#Kids mp3 player install
You can install the packages listed in Table 2.We use cookies and similar tools that are necessary to enable you to make purchases, to enhance your shopping experiences and to provide our services, as detailed in our Cookie Notice.
#Kids mp3 player software
You will find the software you need for the player in the Debian repositories, and you can install as necessary via the package manager. The operating system for this project, Raspbian, comes with good instructions and is very easy to install. The smaller the resolution, the faster the Rasp Pi can process the pictures.
As a result, I used configuration parameters to reduce the resolution of the camera. The Microsoft LifeCam HD that I used for my prototype delivers too many pixels and makes the recognition process correspondingly more time consuming. For example, you can find the Logitech C170 on eBay for around US$ 10. Unfortunately, this remote is not available in the US, although the Sony RM-KZ1 is similar and also is easy to program. Before choosing a remote, be sure it works with LIRC. After testing various remotes, I chose the Seki Slim, which has only six buttons but is nonetheless easy to program. In view of the nature of the "user group," it is a good idea for the remote control to have as few buttons as possible. When building the prototype, a compact IgorPlug USB worked for me as soon as I plugged it into the Rasp Pi, whereas the receiver in Table 1 was priced through Adafruit and works only with its matching remote. The IR receiver needs to be LIRC (Linux infrared remote control) compatible that is, the IR signals can be decoded by the lircd daemon. Table 1 summarizes the necessary parts and their approximate costs you might already have one or more of these items that you can reuse to build the player. When starting out, it will only be necessary to recognize QR codes. (Figure 1 provides an overview of the components required.) The webcam is used to recognize album covers. Additionally, you need a simplified remote control and an infrared receiver. If the audio files are not directly available on an SD card, you will need a network connection. All you need is the mini PC, a speaker, and a power supply. Playing music with the Raspberry Pi works extremely well. So, for instance, something like "YEH!" could play if the software recognizes the album cover, or a burp if the image recognition process fails to work. Instead, how simple would it be if a child only needs to say, "Play The Lorax" out loud? Even better, wouldn't it be cool if little children could simply hold an album cover in front of the music player and the recording would immediately start playing – even if something else were already playing?įor feedback, instead of cryptic pieces of text appearing on a screen, fun acoustic messages should provide the user with information about whether an activity has been successful or whether it has gone wrong.
In the case at hand, the designer looks at possible systems that don't involve a media device that requires navigating through menus or pressing ill-defined, multimodal buttons. Therefore, it was necessary to find a new user concept.ĭuring the "What if?" phase, the designer has complete freedom to imagine how an ideal solution would look. With the help of the "users" in the playroom, it was easy to identify the problems: Cassettes turn into tangled bundles of tape, CDs get scratched up and misplaced, and the user interface of MP3 players is too challenging. What is the problem? What would happen if? What produces a wow effect? What works? Essentially, the methodology consists of working through four questions. This particular problem presents an opportunity to experiment with Design Thinking, which embodies a method of solving problems through innovation. Luckily, a nifty child-friendly music player put together using a Raspberry Pi and a webcam makes for hours of problem-free listening pleasure. Grabbing a disc a few too many times can scratch and ruin it. The CDs themselves are much less resilient to breakage. Small children often listen to music and audio books with a childproof CD player made out of tough plastic.
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