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Post by znatch on Apr 13, 2021 11:43:32 GMT
Hello!
I have just got the TheC64 and updated it to the latest firmware (1.5.2). There are some audio issues within some games, foe Deflektor. The audio works fine in Carousel menu. I have tried all the options for the PAL/NTSC/50/60Hz but still the same.
Im using the PSU, HDMI and everything that came out of the box.
Any hints ?
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Post by vic2020ian on Apr 13, 2021 12:12:28 GMT
Google and see if you need to swap SID chip for this game
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Post by znatch on Apr 13, 2021 12:20:56 GMT
Tried both SID, still the same. |
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Post by znatch on Apr 13, 2021 12:46:26 GMT
Correction.
I tried some other games and there are the same issues in mostly all of them. The TV ive connected the C64 to is a Philips 55inch and i have removed all the enhancements. I tried the TV upstairs which is a Samsung 50inch and there's no problem there. Perfect sound on that one. Wondering what causes this issue...
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Post by vic2020ian on Apr 13, 2021 13:15:24 GMT
Could be an HDMI issue, are you using the same cable downstairs as upstairs?
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Post by znatch on Apr 13, 2021 14:01:03 GMT
Tried three different hdmi cables. One from ps5, Nintendo switch and the hdmi that came in the box.
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Post by spannernick on Apr 13, 2021 14:55:36 GMT
It could be the HDMI connector of the TV, maybe try cleaning the HDMI connecter carefully with a paint brush or a tooth brush, its amazing what dust can do, if sound still don't work properly you could get a HDMI connector with a sound output so you can output the sound fromTHEC64 to another sound device or speakers.
Do you have another console(like PS Classic, MD Mini or THEC64 Mini with a HDMI connector) to test on that TV to see if the sound works fine with that console..?
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Post by vic2020ian on Apr 13, 2021 15:34:32 GMT
1. Works on TV upstairs
Console is ok
2. Does not work on Philips TV
Different lead eliminated
Q.E.D. it is the TV not the console
Check TV firmware, game mode settings next
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Post by znatch on Apr 13, 2021 16:00:34 GMT
It could be the HDMI connector of the Samsung TV, maybe try cleaning the HDMI connecter carefully with a paint brush or a tooth brush, its amazing what dust can do, if sound still don't work properly you could get a HDMI connector with a sound output so you can output the sound fromTHEC64 to another sound device or speakers. Do you have another console(like PS Classic, MD Mini or THEC64 Mini with a HDMI connector) to test on that TV to see if the sound works fine with that console..? I have tried all the hdmi ports on the Phillips tv (where the problem is) with different leads on every port. Problem still exists. I even tried the hdmi cable from the ps4 which is connected to the Samsung tv on the Phillips but same problem. So the problem is the tv itself, not the console. I have flashed the Phillips tv to the latest firmware just now and reset every setting for both audio and video. Still the same. I have tried enhancements like gaming mode on/off etc but the problem is still there. I can hear a little difference in the audio behavior when i change the input device names PC/TV/Console but it’s still a lot of stuttering. |
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Post by vic2020ian on Apr 13, 2021 16:17:09 GMT
Try unplugging the mains and connecting the console then powering up the TV
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Post by znatch on Apr 13, 2021 16:22:54 GMT
Try unplugging the mains and connecting the console then powering up the TV I will try that when I get home from work Huge thanks in advance! |
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Post by vic2020ian on Apr 13, 2021 16:56:47 GMT
I don't hold up much hope but it could be a ground issue. What model TV is it?
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Post by znatch on Apr 13, 2021 17:33:38 GMT
I don't hold up much hope but it could be a ground issue. What model TV is it? Yeah i know. Worth a shot thou It’s a 55 LED-TV Philips 55PUT4900/12 UHD |
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Post by znatch on Apr 13, 2021 23:10:50 GMT
Same as before. Im running out of options here.
How come the carousel background music sounds good but the emulated games doesn't?
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Post by vic2020ian on Apr 14, 2021 7:48:52 GMT
Background sound is a wav / mp3 player I think.
If that works well then it seems it must be an interaction between the emulation and the TV.
When the next version of PCUAE comes out I would be interested to know if you can run Vice and load a game with sound and try that.
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Post by znatch on Apr 14, 2021 10:17:33 GMT
Will have to wait and see then. I tried to load some games from the Classic mode as well to see if there maybe was a problem with the carousel option. But still the same sadly. Gah!
Edit: Tried running the c64 on a gaming monitor i have luying around with internal speakers. The audio works fine on that one. So it must be an issue with my Philips TV for some reason
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Post by vic2020ian on Apr 14, 2021 10:59:10 GMT
You could try messaging Retrogames and see if they are aware of any issues with Philips TVs ?
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Post by znatch on Apr 14, 2021 11:57:33 GMT
You could try messaging Retrogames and see if they are aware of any issues with Philips TVs ? Sent them a message on facebook and also through their contact form on the website.
Thanks for all the help. Let's hope this can be fixed with a future firmware upgrade.
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Post by znatch on Apr 14, 2021 16:05:01 GMT
I got a reply from their Facebook group.
“ We have never heard of this issue before but will pass onto the team for you”
So, guess I’ll have to wait and see then. 🤷🏻♂️
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Post by znatch on Apr 15, 2021 17:35:08 GMT
And here’s the reply I got from them
“ Hi we spoke to the tech team, they confirmed it’s not something that’s come up before. But in the basis your console works fine with one of your TVs but not the other it’s clearly an issue with that particular tv. So the suggestion is of course either use the tv that does work and also maybe contact the tv manufacturer to ask them for help? Hopefully that helps.”
Not much of a help. It’s obviously a “problem” with the signal coming out from the console and how the tv handles it. Guess I have to contact philips about this. Good luck with that 😅
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Post by vic2020ian on Apr 15, 2021 18:54:17 GMT
Yes - we diagnosed it down to the TV as the problem.
Cannot really expect Retrogames to do more as they won't have your TV and nobody else has had a similar problem.
It sounds like a problem with Philips implementation of HDMI
Have you tried all ports on your TV - one might be HDMI ARC which may perform better.
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Post by znatch on Apr 15, 2021 21:17:52 GMT
I have tried all the ports. With and without 90dgr adapter. Even tried the ARC port.  I have the c64 hooked up to my 24” gaming monitor now and it works. But it’s not ideal. I want to use it with the Phillips tv! Maybe I shall get one of those split adapters so I can at least use a 3.5mm audio jack instead of hdmi audio. |
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Post by jj0 on Apr 16, 2021 6:16:57 GMT
Yes - we diagnosed it down to the TV as the problem. Cannot really expect Retrogames to do more as they won't have your TV and nobody else has had a similar problem. It sounds like a problem with Philips implementation of HDMI Well... On the other hand probably all other devices that znatch has work fine with the Philips TV so it's more an interoperability issue between the two devices rather than the TV's problem. znatch You could try running 'pure' VICE (https://thec64community.online/thread/776/full-blown-vice-mini-maxi or via PCU) and see if that also has the problem. |
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Post by znatch on Apr 16, 2021 21:45:05 GMT
Yes - we diagnosed it down to the TV as the problem. Cannot really expect Retrogames to do more as they won't have your TV and nobody else has had a similar problem. It sounds like a problem with Philips implementation of HDMI Well... On the other hand probably all other devices that znatch has work fine with the Philips TV so it's more an interoperability issue between the two devices rather than the TV's problem. znatch You could try running 'pure' VICE (https://thec64community.online/thread/776/full-blown-vice-mini-maxi or via PCU) and see if that also has the problem. Nice! I will look in to this asap.
Ok, so the problem is there even with VICE. I tried to adjust some of the sound settings but i didn't manage to get it any better sadly. Still choppy and lots of stuttering. In foe. Stunt Car Racer, i can't even hear the engine sound. Just a lot of stuttering.
My other consoles PS4 Pro, PS5, Nintendo Switch and Xbox one works flawlessly. It's just this C64Maxi machine that im having issues with.
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I have the c64 hooked up to my 24” gaming monitor now and it works. But it’s not ideal. I want to use it with the Phillips tv! Maybe I shall get one of those split adapters so I can at least use a 3.5mm audio jack instead of hdmi audio. 
