SD-7700 Digital Auditory Integration Training System
I. Performance Features
Operation Control: Fully digital capacitive touch screen operation, convenient and simple;
Operating System: Embedded operating system, low power consumption, intelligent control;
Control System: Built-in image file decoding system, can be independently called;
Output Module: Multi-standard signal output, built-in wireless signal transmission module, supports multiple users training online simultaneously;
Child Lock Function: Enter child lock mode to prevent children from accidentally triggering the screen during training, causing confusion;
Reminder Function: Prompt sound reminder when signal training ends, preventing forgetting the time.
II. Technical Specifications
Display Interface: 12.1-inch medical blue light display;
Display Parameters: 1024×3 (RGB)×768, 65K (65536) colors; Display ratio 4:3;
Backlight Parameters: LED backlight (energy-saving high brightness);
Interface Language: Full Chinese interface;
Signal Characteristics: 24bit/192KHz WAV lossless digital audio source;
Wired Output: 8 wired headphones output training simultaneously;
Wireless Output: 2.4G output, Bluetooth output, the number of wireless outputs can be infinitely expanded according to user needs, and ensure that the expanded headphones can be used simultaneously;
Output Characteristics: High-definition signal output, left and right channels, independent control, strong anti-interference ability;
Output Parameters: Level 2V (RMS), signal-to-noise ratio >100Db, distortion <0.002%;
Frequency Characteristics: 20HZ—20000HZ±1db;
Attenuation Characteristics: Frequency point attenuation 14 levels, digital automatic control;
Filter Frequency Points: (Single channel) Left and right ears: 250HZ, 500HZ, 750HZ, 1000HZ, 1500HZ, 2000 HZ, 3000HZ, 4000HZ, 6000HZ, 8000HZ, 10000HZ, 12000HZ, 14000HZ, 16000HZ±10%; The system defaults the filter frequency point to 2000HZ, and the filter frequency point can also be manually set according to the patient's individual needs to maximize training effectiveness.
III. Output Parameters
Wired Output: 8 international standard universal headphone interfaces, and supports 8 wired headphones training simultaneously;
2.4G Wireless Output: 2.4G wireless headphones 360-degree barrier-free reception, can penetrate three 180mm or two 240mm walls. Facilitates grouping of children in clinical use, the number of wireless headphones can be infinitely expanded according to user needs, and ensure that the expanded headphones can be used simultaneously;
Bluetooth Wireless Output: Bluetooth multi-channel output: V2.1+EDR; CLASS2, output power: CLASS II;
IV. Output Terminals
1. Wired headphone output; 8 groups for over four years old, 8 groups for under four years old
2. Wireless headphone output; 8 groups for over four years old, 8 groups for under four years old
V. Storage Unit
1. Built-in 20 sets of full-screen training signals
2. Built-in wired signal output module
3. Built-in 2.4G wireless signal transmission module
4. Built-in Bluetooth signal transmission module
VI. Data Management
1. Record Query: Quickly query a patient's training information and progress based on conditions such as "name", "gender", "phone", "age", etc.;
2. Data Statistics: Statistics and export can be performed based on single or multiple conditions such as "gender", "age";
VII. Working Environment
1. Ambient Temperature: 5℃～40℃
2. Relative Humidity: ≤80%
3. Atmospheric Pressure: 700hPa～1060hPa
4. Working Power Supply: AC220V±10%, power ≤50w;
VIII. Main Configuration
Main unit, professional wired headphones, professional wireless headphones