Audio cuts in and out on certain settings #34
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Are 240p line2x and 480p line2x then OK? Could you test the problematic modes with another display just to rule out some possible causes? |
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240p line 2x is fine. I couldn't specifically test 480p line 2x (I'll continue looking for a game) vs 576p line 2x which does cut out.
I plugged the OSSC into a monitor with sound and the audio worked fine without cutting out.
I also tweaked all the sound settings I had on my TV and disabled the soundbar, but that didn't seem to help.
…-------- Original Message --------
On Oct 14, 2019, 4:08 PM, marqs85 wrote:
Are 240p line2x and 480p line2x then OK? Could you test the problematic modes with another display just to rule out some possible causes?
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So, I tried out some things on the GameCube using Swiss to force certain outputs and noticed 480p line 2x still causes the audio to cut in and out. If I set it to 960i line 2x (bobbed) there are no audio issues (this is using Carby component cables). I'm going to try and get a hold of a PS2 game that supports 1080i and see if that exhibits the same behavior as 960i forced GameCube. |
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I did get a hold of a PS2 game with 1080i support. In line 2x (bobbed) there were no audio drop outs. |
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So the behaviour is same on both SCART and component inputs, and on both PS2 and GC, with the following results: 240p x2: OK The strange thing is that 480i x2 has issues while 480p passthrough not since both should have identical output parameters. |
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Just tried out the gamecube with 480p passthru and it works fine. I also updated the firmware on the tv and that didn't seem to do anything. |
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So the problem seems to be tied into certain modes. One thing worth trying with 480i x2 is to set "Default HDMI VIC" to 2 under compatibility opt. before selecting the source on OSSC. That should also make metadata identical to 480p passthrough just in case the TV's decoder relies on that. |
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I gave that a go and it also didn't seem to work... |
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Thanks for taking the time to look into it marqs. I'll figure something out to work around the audio issue (either an extractor or a receiver of some kind). Also, a big thanks for making and developing the OSSC, it is simply the best for retro video gaming. Feel free to close this ticket, if something comes up in the future, I am willing to test it out. |
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I would like to report I am experiencing the same audio cuts problem reported here running fw 0.85a.
Tested on both AV1 and AV3 inputs. I am using a Sony 65XE9005, wondering if it could be a Sony thing since GarlicToum appears to be using a TV model similar to mine ? Best workaround so far is to set TX Mode to DVI and extract audio from the AV1 out jack (or from the audio splitter jack built into my VGA cable when using AV3) and rest some nice headphones on my head ! Kiitos for all the hard work put into this project @marqs85, hopefully you will be able to nail this one too ! |
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Audio issues (not just this one) indeed seem to be much more common with Sony's devices than with others. I'll look into it if I have a chance to test some of these problematic models in future. |
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Thanks for getting back to me, much appreciated. |
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Hey. I’m new to the OSSC world, and similarly am having audio cutting issues with a GameCube, running Carby cables, to a Sony XBR49X900E. Trying to run at 480p doubled. |
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Several other users reporting the same problem on VGP forum. |
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sony x900h is also doing this. 480p 2x has audio dropouts. |
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Does this issue occur on firmware v0.81? Some people have reported audio incompatibilities on later fw versions which might be related to this. |
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Marqs, thanks for responding. My OSSC says firmware 0.82a.
Luke
… On Apr 19, 2021, at 15:23, marqs85 ***@***.***> wrote:
Does this issue occur on firmware v0.81? Some people have reported audio incompatibilities on later fw versions which might be related to this.
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I 'm having the exact same issue with my OSSC on a TCL 49c2us, when outputting 480pX2 or 480iX4, the audio cyclic cuts, the only workaround is to use respectively pass through for 480p and 480iX2 instead or use the P2 audio jack with some external speaker. The issue doesn't happen on my secondary LG 1080p TV which looks like to be some way "tolerant" to this audio signal anomaly. |
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@marqs85, I went ahead and tried 0.81, and had the same audio cutting in and out. |
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i know sony x900h was already mentioned, but just adding that i have the same issue with the same tv. using dreamcast, with vga cable and wii with component cable. |
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Also have a Sony TV and this issue occurring. Would appreciate if a fix could be worked out in the foreseeable future, it gets distracting during gameplay. edit: My TV model is XBR-55X800E if that helps things at all |
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Hello, |
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Not sure if this can help in any way but using a Retrotink 5x does not present this problem. |
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@siwy102: so there is some relationship between audio frequency and occurrence of this issue? Sounds very strange, but I had similar problem with a PC sound card 20 years ago. |
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@marqs85 Is this not what we already tried last summer ? https://videogameperfection.com/forums/topic/sound-drop-sync-issue-tv-issue/#post-38528 |
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Hi, sorry to res this old bug but was a fix or mitigation ever found for 480x2 on sony tvs? To add to the old thread I have a 55x900e as well, ossc on .89a fw (1.5ossc with audio mod), packapunch rgb dreamcast cable using 480p setting, pal dreamcast and i get audio drops. |
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Tsukiko-san, I had not found a fix before my 18 month old son took a statue to our 49” X900E. The TV is now sadly in the trash. Best of luck finding an answer. Luke On Dec 14, 2023, at 10:11, TsukikoChan ***@***.***> wrote:
Hi, sorry to res this old bug but was a fix or mitigation ever found for 480x2 on sony tvs?
To add to the old thread I have a 55x900e as well, ossc on .89a fw (1.5ossc with audio mod), packapunch rgb dreamcast cable using 480p setting, pal dreamcast and i get audio drops.
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Has any Sony owner tried the v1.xx series firmware/mod? |
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I haven't yet, i need to do the soldering on mine first and then i can try the firmware. I'll be able to over the xmas period and i'll report back for my dreamcast 480p2x |
I'm a big fan of the OSSC, and recently got some Carby Component cables for my Game Cube. I've noticed the audio cuts in and out occasionally with various settings on the latest firmware. This same behavior also happened with a PS2 with component a long time back (definitely an older firmware version), and still happens with the PS2 via SCART. Here are the settings that cause me some issues:
Whenever the audio cuts out, it comes back almost immediately and seems to be tied to the input processing. It doesn't cut out with passthrough.
My TV (Sony XBR55-X900E) doesn't really display 480i Line 3x (a lot of flickering), so I didn't test it. I have not yet tried a 960i/1080i input. The same thing happens when switching to different audio cables on the Game Cube, switching to a different Game Cube or PS2, or using a Wii (w/component out + analog audio). All the rest of my setup (SNES w/dejitter and N64) uses SCART cables and the audio always works great regardless of scaling settings.
I have tried various compatibility settings to no avail:
Any help/ideas would be appreciated!
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