FLAC 1.3.0

Updated: 13 Jun 2013 | Freeware | 538KB | Downloads: 443343

FLAC stands for Free Lossless Audio Codec. Grossly oversimplified, FLAC is similar to MP3, but lossless, meaning that audio is compressed in FLAC without any loss in quality.
This is similar to how Zip works, except with FLAC you will get much better compression because it is designed specifically for audio, and you can play back compressed FLAC files in your favorite player (or your car or home stereo, see links to the right for supported devices) just like you would an MP3 file.

The FLAC project consists of:

- the stream format
- reference encoders and decoders in library form
- flac, a command-line program to encode and decode FLAC files
- metaflac, a command-line metadata editor for FLAC files
- input plugins for various music players

Features of FLAC 1.3:

Lossless: The encoding of audio (PCM) data incurs no loss of information, and the decoded audio is bit-for-bit identical to what went into the encoder. Each frame contains a 16-bit CRC of the frame data for detecting transmission errors. The integrity of the audio data is further insured by storing an MD5 signature of the original unencoded audio data in the file header, which can be compared against later during decoding or testing.
Fast: FLAC is asymmetric in favor of decode speed. Decoding requires only integer arithmetic, and is much less compute-intensive than for most perceptual codecs. Real-time decode performance is easily achievable on even modest hardware.
Hardware support: Because of FLAC's free reference implementation and low decoding complexity, FLAC is currently the only lossless codec that has any kind of hardware support.
Streamable: Each FLAC frame contains enough data to decode that frame. FLAC does not even rely on previous or following frames. FLAC uses sync codes and CRCs (similar to MPEG and other formats), which, along with framing, allow decoders to pick up in the middle of a stream with a minimum of delay.
Seekable: FLAC supports fast sample-accurate seeking. Not only is this useful for playback, it makes FLAC files suitable for use in editing applications.
Flexible metadata: New metadata blocks can be defined and implemented in future versions of FLAC without breaking older streams or decoders. Currently there are metadata types for tags, cue sheets, and seek tables. Applications can write their own APPLICATION metadata once they register an ID
Suitable for archiving: FLAC is an open format, and there is no generation loss if you need to convert your data to another format in the future. In addition to the frame CRCs and MD5 signature, flac has a verify option that decodes the encoded stream in parallel with the encoding process and compares the result to the original, aborting with an error if there is a mismatch.
Convenient CD archiving: FLAC has a "cue sheet" metadata block for storing a CD table of contents and all track and index points. For instance, you can rip a CD to a single file, then import the CD's extracted cue sheet while encoding to yield a single file representation of the entire CD. If your original CD is damaged, the cue sheet can be exported later in order to burn an exact copy.
Error resistant: Because of FLAC's framing, stream errors limit the damage to the frame in which the error occurred, typically a small fraction of a second worth of data. Contrast this with some other lossless codecs, in which a single error destroys the remainder of the stream.

Changes from FLAC 1.2.1b to FLAC 1.3:

- Supports RF64+Sony Wave64
- Can ignore timestamp/permissions from infile
- Allow MM:SS:FF/.SS times in non-CDDA cuesheets
- Fixed ReplayGain on stdin
- Appropriate channel masks for 6.1/7.1 input
- Analyse gain of 56–192 kHz files
- Handle UTF-8 filenames on Windows
- Support input files > 2/4 GB
- Command-line tools can now use wildcards

5

FLAC 1.2.1b
on 04 May 2013, reviewed by: OPODER

#26711

Ok, it not work wit 32 bit float files. Just convert to 24b Type 1. Don't worry it is perfect to lossless: 32b = 24b + 8b (exponent to manipulate, not really important) ;)

See: http://en.wikipedia.org/wiki/Single_precision_floating-point_format

- Do you have problem to encode? Try to Disable Replaygain.
- I don't know why, but Once I had to disable the Add Tags to work...

5

FLAC 1.2.1b
on 29 October 2007, reviewed by: Master Coder

#16246

what do you mean "you can not decode"?

Don't you understand how this works?

Encode your high quality wav files (direct CD rip) with flac, then you can play them with foobar2000 - absolutely no quality loss.

And, btw, NO your files will not be of better quality, when you encode your mp3 files to flac. You need to have highest quality for source material - mp3 is already crippled audio - it still sounds good, at least for non-musicians, but FLAC is for the elite studio guys.

mp3 means degradation and degeneration of your perception, it will kill your senses.

You will not understand this, when you are young today - you will understand, when you will be old, but then it will be to late.

If you really love music - USE FLAC!

1

FLAC 1.1.4
on 11 March 2007, reviewed by: r0cks0ul

#11045

cant decode doesnt even give any error while decoding dont you have GUI for these?!

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