Audio Engineering Articles/Tutorials for Electronic Design Engineers

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Portable Audio

Development of a Spice Op-Amp Macro-Model (Part 2 of 2)
Understand how a model is developed and validated

PRODUCT HOW-TO: Implement an MP3 audio decoder with the ARM Neon Multimedia extensions
How the ARM Cortex-A8's NEON multimedia instruction extensions can be used to implement the MP3 audio algorithms on Freescale's i.MX51 mobile media processor platform.

Using an FPGA to tame the power beast in consumer handheld MPUs
Shorter product lifecyles and lower volume consumer product families have led designers increasingly to turn to the FPGA for handheld-product development. But doing so requires grappling with new challenges in terms of area, speed and power.

Ear bud headphones jam lots of complexity in a tiny package
Dual speakers and other components are all squeezed into a device that fits in your ear.

Easing the challenge of RF design (Part 2 of 2)
Designing in a wireless link need not be a nightmare--if you follow some simple guidelines

Power Tip #18: Your regulator's output-voltage accuracy may not be as bad as you think
Understand how resistor values and tolerances affect overall accuracy

Improving battery life with ultra low-power codecs
Mobile device manufacturers are being challenged to develop rich audio solutions while striving for longer battery life. They are also being forced to reduce development time to be the first to market. Using low-power codecs can help resolve these issues.

Product Insight: Portable digital audio drives integration of more advanced analog features in MCUs
Whilst programmable analog may never attain the performance of the highest-end analog discretes, microcontrollers are beginning to take on more advanced analog functions.

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About the Audio Portable Audio How-To Section
Audio DesignLine's Portable Audio How To section delivers audio design tutorials and articles focused on audio electronics and audio processing functions for portable consumer electronics, including MP3 players, multimedia players, PDAs, cell phones and cameras.

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