Microsoft.Cognitiveservices.Speech returns DllNotFoundException when on x64 Android device or emulator

Question

Microsoft.Cognitiveservices.Speech returns DllNotFoundException when on x64 Android device or emulator

TAS Sakata 6

Hello,

My app has Keyword recognition function using Microsoft.Cognitiveservices.Speech.
It works fine with Android emulator Pixel C API 29 Android 10.0 (x86).
But if emulator switched to Pixel C API 31 Android 12.0, (x86_64) DLLNOTFOUNDEXCEPTION occurs.
Also, real device with the same Android version (10.0) from Samsung Galaxy and Blackview Tab8 produce the same exception when the app is deployed.

Error msg when debugging
Shared library 'libMicrosoft.CognitiveServices.Speech.core.so' not loaded.

System.DllNotFoundException: libMicrosoft.CognitiveServices.Speech.core.so
at Microsoft.CognitiveServices.Speech.Audio.AudioConfig.FromDefaultMicrophoneInput()

To reproduce
Steps to reproduce the behavior:

Open the attached project in Visual Studio 2022 64bit Version 17.4.0 Preview 2.1
Run the project on Android emulator or Android device
Click on "Click me" button
Allow Microphone access
Re-run the project
Click on "Click me" button
Say "Hey Computer" using active microphone

Expected behavior
Debug.Writeline says "Keyword successfully recognized" instead of the exception above.

Version of the Microsoft.Cognitiveservices.Speech

23.0

Platform, Operating System, and Programming Language

Windows 10 x64
C#

If more information needed to reproduce, could you let me know?

Best regards,

PS. Cannot attach the project file

TAS Sakata 6 Reputation points

2022-09-29T06:16:37.573+00:00

Attaching the project file which reproduce the exception
https://drive.google.com/file/d/1j7xM6Hiw6lqfdlf51EQHrfoanRAw88L-/view?usp=sharing
romungi-MSFT 48,911 Reputation points Microsoft Employee Moderator

2022-09-29T11:34:33.323+00:00

@TAS Sakata I think this issue is similar to this one reported on the Azure speech service SDK repo. You could try to switch to x86 and check if works for you too as mentioned in the issue.
Since, this has been reported a year ago. You can create a new issue on the github repo to confirm if this is the same behavior observed for your setup.
TAS Sakata 6 Reputation points

2022-09-30T01:07:46.723+00:00

Thank you for your comment.
I could confirm that on x86 emulators it works fine.
Also, in my case, ARM Android device like Blackview Tab8 throws the DllNotFoundException, too as mentioned above.
Regarding ARM CPUs, are they supported for Microsoft.Cognitiveservices.Speech?
Would it be possible to check if the exception reproduces on ARM device(s)?
Thanks in advance.
TAS Sakata 6 Reputation points

2022-10-07T07:38:08.807+00:00

Hi, ARM 64 Android devices reproduce this exception.
Could you share any workaround?
romungi-MSFT 48,911 Reputation points Microsoft Employee Moderator

2022-10-07T13:09:31.983+00:00

@TAS Sakata Unfortunately, I do not have expertise on platform limitations of the SDK to advise on a workaround. Reporting the same on the official SDK repo would help to get a response from the SDK team. Did you get a chance to raise an issue?

2 answers

Your answer

TAS Sakata 6 Reputation points

2022-09-29T06:16:37.573+00:00

Attaching the project file which reproduce the exception
https://drive.google.com/file/d/1j7xM6Hiw6lqfdlf51EQHrfoanRAw88L-/view?usp=sharing
romungi-MSFT 48,911 Reputation points Microsoft Employee Moderator

2022-09-29T11:34:33.323+00:00

@TAS Sakata I think this issue is similar to this one reported on the Azure speech service SDK repo. You could try to switch to x86 and check if works for you too as mentioned in the issue.
Since, this has been reported a year ago. You can create a new issue on the github repo to confirm if this is the same behavior observed for your setup.
TAS Sakata 6 Reputation points

2022-09-30T01:07:46.723+00:00

Thank you for your comment.
I could confirm that on x86 emulators it works fine.
Also, in my case, ARM Android device like Blackview Tab8 throws the DllNotFoundException, too as mentioned above.
Regarding ARM CPUs, are they supported for Microsoft.Cognitiveservices.Speech?
Would it be possible to check if the exception reproduces on ARM device(s)?
Thanks in advance.
TAS Sakata 6 Reputation points

2022-10-07T07:38:08.807+00:00

Hi, ARM 64 Android devices reproduce this exception.
Could you share any workaround?
romungi-MSFT 48,911 Reputation points Microsoft Employee Moderator

2022-10-07T13:09:31.983+00:00

@TAS Sakata Unfortunately, I do not have expertise on platform limitations of the SDK to advise on a workaround. Reporting the same on the official SDK repo would help to get a response from the SDK team. Did you get a chance to raise an issue?

Answer 1

TAS Sakata 6

Hi,
Microsoft.Cognitiveservices.Speech 1.24.0 does not reproduce this issue.
Thank you for your supports.
Closing this ticket.
Best regards,

Answer 2

Bagno, David 1

This is still a big bug. It is not working with Maui

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Microsoft.Cognitiveservices.Speech returns DllNotFoundException when on x64 Android device or emulator

2 answers

Your answer