Audio Network Adapter threshold parameters?

[Keith Chang]

Hello,  

I have been looking through the ANA code base and I cannot seem to locate where the various parameters for these algorithms are defined.  There is a config.proto file in the webrtc/modules/audio_coding/audio_network_adaptor directory, so I suppose that there is a another file someplace where these parameter values are defined so that the photo buffer can be generated?  Is this outside of the WebRTC codebase (e.g., in Chromium?)?

I also see reasonable values for the parameters set in the various unit-test files, but I am looking for the values set when compiled.

Thanks,

Keith

[Minyue Li]

Hi Keith,

The ANA is supposed to be configured through application layer, by sending a protobuf serialized string through media constraint "googAudioNetworkAdaptorConfig".

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[Keith Chang]

Thank you Minyue for the response. I read through this CL: https://codereview.chromium.org/2437803004/ too.

Do you know of any resources where I could follow a more detailed example of how to load specific parameters? Also, where I can find the default parameters?

Keith

[Minyue Li]

The config.proto under audio_network_adaptor/ gives a fairly detailed description of the meanings for the parameters.

We plan to but have not been able to provide reasonable parameters as default.

Keith

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[Keith Chang]

Thanks.  I have read through the code and the config.proto, so I understand that ANA reasonably well.  I was asking if there was an example or reference design showing how to configure it through googAudioNetworkAdaptorConfig -- I am not familiar with that process.  

On Thursday, June 22, 2017 at 7:22:58 AM UTC-7, Minyue Li wrote:

The config.proto under audio_network_adaptor/ gives a fairly detailed description of the meanings for the parameters.

We plan to but have not been able to provide reasonable parameters as default.

On Thu, Jun 22, 2017 at 3:05 AM, Keith Chang <kmc...@gmail.com> wrote:

Thank you Minyue for the response.  I read through this CL: https://codereview.chromium.org/2437803004/ too.

Do you know of any resources where I could follow a more detailed example of how to load specific parameters?  Also, where I can find the default parameters?

Keith

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[Minyue Li]

Sorry for late reply! I am not aware of any open-source projects that currently makes use of it. But generally, you can instantiate a ControllerManager message in the application, serialize it to a string (uncoded), and add it to the media constraint when creating a peerconnection.

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