[BC] IBOC AM Quality

[Powell E. Way III W4OPW]

--- padrino <padrino at telos-systems.com> wrote:

> No amounts of 'whacky-tobacky' needed. :)


For US that is. 

 
> Processing for lower bitrates requires that the
> audio processing is NOT
> what we've come to know. Research has shown that low
> bitrate codecs DO NOT
> like clipping...NOR...limiting that contains high
> levels of
> intermodulation distortion (IMD). Most dynamic peak
> limiters exhibit high
> IMD and this causes added 'artifacting' in the
> coder. Just spent a good
> year working on this, and the proof is in the
> processing algorithms.

> -Frank Foti


But getting the GM or PD to understand this may be
  E X  C E P T I O N A L L Y       hard to accomplish.



Powell