Traditional Culture Encyclopedia - Photography and portraiture - What is the use of DPF format?

What is the use of DPF format?

DPF dpf=Digital Photo Frame Digital Photo Frame

(1) Digital photo frame is a photo frame that displays digital photos instead of paper photos. Digital photography will inevitably promote the development of digital photo frames, because less than 35% of digital photos are printed in the world. Digital photo frames usually plug directly into the camera's memory card to display photos. Of course, more digital photo frames will provide internal storage space to connect to external memory cards.

(2) A digital photo frame is a photo frame, but it is no longer displayed by placing photos in it, but is displayed on an LCD screen, which can be obtained from the SD card through the card reader interface. Photos can be displayed in a loop, which is more flexible than ordinary photo frames. It also gives a new display space to the increasingly used digital photos.

In short, a digital photo frame is a dedicated device for viewing and sharing digital photos.

2. How many types of digital photo frames are there?

Digital photo frames can generally be divided into three categories:

1 Simple function digital photo frame (can only display pictures in jpeg format)

2 Simple multimedia digital photo frame ( It can also play music and videos)

3 Advanced multimedia digital photo frames (usually support wireless 802.11 connections and can download pictures from websites or even emails)

Most digital photo frames feature slideshows (usually with the function of adjusting time intervals). Some digital photo frames can also play camera video formats such as MPG movie clips or MP3 audio files.

3. What are the main components of a digital photo frame?

The digital photo frame consists of three major components: LCD screen, PCB circuit board and outer frame. LCD screens can be either analog or digital, and they are distinguished by size. The PCB circuit board is the core of the digital photo frame because it contains the necessary software. The outer frame is an important criterion for the end user. The outer frame is usually made of plastic or wood, and some digital photo frames offer replaceable outer frames.

4. What are the uses of digital photo frames?

Digital photo frames are fashionable electronic consumer products and essential home decorations. Inheriting the fashion of digital and the warmth of photo frames, it has a wide range of uses. For example, it can be used as business gifts, holiday gifts, souvenirs, exhibition displays, welfare prizes, modern furniture, wedding photography, car mounts, digital photography equipment, portable personalized accessories, etc. As digital photo frames become more popular, more and more interesting creative applications will surely appear, bringing endless fun to our ordinary lives.

It can be used as an exquisite art frame and photo frame, placed on the counter table, or hung on the wall as a mural. It can also be used as a dynamic and static advertising machine

·Suitable for families and various elegant places such as shopping malls, hotels, hotels, leisure centers, bars, cafes, corridors, etc.

·No need to use a computer, no need to develop and print, digital photos can be stored in the digital photo frame Display

·Easy to use, just take out the memory card from the digital camera and insert it into the digital photo frame to browse

·The digital photo frame can not only play pictures, but also play pictures while listening to MP3 , enjoy movies, etc.

Digital photo frame, also called digital photo frame, its basic principle: the appearance adopts the shape of an ordinary photo frame, and the photo part in the middle of the original photo frame is replaced with an LCD display, coupled with a power supply and storage media etc., it can directly play digital photos, so that photos can be played repeatedly in the same photo frame, which has more advantages than the single function of ordinary photo frames.

The digital photo frame has three core components: processor, semiconductor memory and LCD display unit.

Traditional photo frames can hold up to two photos before and after. Some newly married couples want to display more of their photos in the new house. Now, digital photo frames that can hold thousands of digital photos have become popular.

The Year of the Golden Pig is here, and many happy couples choose to get married with their beloved at this time. There are also many married people taking advantage of the Year of the Golden Pig to play a golden piglet, with wedding dresses, rings, churches, flowers, cakes, wine, ribbons, smiles, moved tears, and listening to the wedding march played for themselves. It all coalesced into the happiest moment of my life. When you walk into the church hand in hand, when he puts on a diamond ring for you, when you kiss passionately, when the flowers bloom and ribbons fly, when the little golden pig is born, I believe no one wants to forget those wonderful moments, so the photos It became a record of love. But have you ever thought that just these photos can recreate your wedding? Let the digital photo frame give you a "good look".

General photo frames can only hold one photo, and some can hold one photo on the front and back respectively. For newly married ladies, traditional photo frames can hold too few photos. Generally, people who have just gotten married will take more than a dozen seven-inch wedding photos, but they just have trouble putting them into one photo frame at the same time. But things are different now. There is something called a "digital photo frame".

It turns out that a photo frame can only hold one photo, and at most two photos in front and back. However, digital photo frames are relatively new and not much more expensive than traditional photo frames. They are more suitable for newlywed families who need to add atmosphere to their newlywed home decoration.

In terms of price, some are cheaper, only 40 to 50 yuan, as follows:

Function introduction:

Screen size 1.5 inches (cstn)

Color: 65K

Display resolution: 128RGB × 128DOT

Memory: 8Mbit (Norflash)

Number of pictures stored: 70, and can Slide show playback

Power supply: two AAA batteries

Supported formats: BMP\GIF\JPG\TIF

Support time, calendar display, alarm clock function< /p>

Support delayed automatic shutdown

No CD installation required (WIN2000\XP, VISTA), when connected to PC,

No CD installation required, automatic driver installation And run the automatic time synchronization function of the image processing auxiliary program

When connected to the computer,

can automatically synchronize to the computer's time

Inner frame size: 3.6 ×4.5cm

Frame size: 5.6×7.8cm

Product volume: 57× 52 ×15.8mm

Packaging accessories: gift box, USB cable, CD, manual!

Some of the expensive ones are thousands of dollars, as follows:

15-inch digital photo frame/photo frame

Material: tempered glass

Function Introduction:

1.15-inch TFT LCD display, full-function remote control operation.

2. CF card slot, SD card slot and five-in-one card reading function, supporting CF, SM, SD, MS, MMC and other memory cards. 3. Video playback supports MPEG1 (VCDSVCD), MPEG2 ( DVD), MPEG4 (DIVX, AVI) format

4. Audio playback supports MP3/WMA format, and image browsing supports JPEG format

5. Stereo audio output.

6. Supports 1.1 USB or 2.0 USB interface, and can be connected to an external computer, hard disk, or U disk.

7. Support picture browsing function with background music.

8. Multiple language options such as Chinese and English

The difference between LCD digital screen and analog screen will not be discussed here. As a user of digital photo frame, you should consider it. Their performance differences are as follows:

1. Digital screens use digital signals in the entire image processing process, without distortion, and are used in high-fidelity situations; while analog screens use digital signals in part of the drive circuit. Analog signals will have losses during the signal transmission and conversion process, and there will be signal-to-noise ratio problems, so they are generally only used in situations where the display effect and stability are not high.

2. The digital screen is a high-definition signal with progressive scanning, while the analog screen is an ordinary video signal with interlaced scanning. For example, for a 7" analog screen digital photo frame, corresponding to the NTSC television signal, each frame contains 525 scanning lines. If the reverse scanning is removed, 480 lines are effectively displayed. Since it is interlaced scanning, each field only contains 240 scanning lines. Due to Due to the system design, only 234 of them were used when it was used as an analog screen. The Philips digital photo frame uses a 7" digital screen. Each frame is one field and each field has 480 lines, which can perfectly reproduce the exquisite details of the image.

3. The digital screen is suitable for displaying both dynamic pictures and static pictures perfectly. When the early analog screens were used to display static pictures (digital photos), they would feel jittery and flickering. In fact, they were only suitable for displaying dynamic images such as televisions. However, with the advancement of technology, some analog screens can now display static pictures at a level close to that of digital screens. Consumers should pay attention to the quality of the differentiated screens when actually purchasing products.

4. In terms of price, of course the analog screen is cheaper. But in terms of quality, the digital screen is naturally better.

4. Digital photo frame brands

A good digital photo frame brand is a guarantee of quality.

Domestic brand: Patriot, Polaroid, Jade Beauty

International brand: Samsung, Philips, Sony

Generally speaking, domestic brands are low in price. Say, fully functional. The quality of international brands is more guaranteed, but the price is naturally high.