What Is Dolby Digital
What Is Dolby Digital Decoder
Dolby Digital Plus logo Dolby Digital Plus, also known as Enhanced AC-3 (and commonly abbreviated as DD+ or E-AC-3, or EC-3) is a developed by for transport and storage of multi-channel digital audio. It is a successor to (AC-3), also developed by Dolby, and has a number of improvements including support for a wider range of data rates (32 Kbit/s to 6144 Kbit/s), increased channel count and multi-program support (via substreams), and additional tools (algorithms) for representing compressed data and counteracting artifacts. While Dolby Digital (AC-3) supports up to 5 full-bandwidth at a maximum bitrate of 640 Kbit/s, E-AC-3 supports up to 15 full-bandwidth audio channels at a maximum bitrate of 6.144. The full set of technical specifications for E-AC-3 (and AC-3) are standardized and published in Annex E of A/52:2012, as well as Annex E of TS 102 366 V1.2.1 (2008–08), published by the. Contents • • • • • • • • • • • • • • • • • • • • • • Technical details [ ] Specifications [ ] Dolby Digital Plus is capable of the following: • Coded Bitrate: 0.032 to 6.144 Mbit/s • Audio Channels: 1.0 to 13.1 (i.e. From mono to 13 full range channels and a low frequency effects channel) • Number of Audio Programs per bitstream: 8 • Sample Rate: 32, 44.1 or 48 kHz • Bit Depth: up to 24 bits per channel.