| Top |  |  |  |  | 
| name | sink | 
| direction | sink | 
| presence | always | 
| details | audio/x-ircam | 
| audio/x-nist | |
| audio/x-paris | |
| audio/x-rf64 | |
| audio/x-sds | |
| audio/x-svx | |
| audio/x-voc | |
| audio/x-w64 | |
| audio/x-xi | 
| name | src | 
| direction | source | 
| presence | always | 
| details | audio/x-raw, format=(string){ F32LE, S32LE, S16LE }, layout=(string)interleaved, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ] |