Steps to reproduce (this is in "Large Icons" view):-

1. While listening to DVB station A, click on station B
2. Sound from station A will cease for about 2 seconds and then resume.
3. Icon for station B will then replace station A icon in the bottom left of the screen
4. Sound from station A will then continue for another 10 seconds, before being replaced by sound from station B

Here is the section of the MediaPortal.log file showing the sequence of events:

6/04/2006 11:26:51 AM add cmd:MediaPortal.TV.Recording.StartRadioCommand MP1-1
6/04/2006 11:26:51 AM Command:Start radio:ABC DiG Radio
6/04/2006 11:26:51 AM Command:Stop all card except card:-1
6/04/2006 11:26:51 AM Recorder: stop card:Dvico FusionHDTV DVB-T
6/04/2006 11:26:51 AM Recorder:StartRadio() start on card:Dvico FusionHDTV DVB-T station:ABC DiG Radio
6/04/2006 11:26:51 AM DVBGraph:StartRadio()
6/04/2006 11:26:51 AM add filter:MPEG/AC3/DTS/LPCM Audio Decoder to graph
6/04/2006 11:26:51 AM added filter:MPEG/AC3/DTS/LPCM Audio Decoder to graph
6/04/2006 11:26:51 AM DVBGraph: tuning details: frequency:226500 kHz ONID:4112 TSID:561 SID:566 provider:ABC
6/04/2006 11:26:51 AM DVBGraph: render audio pin
6/04/2006 11:26:51 AM DVBGraph:TuneRadioChannel() tune to radio station:ABC DiG Radio
6/04/2006 11:26:51 AM DVBGraph: tuning details: frequency:226500 kHz ONID:4112 TSID:561 SID:566 provider:ABC
6/04/2006 11:26:51 AM DVBGraphBDA:SubmitTuneRequest() frequency:226500 kHz Bandwidth:7 ONID:4112 TSID:561, SID:566
6/04/2006 11:26:52 AM DVBGraph:SetHardwarePidFiltering to:0,1,10,11,12,D3,D2,90D,104,901,
6/04/2006 11:26:52 AM DVBGraphBDA: signal strength:0 signal quality:92 signal present:True locked:True
6/04/2006 11:26:52 AM DVBGraph:TuneRadioChannel() done
6/04/2006 11:26:52 AM DVBDemuxer:ABC DiG Radio audio:90D video:0 teletext:0 pmt:104 subtitle:0 program:566
6/04/2006 11:26:52 AM DVBGraph:Listening to radio..
6/04/2006 11:26:52 AM Command:MediaPortal.TV.Recording.StartRadioCommand time:1843.75 msec
6/04/2006 11:26:52 AM Recorder: Card:Dvico FusionHDTV DVB-T radio station:ABC DiG Radio
6/04/2006 11:26:52 AM Recorder: Card:DNTV Live! LP Tuner Card idle
6/04/2006 11:26:52 AM wait for pmt :-1
6/04/2006 11:26:57 AM wait for pmt :-1
6/04/2006 11:27:02 AM wait for pmt :-1
6/04/2006 11:27:02 AM DVBGraph:Got PMT version:1
6/04/2006 11:27:02 AM DVBGraph: OnPMTIsChanged:database\pmt\pmt_ABC DiG Radio_4112_561_566_5.dat
6/04/2006 11:27:02 AM DVBGraph:SendPMT() set demux: video pid:0 audio pid:90D AC3 pid:0 audio1 pid:90D audio2 pid:0 audio3 pid:0 subtitle pid:FFFFFFFF teletext pid:0 pcr pid:901
6/04/2006 11:27:02 AM DVBDemuxer:ABC DiG Radio audio:90D video:0 teletext:0 pmt:104 subtitle:0 program:566
6/04/2006 11:27:02 AM DVBGraph:SetHardwarePidFiltering to:0,1,10,11,12,D3,D2,90D,104,901,
6/04/2006 11:27:02 AM DVBGraph: grab epg for ABC DiG Radio

The delay in switching stations seems to be at this point 6/04/2006 11:26:52 AM wait for pmt :-1, where two delay periods of 5 seconds are recorded. The sound from station B was finally heard at 11:27:02 – 11 seconds after the command was issued to change stations.


This has been verified by other users, and I have verified is still present in the SVN from April 6th.