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In article . com,
Boltar writes On 10 Jul, 02:11, "Max Power" wrote: Pros and cons of NICAM vs DVB vs DAB (original design) Disadvantages NICAM -- J.17 Emphasis curve -- 32 kHz sample rate -- 14 bits vs 16 bits of modern systems; requires resampling for 16 bit origin material Still, if one were designing a DAB system in the mid-1980s ... NICAM is near perfect. -- IF AND ONLY IF "RDS" datastream is added 14 bits and 32Khz near perfect? Even CD players managed 16 bits 44.1 Khz in the mid 80s. You're also forgetting that NICAM has virtually sod all error correction. The slightest dodgy signal and its off into wax cylinder audio mode (though you won't here it on most TVs , they mute or switch to the FM sound as soon as the bitstream goes wonky) B2003 Well it was designed for distribution and for that its very good and doesn't do at all badly for domestic TV .. that reception path is usually a good one... -- Tony Sayer |
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