Sound starts singing (oscillating) when changing from radio station (1 Viewer)

greasygerrit

Portal Member
February 19, 2008
10
3
Home Country
Netherlands Netherlands
MediaPortal Version: 1.1.1
MediaPortal Skin: bleu3wide
Windows Version: windows 7
CPU Type: AMD Athlon(tm) 64 X2 Dual Core Processor 6000+, 3000 MHz,
HDD: samsung, 500Gb
Memory: 2 Gb, Kingston, DDR2
Motherboard: MSI Media Live
Video Card: onboard, Nvidia Geforce 6150LE
Video Card Driver: 8.17.12.5896
Sound Card: onboard
Sound Card AC3: onboard optical out
Sound Card Driver: Realtek HD audio, R2.52
1. TV Card: Hauppage HVR-1300
1. TV Card Type: analog + dvb-t (hybrid)
1. TV Card Driver: winTV 2.2
2. TV Card:
2. TV Card Type:
2. TV Card Driver:
3. TV Card:
3. TV Card Type:
3. TV Card Driver:
4. TV Card:
4. TV Card Type:
4. TV Card Driver:
MPEG2 Video Codec: saf4.0, ffdshow
MPEG2 Audio Codec: saf4.0, ffdshow
h.264 Video Codec: saf4.0, PPC
Satelite/CableTV Provider: ziggo
HTPC Case: msi media live
Cooling: standard
Power Supply: standard
Remote: Haupage 45 key
TV: Philips 28PW9528/12
TV - HTPC Connection: S-video

I have a sound problem while playing radio stations. (MP1.1.0 and 1.1.1)
Only the first time, when playing a radio station (standard radio plugin) the sound is ok. When changing to another radio station (in any view), the station starts playing, but within one second, the sound starts singing/oscillating (don't know if this is the correct english word for dutch: "rondzingen", but it sounds like when you keep a recording microphone to close to your speakers).

Starting another function then radio, (TV, music or...) results in correct sound agian.

Going back to radio the whole story repeats itself.

A workaround I found out, is first stop the radio station (via the stop key (key with the small square) on the remote) and then selecting another station, all goes well.
Even when the system sings, hitting the stop key will stop the singing sound and after selecting ta station again all goes well.

This only happens in the radio function and stations from the (analoge) FM receiver (Hauppage HVR1300), all other sounds (TV, Music, streamradio...) doesn't have this problem.

When using WinTV (hauppage tool) itself no problems are there when changing radio stations, even in the MP TV-server setup when previewing radiostations all is ok.

Only in mediaportal itself this problem occurs.

I tried different audio drivers to no effect so I kept the latest for my motherbord.

Please can some help me on this.
:confused:

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