The Wireless LAN SD Standard The Wireless LAN SD standard was developed as a new SD standard to enable devices mounted with IEEE 802.11 (a/b/g/n) to perform wireless communications between home networks, SNS and cloud services, and SD memory cards. The Wireless LAN SD standard is the first iSDIO standard that integrates normal SD memory… Read more »

The TransferJet SD Standard The TransferJet SD standard was developed as a new SD standard for high-speed P2P data communications between two devices mounted with the TransferJet high-speed close-proximity wireless technology. This enables devices mounted with TransferJet SD memory cards to transfer large volumes of data to other devices within a short period of time… Read more »

History of SDIO Standardization SDIO was introduce in 2001 and it played a role of increasing SD host devices. SDA defined several SDIO Standard Functions Cards such as Bluetooth®, GPS, Camera, etc. SDIO is gradually utilized to connect I/O devices as embedded by using multiple devices connection feature on an SD bus. SDIO Interface became… Read more »

SD-Video (CPRM Optional) Standards Make Video More Portable SD-Video specifies the audio and video codecs and file format that allows users to view video on a multitude of consumer electronics built to SD standards. Unlike SD-Audio, use of CPRM is optional. Users can even record digital broadcasts onto their mobile phones and other devices. Users… Read more »

SD Separate Delivery (CPRM Mandatory) SD Separate Delivery (SD-SD) enables flexible distribution to manage a variety of content while protecting copyrights. In the SD-SD, the content key and content data can be treated separately. SD-SD supports the following distribution schemes. Writing data at kiosk terminals Pre-loaded content Download and recording Key download The SD memory… Read more »

SD-SD eBook (CPRM Mandatory) Valuable eBook application on SD memory card The eBook application increases the value of SD-slotted mobile phones, tablets and other display devices. Publishers and readers alike will benefit from full-color, illustration-intensive books like graphic novels. Furthermore, SD-Separate Delivery provides flexible eBook content distribution models including pre-loaded SD memory card and key… Read more »

SD-Binding (CPRM Mandatory) SD-Binding ties downloads of digital content directly and exclusively to an authorized carrier device or devices for a specific service. Only authorized devices may play back content to prevent unauthorized duplication and distribution. Users need to use CPRM compliant SD memory cards for using SD-Binding. SD-Binding Example #1: Device bind SD-Binding Example… Read more »

SD-Audio(CPRM Mandatory) SD-Audio provides the codecs and file format necessary to transfer, store or download audio files on mobile phones and other devices. The data is secured by CPRM, the built in copyright protection function of SD standards. Users need to use CPRM compliant SD memory cards. SD-Audio supports the widely used AAC, HE-AAC, WMA… Read more »

SD Application Specifications Formats Standards Ensure Ease of Use SD application specifications are designed so SD devices can communicate with each other if they use the same format. Audio SD-Audio Audio: AAC, AAC+SBR, WMA, MP3 SD-Sound MIDI:SMF SD-Voice Voice: G.726, AMR Video SD-Picture Still image: JPEG (eXif/DCF spec.) SD-Image Still image: JPEG(eXif/JFIF), BMP, GIF, PNG… Read more »

Low Voltage Signaling – Another new SD 6.0 specification feature Silicon foundries have been fine-tuning system on a chip (SOC) integrated circuit technology for use in devices such as smartphones, with recent progress pushing the powerful chips to the 7-10 nanometer range. These SOC developments will enable smartphones to offer higher performance with less power… Read more »