Portable Media Player
Analog Devices’ Portable Media Player (PMP) is based on the Blackfin processor and supports popular video formats (MPEG1/2/4, DivX 3/4/5, Xvid, WMV v9), still image formats (JPG, BMP, GIF) and audio formats (MP3, WMA, AC-3, AAC, OGG, SRS WOW). PMP can be used for watching movies or music videos, listening to music, viewing pictures, tuning FM stations and voice recording. PMP supports USB2.0 interface, WiFi and Bluetooth for networking, and storage used in PMP currently includes hard disks and SD card.
Application Notes
- AN-938 : Digital and Analog Measurement Units for Digital CMOS Microphone Preamplifier ASICs
- AN-925 : Sensors for the AD7147 and AD7148 CapTouch Controllers
- AN-614 : Using the AD7782 in Low Power Applications
... This application note describes how to use the AD7782 in portable or low power applications. - AN-394 : An Outboard Digital-to-Analog Converter for Digital Audio Sources
Describes an AES/EBU receiver and outboard DAC for use with digital audio sources. - AN-327 : DAC ICs: How Many Bits Is Enough?
Digital audio playback DACs are available in a variety of different architectures--each with it's own performance tradeoffs. - AN-262 : Low-Noise Low Drop-Out Regulator for Portable Equipment
- AN-211 : The Alexander Current-Feedback Audio Power Amplifier
- AN-207 : 07: Interfacing Two 16 Bit AD1856 (AD1861) Audio DACs with the Philips SAA7220 Digital Filter
- AN-131 : A Two-Channel VCA Level (Volume) Control Circuit
- AN-127 : An Unbalanced Mute Circuit for Audio Mixing Channels
- AN-121 : High Performance Stereo Routing Switcher
Technical Articles
- High Performance DSPs for Portable Applications
By John Donovan
Portable Design, May 2006 - Building a reliable capacitive-sensor interface
by Wayne Palmer, Analog Devices, Inc. (Planet Analog, 6/29/2006) - Class D Audio Amplifiers: What, Why, and How
by Eric Gaalaas (Analog Dialogue, Volume 40 - June 2006)