QL202B
H.264 Main Profile Video/Audio codec SoC

Overview

The QL202B is the newest, low power, high video quality H.264 Main Profile audio and video compression/de-compression SoC, ideally suited for networked video streaming applications.  

• The QL202B’s advanced video compression algorithms result in products supporting the best balance of superior video quality, low power consumption required in mobile devices for enhanced battery life, and affordability for the mass market consumer.
• The QL202B, with a number of dedicated hardware blocks, has rich video features allowing support for multiple standard video formats, enhanced video effects, and customizable options. The on-chip audio codec is based on a dedicated ARC DSP to support multiple standard audio formats.
• The QL202B provides multiple external interfaces to support key applications, minimizing system level cost and components, and maximizing design flexibility.

Key Features

Superior Video Quality

• H.264 Baseline and Main Profile codec
• Supports full D1 @ 30fps
• Advanced algorithms enable superior video quality in a small die size for competitive pricing

Mobile Focus = Extended Playback

• Innovative power management
• Advanced standby power savings
• MDDR Support
• 200mW typical (with MDDR)

Comprehensive Video Feature Set

• Advanced pre-processing such as scene change and motion detection
• Advanced encoder processing
• Entropy coding (CAVLC/CABAC support)
• User selectable GOP structure
• Optimized single-pass VBR and CBR encoding
• Video input and output scaling
• Full screen OSD with flicker filter and preview

Flexible Audio CODEC

• Dedicated ARC Sound DSP
• 8k, 32k, 44.1k, 48k sampling rate
• DSP architecture adds additional audio formats simply by changing firmware

Dual-Mode Operation

• Supports both companion and stand-alone modes
• On-board ARM9 processor, reduces system components and cost
• Highly integrated, single-chip IP video streamer solution

Network Abstraction Layer

• MPEG Transport and Program Streams
• Elementary audio only and video only streams
• Apple Quicktime

Numerous Interfaces & Protocols

• Integrated 10/100 Base-T Ethernet MAC
• IEEE 802.3 compliant Media Independent Interface (MII)
• I2S Digital Audio and BT.656 Digital Video
• I²C protocol
• 16-bit DDR-1 and Mobile DDR memory support
• UART and GPIO

Key Application Targets

The QL202B is a highly integrated, fully flexible SoC supporting industry standard interfaces & protocols, enabling cost-effective networked video products.

The QL202B SoC leverages the QL200 family architecture, with the additional of the ARM9 microprocessor in master mode, allowing the QL202B to operate as a single chip solution without the need for an external microprocessor, reducing overall system cost.

Using the QL202B development kit, customers can quickly get to production, whether they implement the QL202B with a standard or customized feature set targeted for their applications. The QL202B supports industry standard Operating Systems such as Linux, facilitating the porting of common user applications and software stacks.

With its integrated 10/100 Ethernet MAC, the QL202B in stand-alone (or master) mode offers a highly optimized, single chip IP Cast or IP video streaming solution for such applications as:

• IP surveillance cameras for home security or remote monitoring
• Place-shifting set-top boxes for streaming video to a different location
• Home A/V digital media server