Latest Events
Contact Us
Shenzhen Yasi Technology Co., Ltd. is a modern enterprise management enterprise integrating development, production and sales. Our products have...
Contact Now
Latest News

The Unbearable noise

Have you ever encountered such a situation,whether you listen to music or watch a movie, the speaker will make some noise,and even do nothing, as long...

2018 Antumn Electronics Edition in Wanchai, Hong Kong

As we all know, Autumn Electronic Products Fair and International Electronic Components Fair in Wanchai, Hong Kong Trade and Development Council, 2018...

How to choose noise reduction headphones/ Earphones

Noise pollution has become more and more important. Business trips, daily trips, or work environments seem to make noise aside when we fall asleep. Si...

How to choose your own mini speaker

There are many people who originally bought the sound of blindly catching the tide and quickly found outdated and awkward to use, but because they did...

Material that affects the speaker quality

The mainparts of the speakers are the speakers, so what are the materials that affectthe sound quality of the speakers?There are several points to be ...

Study of machine exoskeleton breakthroughs

Engineers have developed a tight-fitting machine thatallows users to turn around when walking, which is the first time that thetechnology has the abil...

NVIDIA launches fully automated driver chip

Accordingto Reuters, Silicon Valley graphics chip maker NVIDIA has released the firstfully automated driving system designed computer chip, at the sam...

Tesla develops unmanned semi-trailer truck

Teslais developing a long-distance semi-trailer electric truck that can be drivenautomatically and can be automatically arranged in a row to follow a ...
Bluetooth headset
Your position:  Home > News > newclass > USB audio noise how to elimina.....


USB audio noise how to eliminate

  • Author:James
  • Source:
  • Release Date:2016-12-19

Why some USB speakers noise?

USB is a two-way design with data and power lines. It is surrounded by problems such as noise / RMI / EFI, which can continue to have a negative impact on playback quality.


The USB organization defines an Audio Class specifically for audio transmission using the endpoint type "Synchronous Audio Endpoint", which corresponds specifically to the Isochronous Transfers transmission mode, which is characterized by "low latency, error Tolerance, not retransmission. " In other words, the use of audio-type transmission when the USB is allowed to go wrong, so there will be a digital signal anti-jamming needs.

In addition, USB synchronization and asynchronous transfer. USB audio using synchronous transmission is really associated with the Jitter, because the USB protocol will send a SOF (start frame) synchronization of each sample package, and the receiver (such as USB DAC chip) need to be synchronized according to the start frame, In other words, the transmission of the synchronization signal is transmitted from the USB host, which is very relevant with the time, if the Jitter is too large, the data received on the wrong, USB protocol allows Jitter plus or minus 1 audio sample rate. In other words, the greater the flow of audio data, the higher the requirements of the Jitter. The iSilencer3.0 not only solved the problem of USB on the Jitter requirements, but also reduce the USB due to power supply caused by noise.

Quality bluetooth speaker_06.jpg

ISilencer3.0 Features:

1, effective noise reduction technology

Reduce data jitter

3, re-smoothing the USB signal

4, optimized transmission, USB2.0 upgrade, with up to 40dB or 100 times noise cancelling / RFI / EM.