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2007-06-11 Tiny 24bit DACs target portable audio devices
Asahi Kasei EMD Corp. launches the latest addition to its Audio2go product family, the AK4370 and AK4371 ultralow power 24bit DACs with integrated high output headphone amplifiers for cellphones, smart phones and PMPs.
2006-05-12 Stereo audio CODEC with 1.2W speaker amp
AKM's single-chip 16-bit stereo A/D and D/A converter features a high-quality microphone equalizer and built-in microphone/headphone/speaker amplifier.
2005-07-28 New decoder from NJR
The NJU26220 decoder from New Japan Radio provides 5.1 surround sound from two speakers or headphones by Dolby virtual speaker and Dolby headphone
2008-09-02 Low-power stereo DAC improves sound of digital devices
AKM Semiconductor has released AK4373, a 24bit stereo DAC with advanced DSP and integrated speaker and headphone amplifiers, providing advanced sound field effects for digital music sources.
2006-09-21 Low-power stereo DAC delivers high audio quality
Wolfson Microelectronics has unveiled a highly efficient stereo DAC with integrated 1W Class D stereo speaker driver and capless headphone output offering outstanding audio quality.
2007-06-13 Class D stereo amplifier offers low power consumption
Rohm Co. Ltd has developed a digital input Hi-Fi class-D headphone amplifier LSI designed specifically for portable audio devices such as MP3 players, IC recorders, electronic dictionaries, digital cameras and notebook PCs.
2008-08-15 Audio subsystem improves capacity for handsets
Texas Instruments has released an analog-input audio subsystem that combines its field-proven stereo Class-D power amplifier and stereo DirectPath headphone amplifier into one package.
2000-11-28 Analog switch in audio applications: Using PI5A100 to replace a reed relay
This application note shows how Pericom's PI5A100 can be used to suppress the noise when the switch of a high-fidelity speaker or headphone is turned off, yet maintain low distortion when the switch is turned on.
2002-04-25 AKM codec targets portable applications
The AK4534 single-chip codec from Asahi Kasei Microsystems Co. integrates a 16-bit mono ADC, stereo DAC, PLL, headphone and speaker amplifiers, and is targeted towards portable devices such as PDAs, cellular phones, and digital cameras.
2002-10-23 AKM audio codec suited for portable A/V apps
The AK4566 20-bit audio codec integrates microphone input features and headphone amplifiers, making it suitable for use in portable A/V devices and personal electronics applications.
2008-08-14 'Smallest' audio device generates highest output power
Maxim has launched MAX9877, the industry's smallest audio subsystem. It provides high-efficiency, high-power, mono Class D speaker amplifier; a DirectDrive, stereo headphone amplifier; and a low-noise, bypass analog switch.
2003-03-07 Yamaha decoders eye surround sound systems
Yamaha Corp. has announced the availability of a pair of decoder LSIs that can be used for a variety of surround sound apps.
2008-06-06 XO-1 teardown reveals why they can't sell for $100
The OLPC XO-1's displays, batteries, CPUs, fancy enclosures and the rest all add up to a BOM that sits uncomfortably far from the $100 target.
2003-04-11 Wolfson rolls stereo codec for smartphones
Wolfson Microelectronics' WM8750L stereo codec is touted to provide all requirements to integrate high quality audio playback and mixing.
2002-09-02 Wolfson codecs perform simultaneous playback, record
Wolfson Microelectronics Ltd has developed a line of audio codecs that can playback and record audio at the same time, but at different sampling rates.
2002-01-18 Wolfson audio chips occupy less footprint vs. SSOPs
Widely used in portable audio designs, the WM8711 stereo DAC and WM8731 audio codec are now offered in a QFNP that offers one-third the footprint of existing SSOPs.
2010-07-14 Wireless digital audio SoCs suit subwoofer, headphones
The AWA8800 series from AlfaPlus Semiconductor Inc. is a SoC solution for wireless digital audio streaming applications.
2007-03-21 Wi-Fi radio ref platform enables $79 audio systems
In addition to its ability to play audio via Wi-Fi, DAB and FM, another feature of Frontier Silicon's Jupiter 4 radio platform is its capability to support the new DAB+ standard.
2015-06-26 What are the advantages of using USB Type-C?
Using the USB Type-C allows manufacturers to deliver power, data and display over a single connector, cable and port. It is good for over 100W, high-speed data and a 4K display.
2013-12-11 Wearables to look out for at CES 2014
As the wearable market still remains in its early phase, the market forecast and product definition are also all over the map. Here's a glimpse of the wearable devices to be shown at CES 2014.
2008-12-03 Vista-compliant audio chips are space-, power-savers
Maxim Integrated Products introduces the MAX9791/MAX9792, the industry's first Windows Vista-compliant, audio subsystem ICs for notebook computers.
2008-05-01 Use analog switches for multimedia cellphone design
Several application examples are cited in this article to guide system designers with reducing pop noise, detecting chargers and improving USB eye-pattern opening in cellphones.
2008-06-13 Unlock universal remote's Wi-Fi secret code
With the increasing number of home-entertainment appliances in living rooms, Acoustic Research launched the ARRU449 LCD-screen-based universal remote control to reduce the clutter of brand-specific controllers.
2009-09-03 Ultrasmall audio amps claim highest RF immunity
Intersil Corp.'s new low-power audio amplifiers claim to offer the smallest size and best RF immunity.
2010-02-01 Ultralow-power audio DAC extends playback time
Wolfson offers the WM8912, an ultralow-power DAC designed to significantly extend playback time, reduce system cost and dramatically enhance audio performance in portable applications,
2007-06-21 Trimmer Nintendo DS Lite plays up consumer appeal
Nintendo DS Lite packs a plethora of features from the two-panel display, to embedded wireless Wi-Fi and better power management in a portable device, taking gaming anytime, anywhere.
2004-09-15 TI PWM processor offers eight speaker channels
TI unveiled a digital amplifier PWM processor that provides up to eight speaker channels with 48bit processing.
2004-06-01 TI power amps tailor-made for small LCD TVs
Providing LCD TV manufacturers with the feature set required to meet high efficiency audio demands, TI announced two stereo Class-D audio power amplifiers.
2008-02-27 TI debuts closed-loop, digital-input Class-D amp
TI claims the industry's first digital-input, 20W stereo Class-D speaker amplifier with closed loop feedback.
2002-04-12 TI codecs feature built in USB controller, S/PDIF I/O terminal
The PCM290x stereo audio codecs integrate a USB controller and an internal S/PDIF I/O terminal, addressing the consumer's need to download and edit digital audio material on PCs as well as transmit the data to audio equipment.
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