Dear list members, Hope someone can help me.. In order to test audio synchronization over RTP multicast I've setup two openwrt boxes as "RTP receivers" and one as "RTP sender". Also in order to improve synchronization sender device is acting as master PTP clock generator. All devices are in sync up to sub millisecond precision. Analyzing audio output on both clients I can see that there are a variable delay between them that oscillates from -80mS to +80mS, that makes it unsuitable for multiroom installation. When I walk across the speakers I can hear both audios out of phase (I can hear eco or reverb effect). Someone happy to help me to fix this? BR, Sergios -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://lists.freedesktop.org/archives/pulseaudio-discuss/attachments/20170127/4ae25ced/attachment.html>