Para openSUSE Tumbleweed execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/multimedia:libs/openSUSE_Tumbleweed/multimedia:libs.repo
zypper refresh
zypper install libspeex1
Para openSUSE Factory PowerPC execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/multimedia:libs/openSUSE_Factory_PowerPC/multimedia:libs.repo
zypper refresh
zypper install libspeex1
Para openSUSE Factory ARM execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/multimedia:libs/openSUSE_Factory_ARM/multimedia:libs.repo
zypper refresh
zypper install libspeex1
Para 15.6 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/multimedia:libs/15.6/multimedia:libs.repo
zypper refresh
zypper install libspeex1
Para 15.5 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/multimedia:libs/15.5/multimedia:libs.repo
zypper refresh
zypper install libspeex1