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Zaxcom patents wireless recording technology

Audio recording and mixing equipment supplier Zaxcom has received a U.S. patent for the company’s virtual wireless multitrack recording systems. Patent Number 7,711,443 covers the entire Zaxcom TRX family of digital wireless systems with built-in backup recording.

The Zaxcom TRX family of digital recording wireless systems allows users to automatically and simultaneously record multiple tracks of digital audio while wirelessly transmitting the signals. The ability to perform all these functions in a single, compact, reliable system reduces equipment weight and cost while also safeguarding against the risk of lost audio, said Glenn Sanders, president of Zaxcom.

All technologies in Zaxcom’s TRX product line feature 100 percent digital transmission for audio quality that rivals a hard-wired system, and are superior to all analog and hybrid wireless units. With the optional patented internal timecode-referenced audio recorder, each TRX system can be used to back up all wireless transmissions on a removable microSD card. This helps eliminate the possibility of audio loss due to interference or signal dropout. Features include support for reception of IFB audio, timecode, and remote control signals.

A pioneer in audio technologies for sound mixing and ENG professionals, Zaxcom engineered the first digital wireless microphone and the first wireless microphone to feature integrated audio recording, IFB receivers, and time code transmission.

For more information, visit

Panasonic unveils archival Blu-ray disc media

Panasonic has announced a new line of professional Blu-ray Disc media designed for secure digital data archiving in professional applications.

The new recordable Blu-ray Disc (BD-R) will be available in two grades—Archival Grade and Century Archival Grade. The new media will be available in the 2nd and 3rd quarter, respectively, of this year.

The Archival Grade discs have an expected archival life of more than 50 years at a room temperature of 77 degrees F and a relative humidity of 80 percent. TV Rheinland, the quality and safety certification institution has verified the high durability of the discs. All archival discs will be inspected and certified to keep the professional quality, ensuring further enhanced durability.

The Century Archival Grade disc features a new recording layer structure that ensures longer shelf life. The disc’s recording layers are protected on both sides with newly developed layers that are extremely close-grained to keep out external materials such as water and dust. The Century Archival Grade Disc has an estimated life of 100 years.

Both Archival and Century Archival discs feature “Tough Coating,” a double protective layer with hard coat and cover layers for added durability and high elasticity. The new hard coat is designed with a harder material that is more resistant to scratches and fingerprints and offers superior repellency against water and oil. The elastic cover layer material protects against pressure marks.  

Both models will have inkjet printable type and thermal printable type.

Convergent Design unveils nano3D

Building on the highly successful nanoFlash, Convergent Design unveiled today, nano3D, the world’s smallest professional 3D-HD portable recorder/player. nano3D combines two nanoFlash recorders/players, for fully-synchronized stereoscopic recording and playback. Additionally, nano3D can also be used for simultaneous off-line/online (high quality + proxy modes) or redundant (2 identical masters) recording.

The diminutive size: 3"(H) x 4.2” (L) x 3.8"(W), lightweight (2 lbs), and lower power (12 W), makes nano3D an ideal choice for almost every 3D camera rig. nano3D utilizes the very high quality full-raster 4:2:2 Sony MPEG2 CODEC, but extends the bit-rate up to 280 Mbps for superb video quality. Compressed video and audio are stored on affordable Compact Flash media (now up to 64GB) in Quicktime or MXF file format, providing universal NLE support, including Avid, Final Cut Pro, Edius, Vegas and Premiere.

As a recorder, nano3D features dual HD-SDI inputs as well as a LTC input for time-code. nano3D supports a wide range of video formats, including 1080i60/50, 1080p30/25/24, and 720p60/50/30/25/24. I-Frame only recording (up to 280 Mbps) guarantees that both the left and right frames are processed identically, for superior 3D rendering. Finally, up to 8-channels of embedded audio per HD-SDI stream can be recorded in uncompressed 24-bit 48KHz format, enabling full HD 5.1 or 7.1 program creation.

As a playback device, nano3D offers the standard dual-stream synchronized HD-SDI output. However, what really sets nano3D apart, is the built-in combiner function which merges the left and right video into one of the popular 3D formats such as side by side, top and bottom, or line by line. The merged video is output over a single HD-SDI cable for display on professional 3D monitors. Furthermore, the addition of a low-cost HD-SDI to HDMI converter enables the 3D HD-SDI stream to be displayed on consumer 3D TVs. This is important, as a large-screen is considered essential for critical analysis of 3D material.

"The nano3D is a significant advance, since for the first time, a low-cost 3D recorder / 3D playback solution will allow the immediate critical analysis of footage on-set, allowing for an immediate confirmation that the scene was recorded properly. This will enable 3D projects to be shot with confidence", said Dan Keaton, Director of Sales and Marketing for Convergent Design.

"nanoFlash revolutionized the market as an affordable high-quality recorder that could be mounted-on and powered-by, your camera. nanoFlash continues to set the standard in terms of size, weight, power, and quality. We expect nano3D, with synchronized record / playback and built-in stream combiner, will now revolutionize 3D production," noted Mike Schell, President of Convergent Design.

nanoFlash and nano3D can be seen at the Convergent Design booth (C11731) at the NAB show, April 12-15.
More info available at

Editorial Questions:
Mike Schell, ++(719) 661-3388, This e-mail address is being protected from spambots, you need JavaScript enabled to view it
Dan Keaton, ++(803) 278-0941, This e-mail address is being protected from spambots, you need JavaScript enabled to view it '; document.write( '' ); document.write( addy_text91413 ); document.write( '<\/a>' ); //-->\n This e-mail address is being protected from spambots, you need JavaScript enabled to view it