NEO d+USB 2.0 Class B 3.0 m
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Nowadays, the soundsystem based on the PC have become a standard not only for music production but also for the DJ performance. In addition, due to the new genre called “PC Audio”, the USB technology is getting much attention of audiophiles.
“d+USB series” is the high quality USB cable for the next-gen sound tools such as digital DJ gears which is boosting its share in the scene, USB audio I/O and USB DAC. Under the digital audio environment, it provides all users beyond the wall between artists and listeners the direct sound reproduction.
for Sound production and DJ
Now a number of club DJs are performing with their laptop computers using such as Serato Scratch Live or Native Instruments Traktor. For live performance, needless to say, the stability and sound quality is very important. And a poor-quality cable causes some fatal trouble such as the sound interruption or even the complete sound stop.
Even though there might be perception that there is no sound difference by cable change under data transmission, we present there is definite difference by hi-quality cable and connector with “d+ USB”.
Especially, when an interface is driven by bus-powered, the significance of USB cable affects the stability of power supply and the accuracy of the audio clock.
We designed “d+ USB” aiming at providing the best environment to the DJs and artists who pursue the higher sound quality of their performance. With its excellent sound quality and stylish industrial design, “d+ USB” will be the masterpiece for all professional creators such as DJs, musicians and sound engineers.
for Hi-fi Audio
The world of PC audio is rapidly expanding as the next-gen listening style. “d+ USB” which is originally designed for sound professionals also functions as the core of the digital data transmission of the PC audio. Due to the fact that there are no change of the frequency balance by cable in the data transmission, “d+ USB” delivers the clean and stable data for an USB-DAC.
The most important factor for digital is lossless, speedy and accurate data transmission. And a cable has many factors which affect sound quality and cause the errors of data transmission such as noise by electro-magnetic wave, impedance matching, and attenuation of electric signal.
Based on the basic concept of the data transmission, we put noise protection and excellent electric characteristic to the cable into practice applying our long-time experience of the cable production. “d+ USB ” was produced as a result of considering the best combination of structure, conductor, diameter, insulator, shielding, sheath and even the contact pin of the connector.
Furthermore, we especially considered the industrial design to provide the stylish appearance on your desktop.
The architecture under digital environment
Although the fact that the sound quality under the digital environment is influenced by the quality of AD/DA converter and jitter accuracy of audio clock is well-known, there are other factors that actually change the sound such as noise contamination or matching with the appreciation, driver, and PC hardware.
And for the high-performance serial bus, it is influenced by the system architecture of software, connectors and circuit patterns, ICs and cables. In addition, isochronous transfer that is applied in many USB audio I/Os have no error correction despite of carrying a huge amount of information at the same time.
“d+ USB series” was designed for smooth and lossless data transmission in both of the software and hardware system structure. The important thing in the digital signal transmission is passing the signals from sending side to receiving side as natural as possible. Because the signal flows in a cable is, even if it is digital, the electric signal, and the analog-like approach considering the electric property would be very important and effective.
We took an approach to protect the signal from external and internal noise by electro-magnetic wave and control its electric conductivity and permittivity.
We carefully made an adjustment impedance matching by advanced technology by considering pitch, diameter, and strand of conductors. Consequently, we achieved accurate data transmission and excellent stability with attenuation of terminal reflection wave.
For class B, in order to transmit serial bus at hi-speed, we applied the silver coated OFC which resistance is 5% lower than copper conductor. For class S, considering the powered-line of USB cable, we selected the hi-quality PCOCC pure copper conductor. Also, class A are changed the Oyaide original special copper 102SSC by discontinued PCOCC.
Because the signal flows on the surface by skin effect, these coppers which has an excellent electric character by pure materials and flat surface is very effective for even data transmission. Therefore, it actualizes the stable data transmission and power supply. In addition, the conductor diameter of the class S is set to AWG22/AWG18 which is twice as thick as the regular cable for powerful data transmission.
Flat design architecture
The flat designed cable prevents the signal loss caused by cable bend, change of impedance and electrostatic capacitance. And it protect signal from external/internal noise and electro-magnetic wave by combination of TPE outer sheath and double-shielding.
The contacts of the USB connectors are made of bronze alloy with selected combination plating for each class. For class S, it is a combination of platinum and rhodium. For class A and for class B, it is gold plating. Each plating enhances durability and stability of the connectors.
USB2.0 (HI-SPEED) compliant
In telecommunication, an eye pattern, also known as an eye diagram, is an oscilloscope display in which a digital data signal from a receiver is repetitively sampled and applied to the vertical input, while the data rate is used to trigger the horizontal sweep. It is so called because, for several types of coding, the pattern looks like a series of eyes between a pair of rails.