AVR32 UC3 Audio Player over USB

AVR32 UC3 Audio Player over USB
AVR32 UC3 – Atmel Internal
AVR32 UC3
Audio Player over USB
ATMEL INTERNAL
AVR32 Support– [email protected]
AVR32 UC3 – Atmel Internal
Audio Decoder
„ MP3
ƒ Using Libmad decoder
ƒ Bitrate 320Kbit/s 44.1KHz Stereo
ƒ ID3 tag support
„ WMA
ƒ Using Microsoft WMA V10
ƒ Bitrate 192KBit/s 44.1KHz Stereo
- In plan support for 320Kbit/s
„ AAC
ƒ Planned 2008
„ WAV
ƒ Planned 2008
2008年1月
2
AVR32 UC3 – Atmel Internal
Audio Player
„ Store your music on a USB Key!
ƒ USB Host Mass storage class
ƒ File system FAT12/16/32
„ IPod Control (planned for 2008)
ƒ Support Apple IPod authentication
ƒ USB Stream (USB Audio class)
ƒ IPod Control (USB HID class)
2008年1月
3
AVR32 UC3 – Atmel Internal
Audio Player
„ Audio Player API
ƒ Simple command to control the
decoder like select drive, play,
pause…
ƒ Full interface is described in a single
API header file.
2008年1月
4
AVR32 UC3 – Atmel Internal
Deliveries
„ Software (Dec 2007)
ƒ Project for GCC and IAR compilers
ƒ Source code (WMA is provided in binary form)
„ Documentation
ƒ Application Note (Q1 2008)
ƒ Source code documentation
„ Configured to run on UC3A0512 / EVK1100
ƒ
Using UC3A Evaluation kit and external audio output
- PWM channels
- I2S output to external DAC
- Internal DAC (silicon revision H and later - Q1 2008)
2008年1月
5
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