ethan@sundance:~$ pacmd
Welcome to PulseAudio! Use "help" for usage information.
>>> ls
Memory blocks currently allocated: 2, size: 47.4 KiB.
Memory blocks allocated during the whole lifetime: 2, size: 47.4 KiB.
Memory blocks imported from other processes: 0, size: 0 B.
Memory blocks exported to other processes: 0, size: 0 B.
Total sample cache size: 0 B.
Default sample spec: s16le 2ch 44100Hz
Default sink name: jack_out
Default source name: jack_out.monitor
Memory blocks of type POOL: 1 allocated/1 accumulated.
Memory blocks of type POOL_EXTERNAL: 0 allocated/0 accumulated.
Memory blocks of type APPENDED: 1 allocated/1 accumulated.
Memory blocks of type USER: 0 allocated/0 accumulated.
Memory blocks of type FIXED: 0 allocated/0 accumulated.
Memory blocks of type IMPORTED: 0 allocated/0 accumulated.
4 module(s) loaded.
    index: 0
        name: <module-cli>
        argument: <exit_on_eof=1>
        used: -1
        auto unload: no
    index: 1
        name: <module-jack-sink>
        argument: <(null)>
        used: -1
        auto unload: no
    index: 2
        name: <module-native-protocol-unix>
        argument: <(null)>
        used: -1
        auto unload: no
    index: 3
        name: <module-cli-protocol-unix>
        argument: <(null)>
        used: -1
        auto unload: no
1 sink(s) available.
  * index: 0
        name: <jack_out>
        driver: <modules/module-jack-sink.c>
        volume: <0: 100% 1: 100%>
        latency: <0 usec>
        monitor_source: <0>
        sample spec: <float32le 2ch 48000Hz>
        channel map: <front-left,front-right>
        owner module: <1>
        description: <Jack sink (PulseAudio)>
1 source(s) available.
  * index: 0
        name: <jack_out.monitor>
        driver: <modules/module-jack-sink.c>
        latency: <0 usec>
        sample spec: <float32le 2ch 48000Hz>
        channel map: <front-left,front-right>
        monitor_of: <0>
        owner module: <1>
        description: <Monitor Source of Jack sink (PulseAudio)>
3 client(s) logged in.
    index: 0
        name: <STDIN/STDOUT client>
        driver: <pulsecore/cli.c>
        owner module: <0>
    index: 1
        name: <paplay>
        driver: <pulsecore/protocol-native.c>
        owner module: <2>
    index: 3
        name: <UNIX socket client>
        driver: <pulsecore/cli.c>
        owner module: <3>
1 sink input(s) available.
    index: 0
        name: </usr/share/sounds/KDE_Startup_new.wav>
        driver: <pulsecore/protocol-native.c>
        state: CORKED
        sink: <0> 'jack_out'
        volume: <0: 100% 1: 100%>
        latency: <500000 usec>
        sample spec: <s16le 2ch 22050Hz>
        channel map: <front-left,front-right>
        resample method: src-sinc-fastest
        owner module: <2>
        client: <1> 'paplay'
0 source outputs(s) available.
0 cache entries available.
0 autoload entries available.