51 Research and Design, Electronic Engineers website - Embedded Systems, MCU, DSP, EDA, Test and Measurement, Components, Communications, Power, Microelectronics, Semiconductors

Friday, November 28th, 2008 at 22:22 | No comments

Categories: SCM

Tags: Embedded, Linux, microprocessor, MPEG-4, video frequency

Short Content: [abstract] The article introduced hardware platform and Linux the software platform's MPEG-4 video frequency videocorder's design and realized based on embedded ARM9 the microprocessor EP9315, discussed the overall principle and the construction, the hardware core module design and the Linux device driver and the application procedure design. [key word] ARM EP9315 IME6400 MPEG-4 the Linux equipment actuates [Abstract] In this paper, designing and implementing a digital video recorder which is based on the processor ARM9 hardware series EP9315 and ...

Friday, November 7th, 2008 at 05:29 | No comments

Categories: DSP

Tags: DSP, MPEG-4, PCI board card, The TMS320DM642, video frequency gathers

Short Content: Abstract: In view of constructed high stable, the high robust multimedia digital supervision system design and realizes one section the digital signal processor's four group real-time MPEG-4 video frequency to gather the concurrently compression based on TMS320DM642 to process the PCI board card. Introduces TMS320DM642 in detail the hardware construction, the board card hardware constitution and nucleus module realization, in the analysis board card design difficulty and the key technologies. The experimental result indicated that this board card in does ...

Saturday, November 1st, 2008 at 21:09 | No comments

Categories: DSP

Tags: ADSP-BF533, encoder, MPEG-4

Short Content: Introduction 　　The MPEG-4 video frequency coding technique may transmit the high grade video data under the small band width, saves the massive storage space, but the code order of complexity is also high, at present abundant must have 3 kinds to realize the plan: Programs on general PC realizes; Realizes as well as the use general DSP chip through the ASIC hardware realizes. Compares with first both, the general DSP chip realizes the plan to have the following superiority: Operation ...

Saturday, November 1st, 2008 at 15:02 | No comments

Categories: DSP

Tags: DSP, MPEG-4, sound video frequency

Short Content: Abstract: Arranged the decoding technology based on the MPEG-4 video frequency already to become the current multimedia technologies development the hot spot. This article proposed one kind as core MPEG-4 arranges the decoding system take multi-DSP, and designed the concrete hardware platform plan.Key word: DSP; MPEG-4; Sound video frequencyIntroduction     Along with Internet's swift development, the expense class electron, the telecine broadcast, the computer technology to unify closely day by day. The people no longer satisfy only use the simple ...

Thursday, October 30th, 2008 at 17:23 | No comments

Categories: Communication Networks

Tags: DirectShow, MPEG-4, video frequency

Short Content: Abstract this article introduced simply the DirectShow technology, studied has realized video frequency gathering, the compression and the network transmission technology using DirectShow. And the codec encoder-decoder which provides using the third party has realized the MPEG-4 video data network transmission system, carries on the video data transmission in this system using the RTP agreement, simultaneously has realized the far-end frame rate control.Key word video frequency; Gathering; Compression; DirectShow; MPEG-4, RTP1 introduction    In recent years, along with national economy's development, ...

Monday, October 27th, 2008 at 07:10 | No comments

Categories: Communication Networks

Tags: MPEG-4, multimedia transmissions, video frequency coding technique

Short Content: Abstract: This article introduced in detail the MPEG-4 video frequency code's major technique and the function and the characteristic, and proposed one based on this standard based on the Internet network multimedia communications system's design proposal. 2. various modules function and realizes    (1) multimedia information processing module　　It mainly based on the MPEG-4 standard, carries on the varying degree according to the different application request to the video frequency and the audio frequency digital signal the compression/solution compression.    1) video frequency/tonic train ...

Saturday, September 6th, 2008 at 02:02 | No comments

Categories: EDA/PLD

Tags: decoder, encoder, MPEG-4, video frequency

Short Content:     Whether you once did want to use the advanced video compression technology in yours FPGA design, actually discovered that realizes extremely complex? Now you do not need into a video frequency expert to be able to use the video compression in yours system. The match spirit thinks of the MPEG-4 encoder/decoder endorse which promotes newly to help you to meet the video compression need.      The video frequency and the multimedia systems become day by day complex, therefore whether ...