| Parameter | Type | Description | Example |
|---|---|---|---|
| object | The information about the audio stream. | ||
| Index | long | The index number of the audio stream. | 1 |
| Language | string | The audio language in the BCP 47 standard. | en |
| CodecName | string | The abbreviated name of the codec. | aac |
| CodecLongName | string | The full name of the codec. | AAC (Advanced Audio Coding) |
| CodecTimeBase | string | The time base of the codec. | 1/44100 |
| CodecTagString | string | The description of the codec tag. | mp4a |
| CodecTag | string | The tag of the codec. | 0x6134706d |
| TimeBase | string | The time base. | 1/48000 |
| StartTime | double | The start time of the audio stream in seconds. | 0.0235 |
| Duration | double | The duration of the audio stream in seconds. | 3.690667 |
| Bitrate | long | The bitrate. Unit: bit/s. | 320087 |
| FrameCount | long | The number of frames. | 173 |
| Lyric | string | The lyric. | test |
| SampleFormat | string | The sample format. | fltp |
| SampleRate | long | The sampling rate. Unit: Hz. | 48000 |
| Channels | long | The number of sound channels. | 2 |
| ChannelLayout | string | The sound channel layout. | stereo |