Tag Archives: sound

HD Portable Recording with Go Mic Mobile at CES



Smartphone cameras have developed incredibly over the past few years and broadcast quality video can be obtained from even mid-range phones. Audio can still let the side down as the built-in microphones simply can’t hear clearly from six feet away. To solve this problem, Samson Technologies have developed the Go Mic Mobile, a professional wireless microphone for mobile filmmakers, journalists, podcasters and vloggers.

Announced today at CES, the Go Mic Mobile will be available in with three different microphone configurations – dynamic handheld, lavalier and shotgun. The compact unit wirelessly mixes HD digital audio on two channels from up to 30 m away and connected via cable to both iOS and Android devices, the Go Mic can operate for up to six hours on battery power. For convenience, the receiver can be mounted on the back of a smartphone using the supplied bracket or fitted to the shoe mount on a DSLR.

Our goal is to provide passionate creators with a wireless system that delivers superior, clean audio while on-the-go,” says Sean Meagher, Samson’s Director of Marketing. “The Samson Go Mic Mobile continues the evolution of our highly portable microphones as creative consumers like filmmakers and journalists increasingly demand more mobile options.

For the techies, the Go Mic Mobile uses uncompressed, low latency audio and can operate up to 30 m on the 2.4 GHz frequency band. Frequency response is 10 Hz–22 kHz with a bitrate of 48 kHz which is better (in theory) than CD quality sound. The receiver also includes a switchable 1/8” headphone/mic output with volume control for monitoring or connecting to an analogue input.

The Go Mic Mobile is expected to go on-sale in May 2017 for US$199.

Samson are at CES 2017, Booth #21427 in the South Hall.


Six Ways That Sound & Light Bend Your Brain



In a culture fascinated with the supernatural, it’s refreshing to see that tangible science can trump even the most fantastic effects Hollywood can conjure. Wandering around the Internet this morning, I followed a thread of videos through YouTube depicting some amazing effects sound and light can have on liquids and solids. Or, more accurately, how our eyes can be “tricked” into seeing things that might not really exist as they seem.

Check out these six mind-scrambling videos and see how sometimes the weirdest things about life happen right in our brain and not on the big screen.

http://youtu.be/DGSU5rcHmRQ

Personal favorite (and the one that started this early morning foray into YouTube)? The Static Water video. Read the comments on the video for explanations on why this happens. Enjoy!


AfterShokz Bone Conduction Headphones for Sports



Many of you are probably familiar with bone conduction sound technology, which has been around for a few years, but has previously been associated with Bluetooth headsets for making hands-free calls on your smartphone.  Now, AfterShokz has finally succeeded in bringing the technology to music headphones.

The new headphones are designed mainly for sports.  They boast a healthier environment because they go over, instead of in, the ears and reast on your cheekbones.  This means you aren’t closed off from the world while you’re running, biking, or whatever.  That’s important because you certainly need to hear that horn beeping behind you.  The membranes are waterproof, meaning they can easily be cleaned, which is again important for athletes because of sweat.

There are three different models of the AfterShokz, one of which has an inline microphone making it suitable for phone calls as well.  The models begin at $59.95 for the Sport, and go up slightly for the Mobile and Gaming models.  There is also a Bluetooth model in the works.  You can learn more in the video below and by visiting AfterShokz.

Interview by Jeffrey Powers of Geekazine.

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Sennheiser RS 220 Cordless Audiophile Headphones



RS 220 Audiophile Wireless HeadphonesCordless headphones rarely have audiophile sound quality because of the data compression technologies used to transmit the music to the headphones, but Sennheiser‘s new headphones resolve this by using a lossless technology to transmit the sound. Eric Palonen gives Todd and Jeffrey more detail.

The Sennheiser RS 220 are cordless audiophile headphones, based on the reference HD 650 headphones. The wireless transmission technology is based on lossless Direct Sequence Spread Spectrum (DSSS) implementation. The charging base has both digital and analogue inputs.

The RS 220s will be available from March for $599. For comparison, the HD 650s are $499.

Interview by Todd Cochrane of Geek News Central and Jeffrey Powers of Geekazine for the TechPodcast Network.

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Lil’ Wiz Vibration Speaker



Lil' Wiz Vibration SpeakerCourtney introduces her favourite “party-in-a-pocket”, the Lil’ Wiz. It’s a mini vibration speaker that converts any flat surface into a loudspeaker.

There are two Lil’ Wiz models – the first is a basic MP3 player and takes microSD cards ($79). The second has Bluetooth and will stream music from any Bluetooth-equipped smartphone or tablet, both iOS and Android ($99).

Both have rechargeable batteries, though it’s not clear how long the battery can be expected to last. A special mount connects the Lil’ Wiz to glass or other smooth hard surface to use a window as a speaker.

I can’t imagine the Lil’ Wiz provides audiophile levels of sound but it seems to be a fun device for some impromptu music.

Interview by Courtney Wallin of SDR News.

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ClarityOne Earbuds with PureSound



ClarityOne Earbuds

ClarityOne visited GNC at last year’s CES with their prototype earbuds and this year, Dean Kurnell returns to report on progress and to show of the new headset. Alex and Courtney listen in on the pursuit of sonic perfection.

ClarityOne’s PureSound processor is at the heart of their products and it completely eliminates distortion from the speaker, no matter how small. According to Dean, the dual-unity coupled coil creates a magnetic break by cancelling out the inductive reactance, which allows the audio signal to travel without distortion. We’ll have to take his word for that, but it’s covered by six awarded patents and two pending ones.

There will be three earbuds in the range. $149 for the pro music version that has inline music controls, $129 for the smartphone version which has a microphone and calling features, and $109 for just the earbuds. At the moment, only the $129 set is on sale but the other models will be along soon. Available on-line and in retail stores.

Interview by Andy McCaskey and Courtney Wallin of SDR News and RV News Net.

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Silentium Active Noise Cancellation



Silentium LogoSilence is golden and Silentium are working hard to achieve this with their active noise reduction technology. Andy and Don keep it down with Yossi Barath.

Silentium has developed an active noise reduction system that can be implemented in a single chip. The complex (and proprietary) algorithms programmed into the chip use noise cancellation (destructive interference) to reduce the amount of sound coming from a machine to make it quieter. Ventilation systems, air conditioners, computers and data centers are all examples of where Silentium’s system can be used to reduce the noise.

At CES, Silentium are releasing QB2, a headrest-embedded system which creates a bubble of quiet around a person’s head, perfect  for air travel or similar passenger situations. Generally, Silentium doesn’t produce products but sells its technology to other companies for inclusion in their own.

All sounds intriguing.

Interview by Andy McCaskey of SDR News and RV News Net, and Don Baine, the Gadget Professor.

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