BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  Playing Multiple WAV files simultaneously          BorlandTalk.com Forum Index -> Delphi Multimedia View previous topic :: View next topic   Author Message Joe Gabriele Guest Posted: Sun Mar 19, 2006 8:03 pm    Post subject: Playing Multiple WAV files simultaneously Hello, I am new at Multimedia with Delphi. Does anyone know if there is a way to play two mono WAV files simultaneously, one through the right channel and one through the left channel using either Multimedia or Directx? I have a SoundBlaster Live card running on an XP Pro system. I am also using Delphi 7. Thanks. Joe Gabriele Back to top Charles Hacker Guest Posted: Mon Mar 20, 2006 2:03 am    Post subject: Re: Playing Multiple WAV files simultaneously Multiple post, posted to many newsgroups! Stick to one newsgroups, as per newsgroup rules. Back to top Tsviatko Jongov Guest Posted: Tue Apr 04, 2006 7:03 am    Post subject: Re: Playing Multiple WAV files simultaneously Hi, There are two ways for doing this. The first way is to build DirectShow transform filter with two input pins (two mono channels) and one output pin (one stereo channel). This filter will simply multiplex the two mono channels to one stereo. After this you'll need to build a graph with two FileSource filters (loaded with the two mono wav files), two WaveParsers, the new muxer that you have to build and Default DirectSound Device filter.This filter is very easy to implement. The second way is to use microsoft DirectSound API functions. You'll need to write your self wave readers, again pcm multiplexor and then stream buffers to the sound device. I'm not sure, but I think there is another way - using mmsystem.pas functions. 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