Re: file format for sound
Re: file format for sound
- Subject: Re: file format for sound
- From: Jim McGowan <email@hidden>
- Date: Mon, 08 Aug 2011 21:26:19 +0100
It sounds like you are just starting out with (game) audio, so I would recommend reading something like Audio Programming for Interactive Games by Martin D. Wilde. It covers things like MIDI vs Audio files and a few other basic concepts, so you should get a good idea of the advantages and disadvantages of each, and when it would be preferable to use one over the other.
Jim
On 8 Aug, 2011, at 20:05 , Bob Sabiston wrote:
>
> Hello,
>
> I am still starting with Core Audio. I was wondering if there is a file format I might use for my videogame, which encapsulates sampled sound with sequencing information to reproduce a song? I think that might be what a MIDI file does, though I am fuzzy on how samples play into it, are they/can they be included?
>
> Then, what tools can be used to make songs and save in that format?
>
> Alternatively it seems like much game sound is maybe done with aiff or mp3 if it is a longer sound, like an entire song? I have had some success with MP3 playback starting from that Mixer sample code, but those mp3's are only seven seconds long. I haven't gotten it to work with an entire 4MB song -- should I be able to do that using Audio Units on iphone? What is the best way of playing mp3 songs via Audio Units, if I have a whole Audio Graph and other sound effect channels etc?
>
> Thanks
> Bob
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