Convert EAC3 to M4B Audiobook

EAC3 to M4B Converter converts EAC3 files to M4B audiobook. The software is an ALL-IN-ONE audio converter that supports more than 110 audio and video files.

EAC3 to M4B Converter supports batch conversion and is full compatible with Windows 10/8/7/Vista/XP/2000.

1. Free Download EAC3 to M4B Converter and then install the software by instructions
2. Launch EAC3 to M4B Converter
3. Choose EAC3 Files


Click on "Add Files" button to choose EAC3 files and add them to conversion list.


Choose one or more EAC3 files you want to convert and then click Open.


4. Choose "to M4B"




5. Convert EAC3 to M4B Audiobook


Click on button "Convert" to convert EAC3 files to M4B audiobook.


Alternatively, you could click "Convert to One" to convert and combine/join/merge multiple EAC3 files to one M4B audiobook.


The software is converting EAC3 files to M4B audiobook.


6. Play and Browse M4B Audiobook


Right-click converted M4B audiobook and choose "Play Destination" to play the outputted M4B audiobook, choose "Browse Destination Folder" to open Windows Explorer to browse the M4B audiobook.


7. Done

Free Download EAC3 to M4B Converter

What is EAC3?
Dolby Digital Plus (DD+ or E-AC-3 (Enhanced AC-3), and sometimes incorrectly as EC-3) is a digital audio compression scheme. It is an incompatible[1] development of the technologies used in the earlier Dolby Digital system. E-AC-3 has a number of improvements aimed at increasing quality at a given bitrate compared with legacy Dolby Digital (AC-3). While legacy AC-3 supports up to 5 full-range audio channels at a coded bitrate of 0.640 Mbit/s, E-AC-3 supports up to 13 full range audio channels at a coded bitrate of 6.144 Mbit/s peak.

Dolby Digital Plus bitstreams are not backward compatible with legacy Dolby Digital decoders, and decoders that output audio over legacy S/PDIF connections must transcode the bitstreams to an older format such as PCM, AC-3, or DTS.

The codec used by Dolby Digital Plus is based on the original Dolby Digital codec, but with several enhancements to improve coding efficiency:

• Transient pre-noise processing - to reduce "pre-noise" artifacts before sharp transients.
• Enhanced channel coupling - which maintains phase relationships between channels, and improves performance of matrix decoders.
• Adaptive hybrid transform processing - an improved bit allocation and quantization algorithm.

Dolby claims that these changes can result in bitrate improvements of up to 50% while still allowing for the signal to be efficiently converted to Dolby Digital for backwards compatibility.

What is M4B?
Audiobook file based on the MPEG-4 container format; typically compressed with .AAC encoding; nearly identical to a .M4A file, but denoted as an audiobook and can be "bookmarked" by supporting audio players such as iTunes and iPod.

The M4B extension is used by audiobooks downloaded from the Apple iTunes store; these audiobooks may be copy-protected using Apple's FairPlay DRM, which means they can only be played on authorized computers or iPods.

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