 (R2020b)
Image Processing Toolbox Version 11.2 (R2020b)
MATLAB Compiler Version 8.1 (R2020b)
MATLAB Compiler SDK Version 6.9 (R2020b)
Optimization Toolbox Version 9.0 (R2020b)
Phased Array System Toolbox Version 4.4 (R2020b)
Signal Processing Toolbox Version 8.5 (R2020b)
Statistics and Machine Learning Toolbox Version 12.0 (R2020b)
Symbolic Math Toolbox Version 8.6 (R2020b)
I've tried
rehash toolboxcache
and reverting pathdef.m without success.
Thanks!

採用された回答

Gabriele Bunkheila
Gabriele Bunkheila 2020 年 9 月 28 日
Hi Jens,
Thank you for posting about this. This issue seems to be related with an update in DSP System Toolbox, related to dsp.DynamicFilterVisualizer. Fixing the submission in MATLAB Central FIle Exchange will take a few days - In the meantime, you can get a more recent version of the code using the URL and credentials below (note that the files will be automatically deleted after 30 days):
https://sft.mathworks.com/human.aspx?r=&Arg07=707691901&Arg12=fileview
Username: Customer
Password: MathWorks
Thanks,
Gabriele.
  7 件のコメント
Kelvin Tan
Kelvin Tan 2021 年 10 月 27 日
I am having the same problem, could I get a new link to the code?

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その他の回答 (1 件)

luchen
luchen 2020 年 11 月 2 日
Hello Jens, I got the same error when running the code, and I really need it to do my research. Could you please share the latest version of the code to me? Thanks!
  1 件のコメント
Gabriele Bunkheila
Gabriele Bunkheila 2020 年 11 月 3 日
See reply above. Thanks for your patience.

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