Convert your music FLAC/WAV to smaller FLAC files lossless (up to 1-5% and more)! High compression ratio – better than your programs with default settings (-8). FLAC stands for Free Lossless Audio Codec, an audio format similar to MP3, but lossless, meaning that audio is compressed in FLAC without any loss in quality. It uses program flac.exe from Xiph.Org Foundation. Batch processing of files (drag-n-drop). Reduce the size of your music/audio files in one click without quality loss! Program optimizes your file to new one with «_optimized» name ending (source file will remain intact). Output files have their timestamps/permissions set to match those of their inputs.
– High compression ratio.
– Option “Use maximum compression”.
– Option “Use extreme compression (~7x slower)”.
– Supported formats: flac, wav.
– Option “Remove only pictures (cover art etc)”.
– Option “Remove ALL metadata (name, title, album etc)”.
– Output files have their timestamps/permissions set to match those of their inputs.
– Option “Delete source file only if result is smaller”.
– You can set «Run in background (without console output)» or uncheck it for manual process control.
FLAC stands for Free Lossless Audio Codec, an audio format 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 supported devices) just like you would an MP3 file.
FLAC stands out as the fastest and most widely supported lossless audio codec, and the only one that at once is non-proprietary, is unencumbered by patents, has an open-source reference implementation, has a well documented format and API, and has several other independent implementations.
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: FLAC is supported by dozens of consumer electronic devices, from portable players, to home stereo equipment, to car stereo.
Flexible metadata: FLAC’s metadata system supports tags, cover art, seek tables, and cue sheets. Applications can write their own APPLICATION metadata once they register an ID. New metadata blocks can be defined and implemented in future versions of FLAC without breaking older streams or decoders.
Seekable: FLAC supports fast sample-accurate seeking. Not only is this useful for playback, it makes FLAC files suitable for use in editing applications.
Run only 1 active instance of the program!
Current file has its own status in the list: «running», «done» and «saved space».
1. Number of optimized files (total and current session).
2. Files in the queue (quantity).
3. Saved disk space (Mb) total and for each file in the list.
(You need to save files «res\size.txt» and «res\numbers.txt» before updating, if you want to save the overall statistics («Total»)).
You can specify the path to the file «flac.exe» manually in a separate form.
More info about FLAC
Please send any bugs and requests to [email protected] whith subject “Ultra7z Flac Optimizer”
It’ free for commercial and non-commercial use!
If you like my program and you want help improve it, you can help me (donate) here.
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– first release