iPhone 3.0 will support Stereo Bluetooth. Overall, very cool, but caveat emptor.

By mtc | Published: March 19, 2009

Stereo Bluetooth support on iPhone is coming with iPhone OS 3.0.  Welcome news for many, but beware of the reduced audio quality you will get from many existing 3rd party A2DP devices.  Generic A2DP only support SBC compression format for wireless transmission, and therefore you will get nasty transcoding (or tandem) artifacts resulting in muddy, muffled sound quality.

I suspect that Apple has some slick wireless headphones up their sleeve, and the Bluetooth module makers are offering codec upgrades to natively support Mp3/AAC decoding for A2DP receivers.  If this is the case, then most content sold on iTunes or Amazon may not need to be transcoded presuming it matches a bit rate that BT A2DP can handle.

Overall, a big day for wireless headphone lovers…

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2 Comments

  1. Isaac Reyes
    Posted April 28, 2009 at 5:11 pm | Permalink

    he comprado un verykool i405 y no me quiere reconocer el audifono que trae para escuchar la radio y tampoco me reconce el blootooh

    que debo hacer

  2. xxx
    Posted May 11, 2009 at 8:32 am | Permalink

    hi, maybe you got some more informations about the a2dp functions of the iphone. do you know, whether the iphone can stream aac/mp3 direct? without sbc encoding? thnx.

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