Convert DRC to M4A

DRC to M4A Converter converts DRC files to M4A. The software is an ALL-IN-ONE audio converter that supports more than 110 audio and video files.

DRC to M4A Converter supports batch conversion and is full compatible with Windows 10/8/7/Vista/XP/2000.

1. Free Download DRC to M4A Converter and then install the software by instructions
2. Launch DRC to M4A Converter
3. Choose DRC Files


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


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


4. Choose "to M4A"




5. Convert DRC to M4A


Click on button "Convert" to convert DRC files to M4A format.


Alternatively, you could click "Convert to One" to convert and combine/join/merge multiple DRC files to one M4A.


The software is converting DRC files to M4A format.


6. Play & Browse


Right-click converted item and choose "Play Destination" to play the destination file, choose "Browse Destination Folder" to open Windows Explorer to browse the destination file.


7. Done

Free Download DRC to M4A Converter

What is DRC?
Dirac Video. Dirac is an open and royalty-free video compression format, specification and system developed by BBC Research at the BBC. Schrodinger and dirac-research (formerly just called 'Dirac') are open and royalty-free software implementations (video codecs) of Dirac. Dirac format aims to provide high-quality video compression from web video up to ultra HD and beyond, and as such competes with existing formats such as H.264 and VC-1.

The specification was finalised on 21 January 2008, and further developments will only be bug fixes and constraints. In September of that year version 1.0.0 of the reference implementation was released which corresponds to an intra-frame only subset known as Dirac Pro, which has been proposed to the SMPTE for standardisation as VC-2. Version 2.2.3 of the full Dirac specification, including motion compensation and inter-frame coding, was issued a few days later. Dirac Pro was used internally by the BBC to transmit HDTV pictures at the Beijing Olympics in 2008.

The format implementations are named in honour of the theoretical physicists Paul Dirac and Erwin Schrodinger, who shared the 1933 Nobel Prize in physics.

Dirac supports resolutions up to HDTV (1920x1080) and greater and is claimed to provide significant savings in data rate and improvements in quality over video compression formats such as MPEG-2 Part 2, MPEG-4 Part 2 and its competitors, e.g. Theora, and WMV. Dirac's implementers make the preliminary claim of "a two-fold reduction in bit rate over MPEG-2 for high definition video", which makes it comparable to the latest generation standards such as H.264/MPEG-4 AVC and VC-1.

Dirac supports both constant bit rate and variable bit rate operation. When the low delay syntax is used, the bit rate will be constant for each area (Dirac slice) in a picture to ensure constant latency. Dirac supports lossy and lossless compression modes.

Dirac employs wavelet compression, instead of the discrete cosine transforms used in most older compression formats. Dirac is one of several projects attempting to apply wavelets to video compression. Others include Rududu, Snow, RedCode and Tarkin. Wavelet compression is also used in the JPEG 2000 and PGF compression standards for photographic images.

Dirac can be used in various container formats (e.g., AVI, Ogg, MKV). It was registered for the use in container formats based on the ISO base media file format (MPEG-4 Part 12; e.g., MP4). It was also registered for use in MPEG-2 transport stream.

What is M4A?
M4A stands for MPEG 4 Audio. Since MPEG-4 Part 14 is a container format, MPEG-4 files may contain any number of audio, video, and even subtitle streams, making it impossible to determine the type of streams in an MPEG-4 file based on its filename extension alone. In response, Apple Inc. started using and popularizing the .m4a file extension. Software capable of audio/video playback should recognize files with either .m4a or .mp4 file extensions, as would be expected, as there are no file format differences between the two. Most software capable of creating MPEG-4 audio will allow the user to choose the filename extension of the created MPEG-4 files.

Because of its exceptional performance and quality, Advanced Audio Coding (AAC) is at the core of the MPEG-4, 3GPP and 3GPP2 specifications and is the audio codec of choice for Internet, wireless and digital broadcast arenas. AAC provides audio encoding that compresses much more efficiently than older formats, such as MP3, yet delivers quality rivaling that of uncompressed CD audio.

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