Most user application need some sort of display and user interaction through buttons and a touchpanel.
Many possibilities, varying on the requirements:
Something we all use during the day: remote controls are everywhere: media devices, domotics and security appliances.
So far, we have built up some considerable amount of experience using low power setups in IR and RF approaches.
An idea which originated from a New Scientist article (30 June 2012) describing our need for more natural daylight during work and time off.
The RaspBerry Pi is really an excellent opportunity to experiment with all kinds of hardware, controlled by a Linux operating system.
We plan to dig deeper into this and see what practical uses there are for business applications.
High quality audio streaming is required in applications involving stage performance, HiFi in-house audio systems and the like.
Wouldn't it be nice to have a wireless system which supports webradio (think about all the online streaming channels.) Sound quality can be improved a lot compared to Bluetooth / cellphone systems?
Looking for some output power, high sound quality and maximum efficiency? D-Class is the answer.
Along with a high quality volume control chip, this makes a great amp.
A good quality FM tuner chip is hard to find nowadays!
Previous used chips for portable applications include TDA7021, TEA5768, Si4731. These are not well for suited high-end solutions.