Adaptive audio delivery and rendering

1. A method of audio processing at a client device, comprising:

transmitting, to a server device, a selection signal indicative of an audio encoding configuration for encoding audio content in an audio input, wherein the selection signal is indicative of at least one categorization layer of a plurality of categorization layers, each of the plurality of categorization layers including a different subset of the audio content in the audio input and being assigned a respective layer identifier (ID);

receiving, from the server device, an encoded bitstream including the audio content that is encoded according to the audio encoding configuration in response to the transmitting of the selection signal; and

rendering audio signals based on the encoded bitstream.

2. The method of claim 1 , wherein the transmitting the selection signal further comprises:

transmitting the selection signal indicative of a bitrate for encoding the audio content.

3. The method of claim 2 , wherein the receiving the encoded bitstream further comprises:

receiving the encoded bitstream including one or more audio channels that are encoded according to the bitrate.

4. The method of claim 2 , wherein the receiving the encoded bitstream further comprises:

receiving the encoded bitstream including one or more audio objects that are encoded according to the bitrate.

5. The method of claim 2 , wherein the receiving the encoded bitstream further comprises:

receiving the encoded bitstream including audio higher order ambisonics (HOA) signals that are encoded according to the bitrate.

6. The method of claim 1 , wherein

each of the plurality of categorization layers includes a different combination of audio channels, audio objects, or audio higher order ambisonics (HOA) signals.

7. The method of claim 6 , wherein the receiving the encoded bitstream further comprises:

receiving the encoded bitstream that is encoded based on a subset of audio channels in the audio content of the audio input, each of the plurality of categorization layers including a different subset of the audio channels.

8. The method of claim 6 , wherein the receiving the encoded bitstream further comprises:

receiving the encoded bitstream that is encoded based on a subset of audio objects in the audio content of the audio input, each of the plurality of categorization layers including a different subset of the audio objects.

9. The method of claim 6 , wherein the receiving the encoded bitstream further comprises:

receiving the encoded bitstream that is encoded based on a reduced order set of higher order ambisonics (HOA) signals in the audio content of the audio input, each of the plurality of categorization layers including a different subset of the audio objects.

10. The method of claim 1 , wherein the transmitting the selection signal further comprises:

transmitting the layer ID associated with the audio encoding configuration.

11. The method of claim 1 , further comprising:

determining the selection signal according to at least one of a media processing capability of the client device, a network connection of the client device, and a preference input.

12. An apparatus for audio processing, comprising processing circuitry configured to:

transmit, to a server device, a selection signal indicative of an audio encoding configuration for encoding audio content in an audio input, wherein the selection signal is indicative of at least one categorization layer of a plurality of categorization layers, each of the plurality of categorization layers including a different subset of the audio content in the audio input and being assigned a respective layer identifier (ID);

receive, from the server device, an encoded bitstream including the audio content that is encoded according to the audio encoding configuration in response to the transmitting of the selection signal; and

render audio signals based on the encoded bitstream.

13. The apparatus of claim 12 , wherein the processing circuitry configured to:

transmit the selection signal indicative of a bitrate for encoding the audio content.

14. The apparatus of claim 13 , wherein the processing circuitry configured to:

receive the encoded bitstream including one or more audio channels that are encoded according to the bitrate.

15. The apparatus of claim 13 , wherein the processing circuitry configured to:

receive the encoded bitstream including one or more audio objects that are encoded according to the bitrate.

16. The apparatus of claim 13 , wherein the processing circuitry configured to:

receive the encoded bitstream including audio higher order ambisonics (HOA) signals that are encoded according to the bitrate.

17. The apparatus of claim 12 , wherein

each of the plurality of categorization layers includes a different combination of audio channels, audio objects, or audio higher order ambisonics (HOA) signals.

18. The apparatus of claim 17 , wherein the processing circuitry configured to:

receive the encoded bitstream that is encoded based on a subset of audio channels in the audio content of the audio input, each of the plurality of categorization layers including a different subset of the audio channels.

19. The apparatus of claim 17 , wherein the processing circuitry configured to:

receive the encoded bitstream that is encoded based on a subset of audio objects in the audio content of the audio input, each of the plurality of categorization layers including a different subset of the audio channels.

20. The apparatus of claim 17 , wherein the processing circuitry configured to:

receive the encoded bitstream that is encoded based on a reduced order set of higher order ambisonics (HOA) signals in the audio content of the audio input, each of the plurality of categorization layers including a different subset of the audio channels.