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Jack Rabbit incomplete speech in MAME
#383847 - 10/01/19 02:32 AM
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Hi
I've found this pcb recording:
https://www.youtube.com/watch?v=PXxx8hlRPXs
According to the author's comment, the speech is incomplete due to a broken component in the pcb that he hasn't replaced properly. Anyway, the audio is longer than in MAME
In this pcb:
"Hi there, I'm Jack Rabbit. I love carrots and I'm very hungry. Would you......" (it is cut here, maybe he was gonna ask something like "would you help me?)
In MAME:
"Hi there, I'm Jack Rabbit. I love carrots and I'm very hungry." (Stop here)
I've tested very old MAME versions and it has always stopped there.
I don't know wheter this is a known issue or not, that's why I'm not opening a report in mametesters.org
Edited by MetalGod (10/01/19 02:35 AM)
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Tafoid |
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Re: Jack Rabbit incomplete speech in MAME
[Re: MetalGod]
#383851 - 10/01/19 02:14 PM
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> Hi
> I've found this pcb recording:
> https://www.youtube.com/watch?v=PXxx8hlRPXs
>
> According to the author's comment, the speech is incomplete due to a broken component
> in the pcb that he hasn't replaced properly. Anyway, the audio is longer than in MAME
>
> In this pcb:
>
> "Hi there, I'm Jack Rabbit. I love carrots and I'm very hungry. Would you......" (it
> is cut here, maybe he was gonna ask something like "would you help me?)
>
>
> In MAME:
>
> "Hi there, I'm Jack Rabbit. I love carrots and I'm very hungry." (Stop here)
>
> I've tested very old MAME versions and it has always stopped there.
>
>
> I don't know wheter this is a known issue or not, that's why I'm not opening a report
> in mametesters.org
While not officially logged, it is known. It is flagged as having incomplete sound and that covers this instance. Given the youtube video, it may be a different model of TMS52xx being used than expected as the current MAME pretty much matches behavior he shows.
It may be a speed/timing issues as detailed with the streamer LordBBH having some fun tooling with the speed of the TMS - finding a sweet spot in 113-115% overclock:
https://www.youtube.com/watch?v=pT8PjR3wVeo
No official word as to how to fix properly, but I can assure you it is known.
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Re: Jack Rabbit incomplete speech in MAME
[Re: Tafoid]
#383852 - 10/01/19 09:03 PM
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Thx for clarifying 
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Re: Jack Rabbit incomplete speech in MAME
[Re: Tafoid]
#383873 - 10/04/19 03:30 AM
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> It may be a speed/timing issues as detailed with the streamer LordBBH having some fun
> tooling with the speed of the TMS - finding a sweet spot in 113-115% overclock:
I'll add (if a bit late) that allowing users to experiment like this is exactly why I added the option to overclock sound devices.
Coincidentally, I've been hungrily eating some carrots today.
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