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APP1821 Interactive Recording Audio Processor

Interactive Recording Audio Processor

APP1821

Centralized audio capture and DSP processing for recording and interactive teaching workflows.

Product Overview

Clear, dependable audio for professional spaces

Centralized audio capture and DSP processing for recording and interactive teaching workflows.

Technical Information

Technical specifications

English specifications are provided for review. Missing or conflicting source values are marked in the table; confirm these with ARTCK before specifying the product.

English technical specifications
Ceiling microphone inputs10 inputs with 48 V phantom power on Phoenix-type terminals; source also labels these XRL
Wireless microphone inputs2 dedicated Phoenix-type terminal inputs with signal priority
Mixed outputs1 stereo master mix and 1 mix excluding ceiling microphones, on Phoenix-type terminals
Level adjustmentIndependent input/output controls; separate ceiling-microphone, LINE/MUSIC and wireless-microphone front-panel controls
Wireless microphone tone controlHigh, mid and low adjustment
Noise controlActive ambient-noise cancellation with front-panel adjustment
Output-level switchingSeparate high/low selectors for local, recording and mixed outputs
GroundingGround selection switch
ProtectionAutomatic limiting and power-on/off delay management
Ceiling-microphone mixing8-channel automatic mixing plus 2 always-active inputs for the teaching area
Ceiling-microphone gainAutomatic gain control
LINE input1 stereo Phoenix-type terminal input
MUSIC / remote input1 stereo RCA input for each
Local / recording output1 stereo RCA output for each
Wireless priorityWireless input automatically suppresses ceiling-microphone signals
Monitoring3.5 mm front-panel output with level adjustment
Echo cancellationAdaptive remote-audio cancellation; maximum tail length 512 ms; independent front-panel adjustment
Control layoutRecessed knobs except the main mixed-output volume control
Example system1 APP1821; 2–8 MC710B microphones; 1 TPM910T; 1 TPM910A loudspeaker system
View original Chinese specifications
APP1821
完美的底噪; 八路自动混音;
老师专用吊麦接口; 主动环境噪声消除;
远程回声全自动消除; 自动电平适配调节
开机自动保护程序; 无线麦信号无缝插入转换
技术参数:
●具备 10 路 48V 幻象供电吊麦信号 XRL 输入凤凰接口;
●具备 2 路常开吊麦接口,讲台专用;
●具备 8 路吊麦自动混音功能;
●具备 2 路无线麦信号专用输入凤凰接口;
●具备无线麦信号输入优先功能,无线麦信号输入,自动屏蔽吊麦信号;
●具备 1 组立体声 LINE 信号输入凤凰接口;
●具备 1 组立体声 MUSIC 信号输入 RCA 接口;
●具备 1 组立体声远程信号输入 RCA 接口;
●具备 1 组立体声本地信号输出 RCA 接口;
●具备 1 组立体声录音信号输出 RCA 接口;
●具备 1 组立体声总混合信号 XRL 输出凤凰接口;
●具备 1 路除吊麦外的混合信号 XRL 输出凤凰接口;
●要求所有输入输出接口均具备独立音量调节功能;
●要求所有吊麦总音量前面板可调,且不能影响其他输入信号;
●要求 LINE 和 MUSIC 总音量前面板可调,且不能影响其他输入信号;
●要求无线麦音量和高、中、低音调前面板可调,且不能影响其他输入信号;
●要求前面板具备回声消除独立调节功能;
●要求前面板具备环境噪声消除开关和调节功能;
●要求前面板具备 3.5 监听输出口和音量调节功能;
●要求前面板除总混合输出音量调节旋钮外,其他调节旋钮均为暗藏式旋钮,防止误触碰;
●具备本地信号输出高低电平选择开关;
●具备录音输出高低电平选择开关;
●具备混合输出高低电平选择开关;
●具备接地选择开关,防止共地电流干扰;
●具备主动环境噪声消除;
●具备自适应远端音频回声消除,回声消除尾音长度最长 512ms ;
●具备吊麦自动增益功能;
●具备自动压限功能,防止过载失真;
●具备开关机自动延时管理功能,保护设备受冲击损坏。
方案组成:
APP1821互动录播音频处理器 1台
MC710B 吊麦 2-8支
TPM910T三模合一高品质无线教学话筒 1支
TPM910A三模合一无线教学有源音箱 1套
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