Re: [music-dsp] Instant frequency recognition

2014-07-17 Thread zhiguang e zhang
This post explains the concept instantaneous frequency well: (It is basically used to distinguish amplitude from phase) http://math.stackexchange.com/questions/85388/does-the-phrase-instantaneous-frequency-make-sense EZ On Jul 17, 2014, at 6:40 PM, Ethan Duni wrote: >> Sinc interpolation would

Re: [music-dsp] scripted dynamics compression

2014-07-15 Thread zhiguang e zhang
Another one here interested in how the knee was implemented. EZ On Jul 15, 2014, at 5:13 PM, robert bristow-johnson wrote: > On 7/15/14 10:06 AM, Jihad Ibrahim wrote: >> MATLAB ships a dynamic range compressor and a dynamic range expender as part >> of the DSP System Toolbox. The dynamic range

Re: [music-dsp] scripted dynamics compression

2014-07-14 Thread zhiguang e zhang
Hi Reid, I wrote one as part of a school project. Please contact me privately to discuss. Thanks, Eric On Jul 14, 2014, at 12:44 PM, Reid Oda wrote: > Hi list, > > Does anyone know of a decent dynamics compressor that can be run as > part of a script? I am partial to matlab or python, but an

Re: [music-dsp] DFT by Simultaneous Equations

2014-07-08 Thread zhiguang e zhang
Hello, I have found the National Instruments pages quite helpful: http://zone.ni.com/reference/en-XX/help/372416B-01/svtconcepts/fft_funda/ http://www.ni.com/white-paper/3342/en/ alpha.science.unitn.it/~bassi/Signal/NInotes/an041.pdf regards, Eric Z On Jul 8, 2014, at 11:45 AM, Bjorn Roche