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FamiTracker > General > Bug Reports & Feature Requests > Sound cutting out at particular point... Owner: DirtyPhantom New post
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Sound cutting out at particular point... Posted: 2011-07-22 15:43  (Last Edited: 2011-07-22 15:45) Reply | Quote
DirtyPhantom



Member for: 3986 days
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#20257
I'm having a bit of trouble (see attached).

Playing it from the beginning, when you get to the second half of the 6th frame/row, the sound on the regular square 2 channel and the VRC6 square 1 channel seem to fade out for no reason as far as I can see.

The only changes I'd made were to the two VRC6 square channels (Row 1 and Row 5). It played fine before, and when you play from the 6th row, the problem part plays fine. I'm not sure whether this is a bug or whether I've missed or done something in a previous row that's messed it up.

Any help would be greatly appreciated =)


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dragon.ftm (46 Kb)
Posted: 2011-07-22 17:14 Reply | Quote
rainwarrior

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Member for: 4150 days
Location: Canada
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#20258
They seem to be playing fine for me. Are you using 0.3.7 beta, or 0.3.6?

Posted: 2011-07-22 23:33 Reply | Quote
DirtyPhantom



Member for: 3986 days
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#20271
0.3.6

I downloaded it a few weeks ago.

Played it through again and the problem is still there for me, but only at that point.

Posted: 2011-07-22 23:59  (Last Edited: 2011-07-23 00:00) Reply | Quote
rainwarrior

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Location: Canada
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#20272
Well, maybe try the beta: [url=http://famitracker.shoodot.net/forum/posts.php?id=1976]http://famitracker.shoodot.net/forum/posts.php?id=1976

Posted: 2011-07-23 00:32 Reply | Quote
DirtyPhantom



Member for: 3986 days
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#20274
Didn't work, same problem =(

I have noticed if I mute the square 2 channel, the VRC6 square 1 plays fine at the problem part and vice versa. Also, if I play everything through once, when it loops around again, everything plays fine...

Posted: 2011-07-23 15:49 Reply | Quote
Eletious

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Member for: 3995 days
Location: Columbus, OH.
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#20299
Have you considered the idea of it being a problem with your machine? I have Famitracker on an mp3 player so I can use it on different computers, and I've noticed that certain computers give me graphical errors and, occasionally, errors in the playback. I would try it on a different PC, maybe a friend's PC, and let us know if the problem persists.

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Posted: 2011-07-23 17:17 Reply | Quote
DirtyPhantom



Member for: 3986 days
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#20301
I did consider this. I'm running on XP and tested it out on a laptop running Vista too. Same problem. I've noticed that now I keep getting an "audio buffer underruns" message. However, adjusting the buffer length doesn't seem to do anything.

Posted: 2011-07-23 17:26 Reply | Quote
DirtyPhantom



Member for: 3986 days
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#20302
Sorry for the double post - I think I've fixed it. Where the problem persists, on the VRC6 square channel I removed a "V01" command. When I play through right from the beginning, the sound no longer cuts out at that point.

While I suppose it should have just played anyway without having to remove it at all, I'm now content for the time being. Thanks for the help, both of you =)

Posted: 2011-07-23 18:00 Reply | Quote
DalekSam

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Location: United Kingdom, Belfast
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#20303
Might have been it phasing with another channel, but whatever. I didn't notice any problems when listening to it myself.

Posted: 2011-07-23 20:17 Reply | Quote
kinkinkijkin

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#20307
I know the problem.

You have a square instrument that fades to 4, and you toned down the volume 3 steps in SQ2 on the built-in chip, and you have an echoed note stop in the VRC6 square. Assuming you meant frame two.

Posted: 2011-07-23 23:10 Reply | Quote
DirtyPhantom



Member for: 3986 days
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#20329
kinkinkijkin, could you be more specific?

Posted: 2011-07-23 23:16 Reply | Quote
kinkinkijkin

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#20330
The instrument for square 2, which you said is fading, goes out until it reaches 4, and then you have the volume control going down three steps as the instrument plays.

Also, in the VRC6, you have the VRC6 square echoing the VRC6 square 1, and you put a note stop there, which simulates a quick fadeout.

Posted: 2011-07-25 19:28 Reply | Quote
jsr
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Location: Sweden
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#20469
The problem is caused by both channels cancelling each other, that's why it worked when you changed the duty setting (V01 on VRC6 is the same as V00 on 2A03). Changing volume or pitch would have worked too.

However this effect happens because one of the channels are inverted, which I was unaware of. I do not know if this is the correct behaviour and need to check it.

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