WebM 비디오
WebM은 Google이 웹용으로 개발한 오픈, 로열티 프리 비디오 형식입니다. VP8/VP9/AV1 코덱을 사용합니다.
MIME 타입
audio/aac
유형
바이너리
압축
손실
장점
- + Better audio quality than MP3 at equivalent bitrates
- + Native support in Apple, Android, YouTube, and streaming platforms
- + Supports multichannel surround sound (up to 48 channels)
- + HE-AAC profiles enable high-quality low-bitrate streaming
단점
- − Lossy compression still discards audio data permanently
- − Licensing fees apply for AAC encoder distribution
- − Some open-source tools have limited AAC encoding support
.AAC 사용 시점
WebM은 브라우저 기반 비디오 재생에 사용하세요. 범용에는 MP4를 사용하세요.
기술 세부사항
Matroska 컨테이너의 프로파일로 VP8/VP9/AV1 비디오와 Vorbis/Opus 오디오를 사용합니다.
역사
Google이 2010년에 VP8을 오픈 소스로 공개하고 WebM을 도입했습니다.
.AAC에서 변환
.AAC로 변환
관련 포맷
관련 용어
Learn More
Audio Format Guide: MP3 vs AAC vs FLAC vs WAV
Audio formats balance file size against sound quality. This comparison covers the most common formats and helps you choose the …
How to Trim and Edit Audio Files in the Browser
Browser-based audio editing lets you trim silence, cut sections, and adjust audio without installing software. Learn how to use the …
Best Practices for Podcast Audio Quality
Clear, consistent audio is the foundation of a professional podcast. This guide covers recording levels, noise reduction, loudness normalization, and …
How to Convert Between Audio Formats
Converting audio files between formats is common when preparing music for different devices, uploading to platforms, or archiving recordings. Learn …
Troubleshooting Audio Playback Issues
Audio files that refuse to play, produce distorted sound, or have sync issues are common frustrations. This guide helps you …
Audio Loudness Standards: LUFS, dBFS, and Normalization
Different platforms have different loudness requirements. Understanding LUFS, dBFS, and normalization ensures your audio plays at the right volume on …