I'm trying to play sound from Telegram through my headphones, which have an internal audio card.Here is the list of programs which produce audio output channels:$ pactl list sink-inputs      Sink Input #4        Driver: protocol-native.c        Owner Module: 12        Client: 19        Sink: 2        Sample Specification: s16le 2ch 44100Hz        Channel Map: front-left,front-right        Format: pcm, format.sample_format = \s16le\  format.rate = 44100  format.channels = 2  format.channel_map = \front-left,front-right\        Corked: no        Mute: no        Volume: front-left: 42604 /  65% / -11,22 dB,   front-right: 42604 /  65% / -11,22 dB                balance 0,00        Buffer Latency: 30725 usec        Sink Latency: 38824 usec        Resample method: n/a        Properties:                application.icon_name = google-chrome                media.name = Playback                application.name = Chrome                native-protocol.peer = UNIX socket client                native-protocol.version = 30                application.process.id = 3991                application.process.user = pastafarianist                application.process.host = DesktopPC                application.process.binary = chrome                window.x11.display = :0                application.language = es_ES.UTF-8                application.process.machine_id = <long ID>                module-stream-restore.id = sink-input-by-application-name:ChromeSink Input #8        Driver: protocol-native.c        Owner Module: 12        Client: 29        Sink: 1                                                                                                                                                                                                                                            Sample Specification: float32le 2ch 44100Hz                                                                                                                                                                                                        Channel Map: front-left,front-right                                                                                                                                                                                                                Format: pcm, format.sample_format = \float32le\  format.channels = 2  format.channel_map = \front-left,front-right\                                                                                                                      Corked: yes                                                                                                                                                                                                                                        Mute: no                                                                                                                                                                                                                                           Volume: front-left: 36052 /  55% / -15,57 dB,   front-right: 36052 /  55% / -15,57 dB                                                                                                                                                                      balance 0,00                                                                                                                                                                                                                               Buffer Latency: 69659 usec                                                                                                                                                                                                                         Sink Latency: 18820 usec                                                                                                                                                                                                                           Resample method: copy                                                                                                                                                                                                                              Properties:                                                                                                                                                                                                                                                media.role = hex:                                                                                                                                                                                                                                  phonon.streamid = hex:                                                                                                                                                                                                                             media.name = Playback Stream                                                                                                                                                                                                                     application.name = Telegram                                                                                                                                                                                                                      native-protocol.peer = UNIX socket client                                                                                                                                                                                                        native-protocol.version = 30                                                                                                                                                                                                                     application.process.id = 7257                                                                                                                                                                                                                    application.process.user = pastafarianist                application.process.host = DesktopPC                application.process.binary = Telegram                application.language = es_ES.UTF-8                window.x11.display = :0                application.process.machine_id = <long ID>                module-stream-restore.id = sink-input-by-application-name:TelegramAccording to man pactl,move-sink-input ID SINK              Move the specified playback stream               (identified by its numerical index)              to the specified sink (identified              by its symbolic name or numerical index).But when I try to move Telegram's channel,$ pactl move-sink-input 8 2Failure: Invalid argumentMoving Chrome works.$ pactl move-sink-input 4 1produces no errors.How is Telegram different from Chrome?
PulseAudio cannot change the sink for one specific program
audio;pulseaudio