Consumer Audio Applications Center

A SemiApps.com Applications Center

Circuit Refinements Ensure Quality Audio in Portable Computers

This article examines key parameters affecting headphone amp performance including: PSRR, turn-on transient suppression, and PCB grounding solutions. It focuses on just one application (the...  >>  

Low-Power, Low-Overhead, High-Fidelity Digital Sound for SOCs:

Tensilica’s HiFi 2 Audio Engine was carefully crafted to meet the requirements for the broadest possible range of consumer products. The HiFi 2 Audio Engine is available as an audio-extension...  >>  

MP3 Personal Digital Players Using Actel FPGAs

These players use Actel’s A40MX04 and A42MX09 FPGAs respectively to implement application-specific functions. In each case, these Actel FPGAs met the price, power, and performance...  >>  

Product Roundup: Audio/video multimedia ICs

New technologies and products enable portables and TV manufacturers to captivate consumers with remarkable video, audio, and imaging. Here is a roundup of recently introduced products.  >>  

Do Passive Components Degrade Audio Quality in Your Portable Device?

In an audio circuit, passive components define the gain, provide biasing and power-supply rejection, and establish DC-blocking from one stage to the next. Portable audio, for which space, height,...  >>  

Designing Efficient, Real-Time Audio Systems with VisualAudio

The VisualAudio is a new software tool for designing and developing audio systems. This article describes its framework, audio modules, and application to audio product development.  >>  

Power Adapter for Portable Audio Players

Design Idea DI-140 TinySwitch-III 10 W Adapter for Portable Audio Players With Latching Overvoltage and Over-Temperature Shutdown Protection.  >>  

ESD Protection Utilizing PESD Devices for Universal Serial Bus 2.0

The USB 2.0 protocol allows for data transfer rates of up to 480Mbps and supports plug and play hot swappable installation and operation. As a result of the increase in speed, low capacitance ESD...  >>