Mid-Side Processing
Mid-Side Audio Processing
A technique separating stereo audio into center (mid) and sides signals for independent processing.
Technical Detail
Audio mid-side processing configurations range from mono (1 channel) to immersive formats like Dolby Atmos (object-based, up to 128 tracks). Stereo (2 channels) creates spatial width through inter-aural differences. 5.1 surround (6 channels: L, R, C, LFE, LS, RS) is the cinema standard. For web delivery, stereo MP3/AAC is standard; for podcasts, mono at 64-128 kbps is recommended to reduce file size without noticeable quality loss since spoken word doesn't benefit from stereo separation.
Example
``` Audio channel configurations: Mono (1.0) — 1 channel — podcasts, phone calls Stereo (2.0) — 2 channels — music, web audio Surround (5.1) — 6 channels — cinema, gaming Atmos (7.1.4) — 12 channels — immersive audio File size impact: stereo = 2× mono at same bitrate Podcast tip: mono 64 kbps ≈ stereo 128 kbps quality ```
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