Convert FLAC to OPUS

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FLAC vs Opus Format Comparison

Aspect FLAC (Source Format) Opus (Target Format)
Format Overview
FLAC
Free Lossless Audio Codec

FLAC is an open‑source, lossless audio format preserving all original PCM data while reducing file size through efficient compression.

Lossless Compressed
Opus
Opus

Opus is an open‑source, lossy audio codec combining SILK and CELT to deliver low‑latency, high‑quality audio across a wide range of bit rates.

Lossy Compressed
Technical Specifications
Sample Rates: 8kHz - 384kHz
Bit Depths: 16, 24, 32-bit
Encoding: Lossless PCM with predictive coding
Extensions: .flac
Sample Rates: 8kHz - 48kHz
Bit Rate Modes: CBR, VBR
Bit Rates: 6–510 kbps
Channels: mono, stereo, multichannel (≤255)
Extensions: .opus, .ogg, .webm
Advantages
  • Perfect audio fidelity preserved
  • Efficient compression with checksums
  • Metadata and cover art support
  • Excellent quality across bit rates
  • Ultra-low latency (as low as 5 ms)
  • Seamless speech/music switching
  • Robust to packet loss
  • Royalty-free for most uses
Disadvantages
  • Larger than lossy for streaming
  • CPU-intensive compared to simpler lossy
  • Less universal hardware support than MP3/AAC
  • Complex codec design can complicate implementations
  • Higher CPU usage for encode/decode
Compatibility
Excellent: VLC, Foobar2000, JRiver

Good: iTunes (plugin), Windows Media Player (plugin)

Limited: Some portable devices
Excellent: Discord, Firefox, Chrome, WhatsApp, Spotify

Good: VLC, FFmpeg, iOS (with libraries)

Limited: Legacy players without support
Common Uses
  • Archival and high-resolution playback
  • Audiophile libraries
  • Master recordings
  • Real-time communication (VoIP, conferencing)
  • Interactive streaming (gaming, live)
  • Music streaming at variable bit rates
  • WebRTC and browser audio

Why Convert FLAC to OPUS?

Converting FLAC to Opus combines the benefits of lossless archival with the versatility of a low-latency, high-quality codec, perfect for modern streaming, real-time communication, and adaptive bitrate applications.