NLP series PCM stream processor

Descriptions 

Analog input channels: 8

Analog output channels: 8

PCM output channels: 8

Processor: ADI SHARC 21489@450 MHz SIMD;

DSP processing capability: 400 MIPS, 1.6 GFLOPS;

DSP sampling rate: 48 kHz, ± 100 ppm;

PCM sampling rate: 16kHz

PCM quantization number of bits: 16Bit

THD+N:<-95dB @17dBu

Input dynamic range: 113dB

Output dynamic range: 113dB

The processing module is configurable and can be freely replaced according to needs;

Provides 8 devices for online operation at the same time;

Built-in one-in and one-out USB sound card, supports music playback, recording and soft video conferencing (such as ZOOM, Tencent Conference, DingTalk Conference, etc.);

Bus-type AEC, tail time: 512ms, convergence rate: 60dB/S, echo cancellation amplitude: 60dB;

Independent channel AFC (feedback suppression), using notch algorithm, sound transmission gain improvement: 10dB;

Noise suppression (ANS), signal-to-noise ratio increased by 18dB

Ducker;

Noise Gain Compensator (ANC)

Gain sharing automatic mixing (AMC), gate automatic mixing (Gate Mixer);

12-band British parametric equalizer, providing 5 filter options: Parametric, Lowshelf, Highshelf, Lowpass, Highpass;

Provide end-user customized operation interface, supporting up to 30 devices managed by the same interface;

Support camera tracking;

With 8 channels of GPIO;

It has a central control function and supports three control methods: RS232, RS485, and UDP. It can control the power supply, signal switching, environment control, audio, etc. in the system as a whole, and realize the functions required to start the system with one click.

Features 

A customized user interface must be provided.

Incorporates a built-in USB sound card for recording and remote conferencing.

The processor utilizes ADI architecture with a 40-bit DSP floating-point engine and furnishes a flexible software configuration framework.

Supports a minimum of 8*8 analog input/output channels.

Offers no less than 8 PCM output channels.

DSP processing handles input/output at a resolution of at least 48KHz/24bit.

PCM output operates at rates/bits not less than 16KHz/16bit.

Input channels feature:

- Adjustable input gain in 3dB increments, with a minimum of 16 levels.

- A minimum of 12-band PEQ with five selectable filter types.

- Incorporates Adaptive Echo Cancellation (AEC) and Noise Suppression (ANS).

- Gain sharing automatic mixing (AMC), Gate automatic mixing, and Automatic Gain Control (AGC).

- Includes Ducker, Noise Gain Compensator (ANC), and camera tracking.

- Each channel is equipped with at least 16-point AFC.

Output channels entail:

- A minimum of 12-band PEQ, 31-band graphic equalizer, crossover, delay, and limiter.

- Supports a matrix of no less than 12 x 17 dimensions.

- Offers at least 16 programmable presets.

Facilitates input/output channel linking and grouping.

Guarantees an input/output dynamic range of not less than 113dB.

Frequency response spans from 20Hz to 20kHz, within ±0.3dB tolerance.

Ensures a Total Harmonic Distortion plus Noise (THD+N) rating of not less than -95dB @17dBu.