MKV를 FLAC(으)로 온라인 변환 — 무료 및 빠름 | ConvertIntoMP4 | ConvertIntoMP4

MKV에서 FLAC(으)로의 변환 자세히 알아보기

변환 방법

Upload your .mkv file by dragging it into the upload area or clicking to browse.

Choose your output settings. The default settings work great for most files.

Click Convert and download your .flac file when it's ready.

MKV에서 FLAC(으)로의 변환 소개

FLAC (Free Lossless Audio Codec) is the gold standard for lossless audio archival, offering 50-60% compression with zero quality loss. Extracting audio from MKV to FLAC preserves every detail of the original recording while producing files that play on virtually every modern device and audio player.

MKV을(를) FLAC(으)로 변환하는 이유

When your MKV contains high-fidelity audio — whether it is a concert recording captured with professional microphones, a Blu-ray rip with DTS-HD Master Audio, or a studio session export — converting to FLAC ensures that audio quality is preserved perfectly for future use. Unlike AAC or MP3, FLAC decodes to bit-identical PCM, meaning nothing is lost no matter how many times you copy, transfer, or transcode the file.

FLAC has become the de facto standard for music archivists, audiophile communities, and streaming services that offer lossless tiers (Tidal, Amazon Music HD, Deezer HiFi). If you extract audio from MKV in a lossy format, you permanently lose information. FLAC lets you keep everything and transcode to lossy formats later as needed, without ever going back to the original MKV.

주요 활용 사례

Archiving the audio from MKV concert recordings in a lossless, future-proof format
Extracting DTS-HD or TrueHD audio from Blu-ray MKV rips for audiophile music libraries
Preserving field recording audio from MKV video captures for documentary sound editing
Converting MKV screen recordings with system audio to FLAC for post-production mixing
Building a lossless sample library from MKV music video footage for beat production

작동 방식

FFmpeg decodes the MKV audio stream and re-encodes to FLAC using the native libflac encoder. If the MKV already contains FLAC audio (common in anime fansub releases), FFmpeg can stream-copy the audio without re-encoding, making the extraction nearly instantaneous. FLAC supports sample rates up to 655,350 Hz, bit depths up to 32-bit, and up to 8 audio channels. Compression levels range from 0 (fastest, largest) to 12 (slowest, smallest), with level 5 being the default sweet spot.

품질 및 성능

FLAC is lossless — the output is mathematically identical to the decoded source. If the MKV contains lossless audio (FLAC, ALAC, PCM, TrueHD, DTS-HD MA), the output is a bit-perfect copy. If the source audio was lossy (AAC, Vorbis, MP3), the FLAC output preserves that quality exactly without adding further degradation, though the original lossy compression cannot be reversed.

FFMPEG EngineModerateLossless

기기 호환성

Device	MKV	FLAC
Windows PC	Partial	Partial
macOS	Partial	Partial
iPhone/iPad	Partial	Partial
Android	Partial	Native
Linux	Partial	Native
Web Browser	No

플랫폼별 권장 설정

YouTube

Resolution: 1920x1080

Bitrate: 8-12 Mbps

H.264 recommended for fast processing

Instagram

Resolution: 1080x1080

Bitrate: 3.5 Mbps

Square or 9:16 for Reels

TikTok

Resolution: 1080x1920

Bitrate: 4 Mbps

9:16 vertical, under 60s ideal

Twitter/X

Resolution: 1280x720

Bitrate: 5 Mbps

Under 140s, 512MB max

Resolution: 960x540

Bitrate: 2 Mbps

16MB limit for standard, 64MB for document

Discord

Resolution: 1280x720

Bitrate: 4 Mbps

8MB free, 50MB Nitro

최상의 결과를 위한 팁

1Use FLAC compression level 5 for the best speed-to-size ratio unless you are archiving thousands of files where extra compression adds up
2If the MKV already contains FLAC audio, use stream copy (-c:a copy) to avoid unnecessary decode-encode cycles
3Embed ReplayGain tags during extraction if the FLAC files will go into a music player to normalize playback volume across tracks
4Verify the extraction with a checksum comparison if archival integrity is critical — FLAC includes built-in MD5 verification
5Use the -map flag to select a specific audio track if the MKV contains multiple (e.g., stereo vs. surround)

자주 묻는 질문

No. Converting lossy to lossless does not recover lost data. The FLAC file will be a lossless copy of the already-compressed AAC audio. The benefit is preventing further quality loss in future transcodings.

FLAC typically compresses to 50-70% of WAV size depending on the audio content. Simple recordings compress more; dense, noisy audio compresses less.

Android has supported FLAC natively since version 3.1. iPhones support FLAC natively since iOS 11. Both platforms handle FLAC in their default music apps.

Yes. FLAC uses Vorbis Comments for text metadata and can embed cover art images. Most music players and taggers (MusicBrainz Picard, Mp3tag) handle FLAC tags natively.

Level 5 (default) offers the best balance. Higher levels (8-12) squeeze out only 1-3% more space but take significantly longer. Level 0 is useful when speed matters and disk space is abundant.

Yes. FLAC supports up to 8 channels. A 5.1 surround track from an MKV extracts as a 6-channel FLAC file that multichannel DACs and AV receivers can decode properly.

기능	MKV	FLAC
전체 이름	Matroska Video	Free Lossless Audio Codec
확장자	.mkv	.flac
최적 용도	Multiple audio tracks	Lossless compression

Convert MKV to FLAC — Free Online Converter

변환 방법

MKV에서 FLAC(으)로의 변환 소개

MKV을(를) FLAC(으)로 변환하는 이유

주요 활용 사례

작동 방식

품질 및 성능

기기 호환성

플랫폼별 권장 설정

YouTube

Instagram

TikTok

Twitter/X

WhatsApp

Discord

최상의 결과를 위한 팁

관련 변환

자주 묻는 질문

관련 변환 및 도구

역방향 변환

MKV을(를) 다른 형식으로 변환

다른 형식을 FLAC(으)로 변환

MKV을(를) 다른 형식으로 변환

다른 형식을 FLAC(으)로 변환

관련 도구

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MKV vs FLAC