1e41f4b71Sopenharmony_ci# AudioInfo 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci## 概述 5e41f4b71Sopenharmony_ci 6e41f4b71Sopenharmony_ci音频端口特定信息。 7e41f4b71Sopenharmony_ci 8e41f4b71Sopenharmony_ci**起始版本：** 4.1 9e41f4b71Sopenharmony_ci 10e41f4b71Sopenharmony_ci**相关模块：**[HdiAudio](_hdi_audio_v20.md) 11e41f4b71Sopenharmony_ci 12e41f4b71Sopenharmony_ci 13e41f4b71Sopenharmony_ci## 汇总 14e41f4b71Sopenharmony_ci 15e41f4b71Sopenharmony_ci 16e41f4b71Sopenharmony_ci### Public 属性 17e41f4b71Sopenharmony_ci 18e41f4b71Sopenharmony_ci| 名称 | 描述 | 19e41f4b71Sopenharmony_ci| -------- | -------- | 20e41f4b71Sopenharmony_ci| struct [AudioDevExtInfo](_audio_dev_ext_info_v20.md)[device](#device) | 设备特定信息，详情参考[AudioDevExtInfo](_audio_dev_ext_info_v20.md)。 | 21e41f4b71Sopenharmony_ci| struct [AudioMixExtInfo](_audio_mix_ext_info_v20.md)[mix](#mix) | 音轨特定信息，详情参考[AudioMixExtInfo](_audio_mix_ext_info_v20.md)。 | 22e41f4b71Sopenharmony_ci| struct [AudioSessionExtInfo](_audio_session_ext_info_v20.md)[session](#session) | 会话特定信息，详情参考[AudioSessionExtInfo](_audio_session_ext_info_v20.md)。 | 23e41f4b71Sopenharmony_ci 24e41f4b71Sopenharmony_ci 25e41f4b71Sopenharmony_ci## 类成员变量说明 26e41f4b71Sopenharmony_ci 27e41f4b71Sopenharmony_ci 28e41f4b71Sopenharmony_ci### device 29e41f4b71Sopenharmony_ci 30e41f4b71Sopenharmony_ci``` 31e41f4b71Sopenharmony_cistruct AudioDevExtInfo AudioInfo::device 32e41f4b71Sopenharmony_ci``` 33e41f4b71Sopenharmony_ci**描述** 34e41f4b71Sopenharmony_ci 35e41f4b71Sopenharmony_ci设备特定信息，详情参考[AudioDevExtInfo](_audio_dev_ext_info_v20.md)。 36e41f4b71Sopenharmony_ci 37e41f4b71Sopenharmony_ci 38e41f4b71Sopenharmony_ci### mix 39e41f4b71Sopenharmony_ci 40e41f4b71Sopenharmony_ci``` 41e41f4b71Sopenharmony_cistruct AudioMixExtInfo AudioInfo::mix 42e41f4b71Sopenharmony_ci``` 43e41f4b71Sopenharmony_ci**描述** 44e41f4b71Sopenharmony_ci 45e41f4b71Sopenharmony_ci音轨特定信息，详情参考[AudioMixExtInfo](_audio_mix_ext_info_v20.md)。 46e41f4b71Sopenharmony_ci 47e41f4b71Sopenharmony_ci 48e41f4b71Sopenharmony_ci### session 49e41f4b71Sopenharmony_ci 50e41f4b71Sopenharmony_ci``` 51e41f4b71Sopenharmony_cistruct AudioSessionExtInfo AudioInfo::session 52e41f4b71Sopenharmony_ci``` 53e41f4b71Sopenharmony_ci**描述** 54e41f4b71Sopenharmony_ci 55e41f4b71Sopenharmony_ci会话特定信息，详情参考[AudioSessionExtInfo](_audio_session_ext_info_v20.md)。 56