using (var audioInput = AudioConfig.FromStreamInput(new PullAudioInputStream(new BinaryAudioStreamReader(new BinaryReader(File.OpenRead(audioFile))), AudioStreamFormat.GetCompressedFormat(AudioStreamContainerFormat.MP3))))
using (var recognizer = new SpeechRecognizer(config, sourceLanguageConfig, audioInput))
audioFile
is the path to mp3 file with audio to transcribe.
I have installed the latest GStreamer gstreamer-1.0-msvc-x86_64-1.17.2.msi for Windows and added it to the User's PATH and set GSTREAMER_ROOT_X86. That did not work.
In the docs here https://learn.microsoft.com/en-us/azure/cognitive-services/speech-service/how-to-use-codec-compressed-audio-input-streams?tabs=debian&pivots=programming-language-csharp
Handling compressed audio is implemented using GStreamer. For
licensing reasons GStreamer binaries are not compiled and linked with
the Speech SDK. Developers need to install several dependencies and
plugins, see Installing on Windows. Gstreamer binaries need to be in
the system path, so that the speech SDK can load gstreamer binaries
during runtime. If speech SDK is able to find libgstreamer-1.0-0.dll
during runtime it means the gstreamer binaries are in the system path.
It says it will look for libgstreamer-1.0-0.dll which is no longer included in the latest version (1.17.2) so I went back to gstreamer-1.0-x86-1.14.1 which does have the required dll, but still getting the same error.
From Visual Studio 2019 console I can invoke exe files included in that folder so I know the PATH is set correctly.
Anyone has an idea what's missing?
the way i fixed this... (similar to Artur Kędzior)
use version 1.14.5 of Gstreamer https://gstreamer.freedesktop.org/pkg/windows/1.14.5/gstreamer-1.0-x86_64-1.14.5.msi - complete setup
use version 1.13 of Microsoft.CognitiveServices.Speech (Nuget package)
Go to environment variables on your pc and add to the User variable called path the following C:\gstreamer\1.0\x86_64\bin
then add a system variable called "GSTREAMER_ROOT_X86_64" (without the quotes) and the value to "C:\gstreamer\1.0\x86_64"
you may need to reboot if still having issues. but this is now working for me.
Got help with it here https://github.com/Azure-Samples/cognitive-services-speech-sdk/issues/764
Basically:
Do not use the latest version of Gstreamer
Use this one https://gstreamer.freedesktop.org/pkg/windows/1.14.5/gstreamer-1.0-x86_64-1.14.5.msi
Set PATH to bin folder (C:\gstreamer\1.0\x86_64\bin)
Set GSTREAMER_ROOT_X86_64 variable (C:\gstreamer\1.0\x86_64)
Reboot the machine
Set Visual Studio build configuration to x64
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