or use the Windows Media Player control, which DOES have volume control.
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Mixing 2 audio chanels
How would a novice VB 6 programmer go about creating a simple audio program that will play one channel for a pre-determined period of time, fade it's volume to about 25%, play channel B and when channel B is done, Channel A is returned to 100%? I can get 2 MultiMedia Controls to play the two tracks simultaneously and I don't need any help with the file maniputlation, I just don't know how to go about changing the sound levels related to a specific MM Control. Any ideas?
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Answers
Yep, it's going to work. I've got about 50% of the project done this evening but I'm up agains another wall. What the heck kind of varialbe is WMP2.currentMedia.duration
Here's the simplest form of the problem.
Dim curLength as double
curLenght = WMP2.currentMedia.duration
PAUSE
Now, at the stop, I can hover my mouse over the WMP2.CurrentMedia.Duration
Works for me. According to the doc, it's a double, however it does say "To retrieve the value of this property, read access to Media Library is required. For more information, see Media Library Access."
Note that your code, as posted, is wrong.
Dim curLength as double 'variable is curLength
curLenght = WMP2.currentMedia.duration
If that is the problem, put "option Explicit" at the top of your module and it will cause an error on such typos
Do you have the Windows Media Player SDK? It's free and describes the interface.
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by: JohnBPricePosted on 2006-12-12 at 11:16:17ID: 18125067
Alas and alack, changing the volume is a pain, as the MM Control doesn't have a volume control (just mute).
You could try to monkey with the wave files and write them yourself using something like waveOutWrite, which is probably not all that hard to do, but really hard to figure out what to do, or use software that gives you more control over DirectX filters.