Dynamic commodity risk indexing

List of the table of contents of this article:

• 1,Dynamic commodity risk indexingWhat's good about the background music system in the mall
• 2, How to embed background music into PPT files?
• 3, How to make one with musicPicture
• 4, How to wire the intelligent background music host?

What is the good background music system of the mall

1. If your family is a store, you can try Lava store music, which should greatly improve the customer praise rate and return rate.

2. Create an atmosphere that matches the shopping environment. Generally, music with relatively loud and high emotions is played in the store, which can boost people's mood and has the effect of promoting customers' desire to consume.

3. In order to make customers have some happy mood and desire to buy, I think these are some better ideas. In the choice of background music, you must choose some elegant piano songs. Of course, this is more practical in some shopping malls.

How to embed background music into PPT files?

1. Solution: Install MP3AddIn, a free plug-in, to realize that MP3 files are directly embedded in PPT documents. Mp3 embedding ppt Install MP3AddIn plug-in: Preparation: The PowerPoint system only allows embedding wav music files of less than 100KB by default.

2. Open the PPT that needs to be inserted into the audio file. Click the insert button in the menu bar, then click the audio button, select and click the embed background music button. Find the audio file we need to add in the pop-up window, select it and click the open button in the lower right corner. Download the music to be inserted in QQ Music first, as shown in the figure below.

3. Open the PPT document and find the "Audio" button in the "Insert" tab.Select "Audio File" in the pop-up menu, then browse and select the background music file you want to add. After the insertion is completed, it will automatically jump to the "Format" tab.

How to make pictures with music

1. In the clipping interface, click to start creating. 2 Click to add a picture! --2 Step 2 Click to add a picture with the first step, the second step Style -- In the picture selection interface, click to add a picture.

2. Download the photo editing app. After clicking the music album function, you can select the photos you need to make into videos in the mobile phone album. More than a dozen, twenty or thirty photos can be added at will. After selecting the photos, you can click "Start Production".

3. With music for photos, you can open the clip and click to start creating, click audio, and click export. The production of photos with music requires the help of video editing software to integrate pictures and music to produce videos with emotion and rhythm.

4. Method/Steps Import all your photos into the Digital Master: Click "Add Photos" to import all your photos. If you want to change the playback order of the photos, just drag the photos directly by holding down the left mouse button.

How to wire the intelligent background music host?

1. Audio interface installation The audio interface has three terminals: R, L and GND, which are connected with black audio cable, red connection R, blue connection L, and the shielding wire is stwisted together to connect GND.

2. Use the network cable to wire. According to the query, the display has been modified by China Machinery Network. First of all, connect the alarm output interface on the Taihe'an host with 4 of the 8 rui network cable. Secondly, use another 4 network cables to connect the common terminal on the Taihe'an host. Then connect the power adapter and plug it into the 220-volt power supply.

3. Connect the left channel output port of the sound source device to the left channel input port of the audio host, generally connected with a red wire. Connect the right-channel output port of the sound source device to the right-channel input port of the audio host, generally connected with a white wire.