Dolby Digital Plus
Audio that completes the high-definition picture.
Dolby® Digital Plus is the next-generation audio technology for all high-definition programming and media. It combines the efficiency to meet future broadcast demands with the power and flexibility to realize the full audio potential of the upcoming high-definition experience. Built on Dolby Digital, the multichannel audio standard for DVD and HD broadcasts worldwide, Dolby Digital Plus was designed for the delivery formats of the future, but remains fully compatible with all current A/V receivers. With Dolby Digital Plus, you get even higher quality audio, more channels, and greater flexibility. Amaze your ears.
Features
- Multichannel sound with discrete channel output.
- Channel and program extensions can carry multichannel audio programs of up to 7.1 channels* and support multiple programs in a single encoded bitstream.
- Outputs a Dolby Digital bitstream for playback on existing Dolby Digital systems.
- Supports data rates as high as 6 Mbps.
- Bit rate performance of at least 3 Mbps on HD DVD and up to 1.7 Mbps on Blu-ray Disc.
- Accurately reproduces what the director and producer intended.
- Interactive mixing and streaming capability in advanced systems.
- Supported by HDMI™, the new single-cable digital connection for high-definition audio and video.
Benefits
- Can deliver 7.1 channels and beyond* of enhanced-quality audio at up to 6 Mbps.
- Allows multiple languages to be carried in a single bitstream.
- Offers audio professionals new creative power and freedom.
- Compatible with the millions of home entertainment systems equipped with Dolby Digital.
- No latency or loss of quality in the conversion process.
- Maintains high quality at more efficient broadcast bit rates (200 kbps for 5.1-channel audio).
- Selected by the Advanced Television Systems Committee (ATSC) as the standard for future broadcast applications; named as an option by the Digital Video Broadcasting (DVB) Project for satellite and cable TV.
- Selected as the mandatory audio format for HD DVD and as an optional audio format for the Blu-ray Disc.
Whether you own an older audio/video (A/V) system equipped with Dolby® Digital, or a newer A/V receiver equipped with an HDMI™ connection or external line-level multichannel inputs, you are assured of a compatible, high-quality playback path.
MIPS Technologies and Dolby Laboratories have collaborated to provide a rapid and low-risk methodology for deploying the latest Dolby Digital Plus technology to the set-top box and HD DVD/Blu-ray Disc™ markets.
*Dolby Digital Plus can support more than eight audio channels. HD DVD and Blu-ray Disc standards currently limit their maximum number of audio channels to eight.