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Resource Links
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Multimedia Archive
January 2008 - July 2008
Technology Insights on Multimedia provide guidance on audio/video compression and interface standards, techniques for encoding and decoding digital media, parts and construction guidelines for new-generation digital amplifiers.
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"Also of Interest" and "Elementals" for July 21, 2008
Under the Hood: Handset holds surprise package
Under the Hood - Update: Apple iPhone 3G exposed
"Also of Interest" and "Elementals" for July 14, 2008
Video: Inside iPhone 3G
Silicon is only the beginning
Use microphone arrays for background acoustic noise suppression in portable devices--Part II
Under the Hood: Intel and TriQuint surprise with iPhone 3G wins
Understand LED-based white and color-mixing system design
"Also of Interest" and "Elementals" for July 7, 2008
Use microphone arrays for background acoustic noise suppression in portable devices--Part I
"Also of Interest" and "Elementals" for June 30, 2008
Using the Decibel - Part 5: The Phon, Audible Frequency Range, and THD
Eliminating audio system noise from HDTV
Using the Decibel - Part 4: The VU and the VI Instrument
Understanding Class-D amplifier power supply requirements
ESD and EMI hazards in mobile phones--Solutions for the audio system connector
Panel display interfaces and bandwidth: From TTL, LVDS, TDMS to DisplayPort
Silicon TV tuners kick the CAN
Driving LED lighting in mobile phones and PDAs
Using the Decibel - Part 3: Combining decibels and using log charts
A matter of light, Part 4 --- PWM dimming
Using the Decibel - Part 2: Expressing Power as an Audio Level
Speaker equalization using FIR filters
$100 BOM eludes first OLPC laptop
"Also of Interest" and "Elementals" for June 2, 2008
A matter of light, Part 3---When to boost and buck-boost
Cameras in handsets evolving from novelty to DSC performance, despite constraints
Using the Decibel - Part 1: Introduction and underlying concepts
Headphone amplifier selection criteria for portable audio applications
"Also of Interest" and "Elementals" for May 26, 2008
Reduce click and pop noises in set-top boxes
Under the Hood: Universal remote gets on grid
IC Audio Power Amplifiers and Zobel Networks: One Size Does Not Fit All
Under the Hood: Mature devices get Rolly rocking
Power management in mobile devices--A view of energy conservation--Part V
Use a "Linkwitz circuit" to equalize a closed-box audio loudspeaker
"Also of Interest" and "Elementals" for May 5, 2008
Surround Sound: Psychoacoustics - Part 2
Under the Hood: Surveillance on a shoestring
Under the Hood: Inside Sony's OLED TV
Careful use of Class-D amplifiers preserves portable system battery life
Using point-to-point differential signaling to drive large screen LCD screens
Surround Sound: Psychoacoustics - Part 1
Under the Hood: Robot Guitar embeds autotuning
Rapid progress in high-brightness LEDs for Projection TVs
Acoustics and Psychoacoustics: Introduction to sound - Part 7
"Also of Interest" and "Elementals" for April 7, 2008
Under the Hood: Mini-teardown reveals Ford Sync's economical design
Acoustics and Psychoacoustics: Introduction to sound - Part 6
Efficient power management for set-top boxes
Embracing tunable white LEDs as the next generation of lighting
Under the Hood: Gyro sensor liberates mouse
Reducing power consumption in ultrawideband chips
The multiple challenges involved in flash LED driver selection--and how to solve them
"Also of Interest" and "Elementals" for March 31, 2008
Advanced Driver Assistance Systems push auto navigation utility
Acoustics and Psychoacoustics: Introduction to sound - Part 5
Acoustics and Psychoacoustics: Introduction to sound - Part 4
The issue of image retention on Plasma TVs
Tips and Tricks: The critical nature of cell phone camera packaging
Under the Hood: Sonos brings multi-zone digital audio to life
"Also of Interest" and "Elementals" for March 17, 2008
Power dissipation in portables: Design considerations using low-power CMOS ICs
Acoustics and Psychoacoustics: Introduction to sound - Part 3
"Also of Interest" and "Elementals" for March 10, 2008
Acoustics and Psychoacoustics: Introduction to sound - Part 2
Class-D amplifiers energize audio in flat-panel displays
Under the Hood: Evolution of the smart phone
"Also of Interest" and "Elementals" for March 3, 2008
"Also of Interest" and "Elementals" for February 25, 2008
Tips on Trends: Design handsets using age and income
Under the Hood: Flip Ultra camcorder - An ode to clean design
"Also of Interest" and "Elementals" for February 18, 2008
Under the Hood: When is a chip not a chip?
Distortion in power amplifiers, Part VII: frequency compensation and real designs
Headphone Amplifiers: Choose the right topology for your application
Under the Hood: Guitar Hero jams go wireless
Next-generation surveillance system design
"Also of Interest" and "Elementals" for February 11, 2008
Detecting active video
Distortion in power amplifiers, Part VI: the remaining distortions
Understand feature-based, application-specific switches to improve portable designs
Distortion in power amplifiers, Part V: output stages
PhlatLight-enabled LED DLPs offer new illuminating schemes for rear projection HDTVs
"Also of Interest" and "Elementals" for January 28, 2008
Distortion in power amplifiers, Part IV: the power amplifier stages
"Also of Interest" and "Elementals" for January 21, 2008
Amplifier considerations for driving ceramic (piezoelectric) speakers (Part 2 of 2)
DACs for DSP, part 2: Interpolating and sigma-delta DACs
Distortion in power amplifiers, Part III: the voltage-amplifier stage
Amplifier considerations for driving ceramic (piezoelectric) speakers (Part 1 of 2)
Power design challenges for Digital Flat TVs
Under the Hood: FinePix undergoes postmortem
Camera system analog video-filtering techniques
DACs for DSP, part 1: DAC architectures
Distortion in power amplifiers, Part II: the input stage
Under the Hood: Low-cost phone is rich in features
Measuring video quality: Can objective metrics match human eyes?
Distortion in power amplifiers, Part I: the sources of distortion
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