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O převodu MPEG na WAV

WAV (Waveform Audio File Format), co-developed by Microsoft and IBM in 1991, is the standard uncompressed audio format for Windows and the most widely supported lossless audio format across all platforms. MPEG files contain audio as MPEG Audio Layer 2 at bitrates typically between 128 and 384 kbps. Converting MPEG to WAV extracts and decodes this audio into raw PCM data — the universal starting point for audio editing, processing, and mastering.

Proč převádět MPEG na WAV?

WAV is the lingua franca of audio production. Every DAW (Audacity, Pro Tools, Ableton, FL Studio, Reaper), every audio plugin, every sound card, and every operating system handles WAV without conversion or codec negotiation. When you extract audio from MPEG for editing purposes, WAV eliminates all compatibility variables.

WAV is also essential for applications that require sample-accurate audio: forensic analysis, scientific measurement, broadcast automation, and CD mastering. The format's simplicity — just a RIFF header followed by raw PCM samples — means there are zero decoding artifacts, zero codec dependencies, and zero compatibility issues. If the audio needs further processing, WAV is where you start.

Běžné případy použití

Extracting MPEG audio for editing in Audacity, Pro Tools, or any DAW
Creating broadcast-ready audio masters from MPEG-2 TV recordings
Preparing audio for forensic analysis where uncompressed fidelity is required
Building sound effect libraries from MPEG-encoded source material
Providing uncompressed audio deliverables to clients or mastering engineers

Jak to funguje

FFmpeg decodes the MP2 audio and writes raw PCM to a WAV container: `-vn -acodec pcm_s16le -ar 44100 -ac 2`. WAV uses little-endian byte order (unlike AIFF's big-endian). For 24-bit output: `pcm_s24le`. For 32-bit float (used in some DAWs): `pcm_f32le`. The WAV format has a 4 GB file size limit in its standard RIFF implementation; use RF64 (W64) for files exceeding this.

Kvalita a výkon

WAV is uncompressed, so no quality is lost during the WAV encoding step. The output exactly reproduces what the MP2 decoder outputs. File sizes are approximately 10 MB per minute for 16-bit stereo at 44.1 kHz, or 30 MB per minute for 24-bit stereo at 96 kHz.

FFMPEG EngineModerateLossless

Kompatibilita zařízení

Device	MPEG	WAV
Windows PC	Partial	Native
macOS	Partial	Partial
iPhone/iPad	Partial	Partial
Android	Partial	Partial
Linux	Partial	Partial
Web Browser	No

Doporučená nastavení podle platformy

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

Tipy pro nejlepší výsledky

1Use 16-bit/44.1 kHz for standard editing — the source is lossy MP2, so higher bit depths add file size without quality benefit
2Choose WAV for editing and FLAC for archiving — they are quality-identical but WAV has zero decode latency
3If the WAV file exceeds 4 GB, FFmpeg automatically uses RF64 format — verify your DAW supports it
4Extract to WAV first, perform all edits, then export to your final delivery format (MP3, AAC, etc.) for a clean signal chain
5Check the source MPEG audio channels — if it is mono, extract as mono WAV to halve the file size

Související převody

MPEG to MP4 Converter MPEG to AVI Converter MPEG to WebM Converter MPEG to AAC Converter MPEG to FLAC Converter MP4 to WAV Converter AVI to WAV Converter WebM to WAV Converter AAC to WAV Converter FLAC to WAV Converter WAV to MP4 Converter

MPEG to WAV extraction gives you the most universally compatible uncompressed audio format, serving as the ideal starting point for any further audio processing, editing, or distribution workflow.

Často kladené otázky

No. The source audio is already lossy MP2. WAV preserves the decoded quality without adding further loss, but cannot restore frequencies that MP2 compression removed.

Approximately 10 MB per minute at CD quality (16-bit, 44.1 kHz, stereo). A 1-hour MPEG recording produces a ~600 MB WAV file. This is the trade-off for uncompressed quality.

WAV for immediate editing (universal DAW support, zero decode overhead). FLAC for storage and archiving (same quality, roughly half the file size). Convert WAV to FLAC for archival, keep WAV for active editing.

WAV supports limited metadata via LIST/INFO chunks (title, artist, comment) and iXML chunks for broadcast metadata. It is less capable than M4A or FLAC for metadata, but sufficient for basic tagging.

Standard WAV (RIFF) is limited to 4 GB (~6.7 hours of CD-quality audio). For longer recordings, use RF64/BWF format, which extends the limit to practically unlimited sizes. FFmpeg creates RF64 automatically when needed.

WAV to MP3 introduces one generation of lossy encoding. Going MPEG (MP2) → WAV → MP3 produces two generations of lossy compression. For the best MP3 result, extract MPEG audio directly to MP3 in a single step.

Související převody a nástroje

Převeďte MPEG také na

MPEG to MP4→MPEG to AVI→MPEG to WebM→MPEG to AAC→MPEG to FLAC→MPEG to MKV→

Převeďte také na WAV

MP4 to WAV→AVI to WAV→WebM to WAV→

Vlastnost	MPEG	WAV
Celý název	Moving Picture Experts Group	Waveform Audio File Format
Přípona	.mpeg	.wav
Nejlepší pro	Universal support	Lossless quality

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