Smart home background music controller functions and parameters

The background music controller generally refers to devices that effectively control the background music speakers, and has functions of controlling the volume, track selection, and power on/off functions, and some of them can also perform functions such as video playback, e-books, radio and digital recording. . The background music controller is generally divided into two categories: central control and split control. The central control is more expensive and needs to be wired from the back music controller to the controlled speaker room. Split control is cheaper than wireless networking. , Only indoor wiring, easy operation and use. Early use of central control now basically uses split control. The following describes the split-control background music controller produced by Yi Jia Yin Technology =I Co., Ltd.

(1) Main functions

Yijiayin JY-108 and JY-118 background music controllers have the following main functions.

1) High transparency high hardness crystal panel and digital full color, high brightness 4.3in TFT display.

2) Supports MP3, WIVIA, DRM WMA, OGG, APE, FI. AC, WAV, and AAC audio formats.

3) Support RM. RMVB. AVI LVIKV.Y., VOB. MOV. FLV ASF, DAT, MP4, 3GP, MPG and MPEG video formats, 720P full-stream video without conversion, direct playback, H.264 HP high bit rate Smooth decoding.

4) Support 720P color difference component high-definition output, output can connect high-definition television.

5) Support JPEG, BlvIP, GIF, PNG and TIF format picture browsing, with electronic photo frame function.

6) Supports 8 kinds of audio functions including natural, pop, classical, soft, jazz, rock, bass and user EQ.

7) Support software upgrade function, also can achieve SD card for firmware upgrade.

8) Built-in full digital FM radio can store 20 stations.

9) Two public sources (wiring input) and four local sound sources (built-in FM+external SD card + USB+Bluetooth device) can be selected.

10) The audio source on this product can be output to other split music controllers for music sharing.

11) With memory card function, support 32GB externally inserted SD card. You can also connect a USB flash drive via the USB interface.

12) With time display, support for clock and calendar functions.

13) has a variety of loop playback modes, such as sequence, loop, loop all, random, random ten repeat and browse.

14) With a regular boot function, can be three-step timing boot, user-friendly operation, can be set to play any time beforehand, Monday to Sunday (arbitrary settings) or daily, set the timing boot volume soft start, set the timing boot play audio source optional FM playback, USB playback, and SD card playback.

15) With the function of timing shutdown, it can be turned off at any time at any time.

16) It has 30 electronic volume adjustment and 10 electronic bass and bass adjustment functions.

17) With power off memory function, it can memorize the state before the last shutdown.

18) With infrared remote control function, providing a variety of shortcut keys and user-friendly operation, support remote digital quick selection.

19) With Bluetooth, support external Bluetooth devices such as mobile phones to achieve audio playback, you can also control the playback of mobile music in both directions.

20) With text reading function, support TXT, JAR format text reading.

(2) Main technical parameters

The main technical parameters of the Yijiayin JY-108 and JY-118 background music controllers are as follows.

1) Power supply: AC 110-220V 50Hz.

2) Output power: 30W+30W.

3) Input impedance: 47kΩ.

4) Output impedance: 8Ω.

5) Total harmonic distortion: 0.03%.

6) Signal to noise ratio: 98dB.

7) Frequency response: 20Hz to 20kHz.

8) FM radio reception frequency range: 87-108MHz.

9) Infrared remote control distance: ≤ 13m.

10) Product size: 172mmX 86mmX 50mm (length X width X thickness).