Audio parameter negotiation method and communication apparatus

A communication apparatus, comprising:

• a processor, configured to execute a computer program stored in a memory, to cause the apparatus to perform the method of:
• receiving first audio format information and second audio format information, wherein the first audio format information indicates at least one first audio format, the second audio format information indicates at least one second audio format, the first audio format is an audio format available to a first communication entity for immersive voice and audio services (IVAS) encoding, and the second audio format is an audio format available to the first communication entity for IVAS decoding;
• and
• sending fifth audio format information and sixth audio format information based on the first audio format information, the second audio format information, third audio format information, and fourth audio format information, wherein the third audio format information indicates at least one third audio format, the fourth audio format information indicates at least one fourth audio format, the third audio format is an audio format available to a second communication entity for IVAS encoding, the fourth audio format is an audio format available to the second communication entity for IVAS decoding, the fifth audio format information indicates at least one fifth audio format, the sixth audio format information indicates at least one sixth audio format, the fifth audio format is an audio format to be used by at least one of the first communication entity for IVAS decoding and the second communication entity for IVAS encoding, and the sixth audio format is an audio format to be used by at least one of the first communication entity for IVAS encoding and the second communication entity for IVAS decoding.