DS202 High quality digital audio compression / limiter

Source: Time:2017-01-18 13:49:09 frequency:

DIGISYNTHETIC DS202 is a DSP-based, high-performance digital audio pressure limit processor. It uses Cirrus Logic's 24Bit high-performance A / D, D / A chip, DSP array parallel processing. 48KHz sampling rate, 24Bit signal path, double processing.

DS202 High quality digital audio compression / limiter

                                                                

DIGISYNTHETIC DS202 is a DSP-based, high-performance digital audio pressure limit processor. It uses Cirrus Logic's 24Bit high-performance A / D, D / A chip, DSP array parallel processing. 48KHz sampling rate, 24Bit signal path, double processing.
The compressor has an important role in the overall level control of the audio system. It has a very important and specific job to be done. When used, it is necessary to ensure that the drives and speakers are not burned and that the entire system is sufficiently large range. The DS202 uses an advanced compression / restriction algorithm as a stereo processor, using Limiter's advanced "Look ahead" technology design. One of the main reasons for the general speaker and drive damage and distortion is that the amplitude of the drive is too loud unless the Limiter is designed to respond immediately to the sudden increase in the input level. Otherwise it will allow a brief transient output caused by excessive amplitude caused by damage. All dynamic processing takes some time to respond to changes in the input signal unless additional measures are taken to obtain that the input signal is allowed to pass from any value to its maximum at the beginning until the Threshold inside the limiter The signal level changes are active. The DS202 uses a digital signal processor that operates at the sampling point followed by the sampling point. Each signal processing block takes some time. Limiter's data collection point based on the "Look ahead" technology is the beginning of the entire signal processing process, which enables the required gain reduction request on the basis of a sample point and then a sampling point. There is a danger of the drive and the speaker through the signal.
In order to reduce the risk of straightening and damage to the drive and speakers, other types of Limiter need to set the Threshold parameter much lower than the Threshold based on "Look ahead" Limiter, which would be a waste of PA system efficiency The Limiter based on "Look ahead" can set Threshold at the maximum allowable level of the drive and speaker, without worrying about transient response problems, allowing the PA system to perform best in a safe and reliable condition.
DS202 by adjusting the time constant, you can get a variety of control effects. Compressor parameters are: Attack Time, range: 0.1ms ~ 100ms; Release Time, range: 10ms ~ 5s; Threshold, range: -24 ~ +12dB; Ratio, range: 1/128 ~ 128/128; Boost, X1, X2, X4, X8; Limit parameters are: Attack Time, range: 20us ~ 3ms; Release Time, range: 10ms ~ 5s; Threshold, range: -53dB ~ 10dB.
DS202 built-in high-performance digital noise gate, noise gate threshold range is: OFF, -66dB, -60dB, -54dB, -48dB, -42dB, -36dB, -30dB, -24dB. DS202 uses 2 * 8 segment LED for the level display, it can be used for input level display, but also for the output level display, easy to use the customer debugging.
DS202 uses a flexible hardware and software platform, set aside a firmware Update interface, easy to upgrade the machine to use.
Zhaoqing top force Electronics Co., Ltd. engaged in professional audio product development and production, launched in 2006 a large number of new products. DMX16 / DMX816 * 16/8 * 8 Media Matrix Processor, Artistic Dual 31-segment Digital Graphic Equalizer DS231A, all-digital, DSLA26 / DSLA212 with packet-controlled array.

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