DSP adopts ADI SHARC21489 processing chip, which is based on 64-bit floating-point DSP engine and a powerful digital audio signal processing platform. This family of products provides a wide range of digital processing tools for audio system design, configuration and optimization. The DSP Controller software can completely control and manage the entire series of DSPs, and its processing functions mainly include: AFC, AEC, ANS, AM, AGC, PEQ, delay, frequency division, matrix and other functions.
Features:
●Processor: ADI SHARC 21489@450 MHz SIMD
●DSP processing capacity: 400 MIPS, 1.6 GFLOPS
●The input sensitivity is adjustable in 8 grades, up to 48dB
●Phantom power supply: +48V/Max 10mA
●Sampling rate: 48kHz, ±100ppm
●Dynamic range (A/D/A): >109dB, A-weighted
●THD + noise: <-90dB (22.4kHz BW, A-weighted)
1 kHz @+18dBu with 0 dB gain
Acoustic Echo Cancellation (AEC): Tail Time: 512ms, Convergence Rate: 60dB/S, Echo Cancellation Amplitude: 60dB
●Feedback suppression (AFC): Adopt notch algorithm, sound transmission gain increase range: 10 dB
Noise Suppression (ANS): Signal-to-noise ratio increased by 18dB
●8-band British parametric equalization, providing 5 filter options: Parametric, Lowshelf, Highshelf, Lowpass, Highpass
2x2 USB audio channels Built-in two-in and two-out USB sound card, support music playback, recording and soft video conferencing
●With central control function, it can control the power supply, signal switching, environmental control, audio and other overall control in the system, and realize the functions required to open the system with one key