iPhone supports only single audio source?

Unity Engine
,
1

When I try to play two audio sources at once, only one plays and I get the following warning:

iPhone supports only single audio source with compressed audio.

  1. Does this mean that if the audio is not compressed I can play multiple audio sources at once?

  2. Or am I limited to only one audio source total?

  3. I noticed that Zombieville can play a) music, b) gun shot and c) hit sounds all at the same time. Is there a trick to this?

2

  1. yes

  2. see 1

3

Any suggestion on what audio format to use for un-compressed audio that has a reasonable size? A WAV version of one of my audio sources is about 8 times the MP3 version.

4

WAV is the correct format.

that it is 8 times as large is no problem cause you only use it for effects etc.

the background track can still be in mp3, no prob (you can play 1 compressed + x uncompressed. just keep in mind that uncompressed ones will eat memory and cpu time)