Research On Two-dimensional Barcode Voice Reading Device Based On ARM-Embedded Technology

With the development of information technology, identification technology and communication technology, Two-dimensional barcode technology have been matured. Without the support of the database and network,the Two-dimensional barcode can identifies the product independent all of the storage and the information. With the further development of things, Two-dimensional barcode carrier has been widely used as the unique information,The voice started to become two-dimensional barcode technology is also a way of access to information in this trend.Speech synthesis (TTS, Text To Speech) is to let the computer "speak" in a technology as the form of text files to audio output. This article attempts to TTS technology is embedded into two-dimensional barcode equipment, by voice in the form of barcode information to complete the acquisition aid. But also to overcome the display of visual literacy and other factors caused inconvenience to expand the use of barcode equipment occasions.Speech synthesis technology and barcode technology can be widely used in production, logistics, customs and other fields combined with other technologies. The barcode device to capture text messages, through the TTS technology, text flow information synthesized speech through the audio circuit to broadcast real-time two-dimensional bar code capabilities.This two-dimensional barcode and the first TTS technology status and prospects were reviewed, and then two-dimensional barcode, TTS principle and analysis are introduced in detail, and gives the two-dimensional barcode reading system design for speech programs; in the analysis function of each module based on the principle, complete the corresponding circuit design and the overall system circuit board production. In terms of software, to complete a real-timeμC/OS-II operating system on ARM processor on the transplant, and on this basis, developed the software of each task; TTS voice communications protocol for the completion of the bar code data collection, and to receive information protocol analysis and voice data processing, to achieve a two-dimensional bar code data from the text to voice conversion.Finally, the system were carried out detailed testing and the overall test function modules, and gives the test results. After testing, the system can achieve two-dimensional barcode information voice broadcast, and is suitable for the application of a variety of occasions with great prospects.