Audio processing: Why music sounds different on the radio

Ever notice that music sounds different on the radio, compared to a CD or MP3? It's because of the audio processing that radio stations use. Here is a step-by-step listening tour through all of the audio processing features of the CRL Systems Amigo AM, many of which are relevant to all forms of audio processing, analog or digital. Brochure for the CRL Amigo AM: http://www.amstereo.org/archive/pdf/c... Owner's manual for the CRL Amigo AM, with details on the idiosyncracies of AM Stereo processing: ftp://ftp.orban.com/CRL/AMIGO%20AM%20Manual.pdf Time flow: 0:00 Introduction 3:14 Overview 5:04 A look inside 6:45 Input level & balance 7:45 Phase processor 9:56 Mid-range presence 11:00 Dual-band AGC 15:28 Gate 16:38 Stereo enhancement 18:46 Low-freq enhance 20:39 Repairs 24:57 Hi-freq equalization 28:30 Matrix processor 31:17 Peak limiter 31:57 Bandwidth filter 33:15 Proof/operate switch 34:05 Output controls 35:39 Stereo adjust 37:02 On-air demonstration This video contains music by Julian Croot ("80s Inspired Retro Synth Track").