If I use the audio decoding libraries included in iPhoneOS (ex. AVAudioPlayer). Do I still have to pay for a license from Thomson, or VIA Licensing to legally decode AAC or MP3 files in my app?
Edit:
I was unable to find an exact answer from ADC(they did not know), and I am also curious about audio library's on other platforms (Windows, Mac, Android...) So I am adding a bounty to this question.
As with most technology, MP3 players reigned only for a short time. Their appeal diminished with the increased affordability and accessibility of smartphones. Suddenly, there were devices capable of playing your music and doing so much more besides. Rendering MP3 players pretty much obsolete.
Many people think AAC is a proprietary Apple format, but that's wrong. AAC was developed by a group of companies including AT&T Bell Labs, Dolby, Nokia, and Sony.
The MP3 Is Officially Dead, According To Its Creators : The Record : NPR. The MP3 Is Officially Dead, According To Its Creators : The Record The MP3 upended the way the world receives and hears music, for better and for worse.
AAC quality. While AAC versus MP3 sound capabilities don't vary considerably, AAC has the upper hand at lower bit rates. If you're working with bit rates lower than 128 kbps, you'll notice the difference. MP3 files will sound a little muddy and slurry while the AAC files maintain their brighter and clearer sound.
No you do not. Apple already pays licensing fees in proportion to the number of devices they sell, for all codecs they support. As long as you use the public API:s that Apple provide your fees are covered.
If you where to bundle your own decoding software in your application, only then would you need to pay licenses, and in proportion to the number of copies to distribute.
Just don't, the decoders Apple provide are not only free of charge to use, they are hardware accelerated for better performance, and less battery consumption.
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