Re: [MP3 ENCODER] MS Stereo

[reinhard]

>One of the biggest differences between l3psycho_anal_ns and >l3psyco_anal is exactly what you are asking about - how the estimate >the tonality index.  One is a tweaked and cleaned up version of the >MPEG1/2 recommendation:  the predictiictability of the energy in each >band over several granules.  I believe it comes from thesis work >of one of the creators of MP3.  The other is based on how peaked the >spectrum is, and uses data just from a single granule.  Naoki wrote >it based on data in Zweicker's book.                          Zweicker's book??  would you tell me the name of the book                     or more information about the l3psycho_anal_ns              >Keep in mind that all the models are very crude estimates, >and the output should be considered as a rough guide to the noise >shaping algorthims rather than absolute truth.  >Mark