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UBM Tech

Consumer

Rich Pell
Editor
A resources site and community for engineers involved in the design and development of consumer home or mobile electronics hardware and software.  Find design tips, new product information and discussion on consumer audio, video, multimedia, gaming, communications, computing, and home appliances.

5G: What to expect

In this summary of a 5G roundtable held at Mobile World Congress IMEC program director for wireless communications, Dr. Liesbet Van der Perre, and University of Aveiro professor Dr. Rui Aguiar, a member of the Board of the 5G Public Partnership Project (5GPPP) discuss 5G technologies. Read More...

ARM-based kit enables Apple-compatible accessories

Silicon Labs has a 32-bit hardware and firmware development kit designed to accelerate the design of Made for iPod/iPhone/iPad (MFi) accessories and help product manufacturers get to market quickly. Read More...

Global regulations on external power supplies and their implications

Power supply manufacturers need to adapt to the strictest efficiency and no-load power consumption requirements in the world with the newest U.S. DOE Energy and EU Code of Conduct (CoC) Version 5 external power supply regulations. This article looks at the new rulings and their impact on the power supply market. Read More...

Design an ANC headset using the AS3415

This article describes the development steps necessary to design a feed-forward ANC headset based on the AS3415 ANC chipset. Read More...

The inexorable rise of the appcessory

2014 will be a landmark year for Bluetooth Smart and the silicon vendors behind the technology Read More...

Samsung’s Galaxy S5 production issues

Waiting for a Galaxy S5? Don’t hold your breath. Read More...

Simple PS voltage splitters based on audio amplifiers (Part 4)

Sometimes we need to obtain needed voltages from an available single power supply using dc/dc converters or voltage splitters. In this series of articles we examine some applications of the latter, based on standard power audio amplifiers and op amps. Read More...

Neil Young: Say Yes to 24-bit/192-kHz audio

Neil Young is back with his campaign against MP3s (and CDs) and is now offering a higher-resolution alternative. But do consumers really need studio quality digital audio playback? Read More...

Clothing with a mind of its own

A new project is about to add a whole new dimension to what our clothes say about us with the development of interactive electronic garments that change color and shape in response to physical movements. Read More...

Acoustic Design for MEMS Microphones

This article provides some basic guidelines for optimizing a microphone’s acoustic path. Read More...

Simple PS voltage splitters based on audio amplifiers (Part 3)

Sometimes we need to obtain needed voltages from an available single power supply using dc/dc converters or voltage splitters. In this series of articles we examine some applications of the latter, based on standard power audio amplifiers and op amps. Read More...

Crossovers using the Bernstein Function

Audio crossover design is widely debated amongst both engineers and enthusiasts. Here's a new topology that should find favour. Read More...

Overthinking a simple battery problem

Not all problems are complex and subtle, but we're so used to thinking that way that we assume they are. Read More...

Simple PS voltage splitters based on audio amplifiers (Part 2)

Sometimes we need to obtain needed voltages from an available single power supply using dc/dc converters or voltage splitters. In this series of articles we examine some applications of the latter, based on standard power audio amplifiers and op amps. Read More...

Mobile replaces DVD in the rear seat

The rise of streaming video and downloaded content are quickly supplanting DVD use in cars. The DVD is being replaced by either a connection to mobile devices or a gaming device. Read More...

Parametric EQ and streaming audio on iOS: What's the hold-up?

Music-making apps can pass real-time audio to one another on iOS, but if you're interested in doing the same with streaming music playback you're out of luck. Read More...

Product How-to: Addressing timing challenges in 6G-SDI applications

Digital video transmission rates have steadily increased since the introduction of high-definition video. The latest trend in the industry for high-resolution video is the market adoption of 6G-SDI to support 4K digital cinema and ultra-high definition (UHD) television. Read More...

Simple PS voltage splitters based on audio amplifiers

Sometimes we need to obtain needed voltages from an available single power supply using dc/dc converters or voltage splitters. In this article we examine some applications of the latter, based on standard power audio amplifiers and op amps. Read More...

>> SEE ALL

Low-duty-cycle LED flasher keeps power draw at 4 mW

In situations where a low-duty-cycle blinking indicator provides an adequate indication of the power being turned on, this simple circuit should prove useful. Read More...

Signal-powered switch connects devices

Use a switch to selectively connect a terminal, personal computer, or any other originating device to one of four receivers. Read More...

Measure resistance and temperature with a sound card

Measure resistance and use free software to convert to temperature. Read More...

Send MIDI signals over long distances

A single Category 5 cable links MIDI devices up to 100m away. Read More...

Passive-detector receiver keeps you informed, entertained during flights

Receive HF AM signals without battery power. Read More...

Video emitter uses battery power

This hows how to make a cable-free, direct-video system. You can use the small and simple system each time you need to capture image and sound on the run. Read More...

Circuit eliminates PC echoes

Long-distance-telephone services available via the Internet often require the PC user to wear headphones of a headset to prevent echo caused by the microphone's picking up the loudspeaker outputs. The circuit in Figure 1 eliminates the echo while using the existing PC microphone and speakers for a comfortable conversation. Read More...

Add music to your next project

Adding music to your next design is as simple as using one I/O pin to drive the speaker and approximately 150 words of program memory to play the music. You can store the musical notes and durations internally in program memory or externally in a serial EEPROM. Frequently, implementing musical playback requires an external processor with memory or a specialized melody device. Read More...

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Akustica’s MEMS microphones for smartphones and wearables

Akustica added four new high-performance analog microphones to its high definition (HD) voice product line, including the AKU346, the industry’s smallest MEMS microphone to achieve 64dB SNR. Read More...

Flush-mountable IR LED delivers remote control functionality

Osram Opto Semiconductors has introduced the company's first flush-mountable infrared LED which enables remote control functionality to be incorporated in a lower profile than ever before. Read More...

Tiny, smart, highly integrated Wi-Fi module

The EC19W01 from Econais Inc., claims to be the smallest, smartest and most integrated 802.11b/g/n Wi-Fi System In Package (SiP) module available. Read More...

Chipset converts 4K HDMI to MIPI CSI-2

Toshiba Electronics's TC358840 Ultra HD HDMI to MIPI CSI-2 converter chipset supports 4K video resolution for next-generation CE video applications including 4K (3840x2160) resolution TVs, monitors, set-top boxes, and digital media adapters. Read More...

Power platform targets smaller portable adapters

NXP Semiconductors’ GreenChip TEA1836 and TEA1892 devices are designed to enable ultra-small 45W adapters and power supplies for notebooks, ultra-light notebooks, set top boxes and other devices. Read More...

Buck-boost/boost switching regulators target mobile devices

Intersil has introduced high-integration switching regulators that are designed to obtain the maximum usable life from the typical single-cell lithium-ion battery used in mobile devices. Read More...

Audio converter with voice detection feature for home appliances

IP-for-SoC provider Dolphin Integration has announced sCODp-MT1-VD.02, a voice-oriented converter supporting both analogue and digital microphones. Read More...

Audio codec features low, always-on power levels

Dialog's DA7212 audio codec has low always-on power consumption (650 µW) which can extend the battery life of portable devices – including new ‘wearables' such as smart watches and connected fitness devices. Read More...

1.8-mm thin speaker delivers 80 dB

Transducers USA’s piezo ceramic MLCT (Multilayer Ceramic Transmitter) series thin speaker features a unique simple acoustic multi-layer ceramic construction that produces a high output of 80 dB from only 16V. Read More...

CMOS sensor supports portable HD video at 240 frames/s

With its T4K82 13-megapixel BSI CMOS image sensor, Toshiba Electronics Europe will enable smartphones and tablets to record full HD video at 240 equivalent frames per second. Read More...

Global location chip targets wearables

Broadcom claims to offer the industry's first Global Navigation Satellite System (GNSS) SoC, designed for low-power, mass-market wearable devices such as fitness trackers and smart watches. Read More...

Battery management IC is first to comply to MIPI BIF

Infineon Technologies has developed the ORIGA 3 Battery Management IC to protect smartphone and tablet computer users from unpleasant surprises. The device's proprietary PrediGauge technology enables accurate fuel gauging. Read More...

Depth-sensing image sensor array touted for smartphones

Heptagon Micro Optics, a developer of small cameras, has announced that a 2 by 2 3D imaging system is ready for mass production and use in smartphones, phablet and tablet computers. Read More...

Digital UV index sensors add health monitoring to smartphones, wearables

Silicon Labs' single-chip Si1132/4x optical sensors track UV exposure, ambient light and other biometrics to add health-monitoring functions to smartphones and wearable computing products. Read More...

24-bit, 192-kHz audio codec provides Hi-Fi on mobile devices

Wolfson Microelectronics’ WM5102S is an addition to the company’s Audio Hub portfolio, which will allow consumers to experience 24-bit, 192 kHz high-resolution Master Hi-Fi audio playback on a mobile device. Read More...

Lowest-power RGB digital light sensor optimizes mobile, TV display viewing

Intersil has released a digital light sensor claimed to be the industry's most accurate, lowest power and smallest RGB sensor that optimizes the display resolution and color quality of mobile devices and TVs in all lighting environments. Read More...

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Teardown: Samsung Galaxy Note 3 still the category leader

TechInsights breaks down the processors, memory, and design wins in this teardown of the Galaxy Note 3. Read More...

Welcoming the son of iPad–introducing the iPad Mini

UBM TechInsights peels back the layers on Apple's initial entry into the 7-inch tablet realm. Read More...

Teardown: Inside the Apple iPhone 5

A complete teardown and close-up look inside Apple's iPhone 5, including teardown images, estimated BOM, and A6 processor analysis. Read More...

Teardown: Inside the Kindle Fire HD

A photographic play-by-play of the UBM TechInsights teardown of the Amazon Kindle Fire HD. Read More...

Teardown: Media adapter receives a limited suite of video streams

NETGEAR's PTV3000 is a streaming media adapter that features a firmware upgrade which enables it to support the WiDi-derived Miracast protocol. Read More...

Teardown: See what's inside Xbox One

Xbox has no surprises in the box, with showings from Marvell, Freescale Kinetis, Nuvoton, SK Hynix SDRAM, among others. Read More...

Teardown: What's inside Google Glass?

With both intrigue and concern about Glass, this teardown takes a model apart to bring you a detailed view into the electronics guts of the in-demand device. Read More...

Teardown: 5th-gen Apple iPod Touch

As fanfare fizzles, Apple's 5th Gen iPod Touch shows Apple is not thinking different. iFixit tears it down and dubs repairability 3 out of 10. Read More...

Teardown: Disposable 1-Tbyte NAS drives: How'd that happen?

An external NAS drive almost became a perfectly functioning doorstop, but it was donated to science so we can see inside. Read More...

Inside the Schick Hydro microcontroller-powered wet razor

Though the shaving experience may be overrated, a look inside the Schick Hydro reveals another unexpected application for microcontrollers—in this case a less-than-$1 PIC10F222 from Microchip. Read More...

>> SEE ALL

Design an ANC headset using the AS3415

This article describes the development steps necessary to design a feed-forward ANC headset based on the AS3415 ANC chipset. Read More...

Simple PS voltage splitters based on audio amplifiers (Part 4)

Sometimes we need to obtain needed voltages from an available single power supply using dc/dc converters or voltage splitters. In this series of articles we examine some applications of the latter, based on standard power audio amplifiers and op amps. Read More...

Simple PS voltage splitters based on audio amplifiers (Part 3)

Sometimes we need to obtain needed voltages from an available single power supply using dc/dc converters or voltage splitters. In this series of articles we examine some applications of the latter, based on standard power audio amplifiers and op amps. Read More...

Simple PS voltage splitters based on audio amplifiers (Part 2)

Sometimes we need to obtain needed voltages from an available single power supply using dc/dc converters or voltage splitters. In this series of articles we examine some applications of the latter, based on standard power audio amplifiers and op amps. Read More...

Simple PS voltage splitters based on audio amplifiers

Sometimes we need to obtain needed voltages from an available single power supply using dc/dc converters or voltage splitters. In this article we examine some applications of the latter, based on standard power audio amplifiers and op amps. Read More...

HEVC to the rescue

The High Efficiency Video Coding standard promises to deliver the same quality video as H.264 but at roughly half the bandwidth. This article offers a brief overview of this new compression technology and its expected market adoption. Read More...

Loudspeaker operation: The superiority of current drive over voltage drive (Part 2)

This article argues that the nearly universal approach used for driving loudspeakers - voltage drive - is gravely flawed. It offers an overview of the disadvantages of voltage drive compared to current drive on the performance of electrodynamic loudspeakers, and considers the possible reasons for its widespread adoption. Read More...

Audio system architecture provides open scalable control, monitoring standard

Bringing a variety of different audio equipment into a unified system is a constantly changing and elusive goal, but the benefits are significant. The OCA Alliance is a global organization dedicated to developing a common control architecture for networked audio applications. This article details the effort and its benefits. Read More...

Portable and scalable solution for off-screen video frame composition and decomposition using OpenGL ES

This technical paper discusses an efficient, portable and scalable solution for off-screen video frame composition and decomposition functionality in embedded multimedia systems. It briefly explains the use case scenarios, exemplifying the need for it in video communication applications, and also discusses the different implementation techniques. Read More...

High-quality PDM microphone interfacing using off-the-shelf SoCs

Practical design of PDM interfaces with user-programmable devices is now entirely feasible. Read More...

>> SEE ALL

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