Re: [music-dsp] Precise, Real Time Pitch Shift with Formant Control

2011-08-02 Thread Igor Brkic
On Tue, Aug 2, 2011 at 2:28 PM, Conley, Dylan dylan.con...@marquette.edu wrote: Greetings, Is anyone aware of an open source pitch-shift algorithm implementation that is quick ( 2ms) precise (to within 0.5 cents) and leaves the formant intact? Hi Dylan! I'm not an expert in this but you can

Re: [music-dsp] Precise, Real Time Pitch Shift with Formant Control

2011-08-02 Thread robert bristow-johnson
On 8/2/11 9:32 AM, Igor Brkic wrote: On Tue, Aug 2, 2011 at 2:28 PM, Conley, Dylan dylan.con...@marquette.edu wrote: Is anyone aware of an open source pitch-shift algorithm implementation that is quick ( 2ms) precise (to within 0.5 cents) and leaves the formant intact? ... you can do that

Re: [music-dsp] Precise, Real Time Pitch Shift with Formant Control

2011-08-02 Thread robert bristow-johnson
On 8/2/11 12:01 PM, Wen Xue wrote: This might be purely theoretical - but can you pitch-shift something below 500Hz with2ms delay at reasonable precision? no, not in a meaningful way. i didn't realize in my earlier response that the OP spec'd that. it's an unreasonable spec. There doesn't

Re: [music-dsp] Precise, Real Time Pitch Shift with Formant Control

2011-08-02 Thread robert bristow-johnson
On 8/2/11 2:04 PM, Steffan Diedrichsen wrote: Since you implement for a synthesizer, you may look into the option for an off-line pitch detection and real-time grain-synthesis. Grain synthesis has a nice formant control and is fairly easy to implement. i think that this grain synthesis is