MPEG Transport Stream files from digital broadcasting carry audio encoded in compressed formats like MPEG-2 Audio (192-384 kbps in DVB) or AC3 (384-640 kbps in ATSC). Converting TS to WAV extracts and decodes this audio into Microsoft's Waveform Audio File Format — uncompressed PCM audio stored in a RIFF container, the universal standard for professional audio processing.

WAV is the universal interchange format for audio production. Every DAW (Digital Audio Workstation), audio editor, broadcast automation system, and forensic analysis tool accepts WAV. When you need broadcast audio for editing, analysis, or as a master copy for further processing, WAV's uncompressed PCM guarantees no additional quality loss and maximum software compatibility.

FFmpeg parses the TS container's PAT and PMT to locate audio PIDs, reassembles audio access units from the 188-byte packet stream, and decodes through the appropriate codec (MPEG-2 Audio, AC3, or E-AC3). The decoded PCM samples are written into a WAV RIFF container with a fmt chunk specifying sample rate (typically 48 kHz), bit depth (16-bit or 24-bit), and channel count (stereo or 5.1 downmixed to stereo). The data chunk contains raw interleaved PCM samples.

Resolution: 1920x1080

Bitrate: 8-12 Mbps

H.264 recommended for fast processing

Resolution: 1080x1080

Bitrate: 3.5 Mbps

Square or 9:16 for Reels

Resolution: 1080x1920

Bitrate: 4 Mbps

9:16 vertical, under 60s ideal

Resolution: 1280x720

Bitrate: 5 Mbps

Under 140s, 512MB max

Resolution: 960x540

Bitrate: 2 Mbps

16MB limit for standard, 64MB for document

Resolution: 1280x720

Bitrate: 4 Mbps

8MB free, 50MB Nitro

Uncompressed WAV is large: 48 kHz 16-bit stereo uses about 11.5 MB per minute, or 690 MB per hour. A 2-hour broadcast extraction produces roughly 1.38 GB of WAV data.

16-bit is sufficient for broadcast audio, which was encoded at 16-bit or lower precision. 24-bit adds zero actual detail from a broadcast source — it just uses more disk space for zero-padded samples.

Both contain identical audio when decoded. WAV is faster to load in DAWs (no decompression step) and has universal software support. FLAC is 40-50% smaller but requires decompression. For editing, WAV is preferred; for archival, FLAC saves space.

Yes — WAV supports multi-channel audio (WAV extensible format). You can preserve AC3 5.1 as a 6-channel WAV. Enable multi-channel output in advanced settings.

WAV does not support broadcast timestamp metadata natively. BWF (Broadcast Wave Format) is an extension that adds timecode stamps. Select BWF output if you need timestamp preservation for broadcast workflows.

Yes — use the trim settings to specify start and end times before conversion. This avoids extracting hours of audio when you only need a specific segment.

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

特徴	TS	WAV
正式名称	MPEG Transport Stream	Waveform Audio File Format
拡張子	.ts	.wav
最適な用途	Broadcasting	Lossless quality

Convert TS to WAV — Free Online Converter

TSからWAVへの変換について

TSをWAVに変換する理由

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TSとWAVの比較