Stereo headphone solution also available

In addition to providing a design for MP3 player, CSR offers a ready-to-apply stereo headphone design called BlueTunes2. It combines the function of a Bluetooth headset with stereo headphone capability for playing music, supporting both MP3 and the Bluetooth SIG's SBC compression coding/decoding scheme.

BlueTunes2 is based on BlueCore5-Multimedia, featuring an on-chip open source Kalimba DSP. The powerful 64 MIPS DSP performs echo and noise suppression when acting as a Bluetooth headset (and additionally offers eSCO for QoS). A wide range of other product enhancing software features is available from third parties through CSR's eXtension partner program.

The BlueCore5-Multimedia offers the highest level of integration with on-chip radio and baseband, stereo CODEC, DSP, battery charger and SMPS. This offers the lowest BOM count and cost, while further enhancing the performance and features from previous BlueCore generations. The development kit comes with a music and VoIP USB dongles for streaming over Bluetooth from a PC, as well as an analog audio adaptor board for streaming music over Bluetooth from MP3 players and HiFi systems. Along with CSR's BlueLab software development suite and the CSR headset configurator tools (available separately) the BlueTunes2 development kit provides a very flexible and powerful development platform for designing advanced, high-quality, Bluetooth stereo and mono headsets.

More information: http://www.csrsupport.com/BlueTunes2 (note that you need to register on CSR's support site to see some information - call your local office if you have any problems)