Hi Tanu, All, I have an up-to-date gst pulse-sink with latest patches from David, but this issue remains same. *Background*: We are stablizing our audio driver on OMAP4 platform, there are lot of changes went into our audio driver recently which break this use-case which was working fine earlier with same PA and gst setup but with old kernel and ALSA driver. so there might no changes needed in PA and gst-pulsesink and I am trying to understand the actual issue here and to avoid the work-around of modifying the tsched_buffer_size=1024 which says: -the use-case is always working fine by loading module-alsa-sink with tsched_buffer_size=1024 I am new to PA, so some of my questions sounds very basic, but I want to dive deep into code details to get hold this problem , I seeks few clarifications from here: