Re: [FFmpeg-user] aevalsrc question

2016-12-20 Thread Muhammad Faiz
On 12/20/16, Adam Puckett wrote: > On 12/20/16, Muhammad Faiz wrote: >> On 12/20/16, Adam Puckett wrote: >>> On 12/19/16, Nicolas George wrote: Oh, good catch. I should have remembered this task

Re: [FFmpeg-user] aevalsrc question

2016-12-20 Thread Adam Puckett
On 12/20/16, Muhammad Faiz wrote: > On 12/20/16, Adam Puckett wrote: >> On 12/19/16, Nicolas George wrote: >>> Oh, good catch. I should have remembered this task needed a primitive >>> function, not just a multiplication. >>> >>>

Re: [FFmpeg-user] aevalsrc question

2016-12-19 Thread Muhammad Faiz
On 12/20/16, Adam Puckett wrote: > On 12/19/16, Nicolas George wrote: >> Oh, good catch. I should have remembered this task needed a primitive >> function, not just a multiplication. >> >> Regards, >> >> -- >> Nicolas George >> > What do I need to do

Re: [FFmpeg-user] aevalsrc question

2016-12-19 Thread Adam Puckett
On 12/19/16, Nicolas George wrote: > Oh, good catch. I should have remembered this task needed a primitive > function, not just a multiplication. > > Regards, > > -- > Nicolas George > What do I need to do to make the formula right?

Re: [FFmpeg-user] aevalsrc question

2016-12-19 Thread Nicolas George
Le nonidi 29 frimaire, an CCXXV, Muhammad Faiz a écrit : > The formula is wrong. > Consider sin(262*2^(t/10)*2*PI*t). > phase, ph(t) = 262 * 2^(t/10) * 2 * PI * t > angular freq (in radians/s), w(t) = dph(t)/dt = 262 * 2 * PI * > (2^(t/10) + log(2)/10 * 2^(t/10) * t) > freq(t) = 262 * (2^(t/10) +

Re: [FFmpeg-user] aevalsrc question

2016-12-19 Thread Muhammad Faiz
On 12/19/16, Adam Puckett wrote: > On 12/19/16, Nicolas George wrote: >> L'octidi 28 frimaire, an CCXXV, Adam Puckett a écrit : >>> When you say it "works" for you (I have to double the ^ to escape on >>> Windows), >> >> My condoleances. >> >>>

Re: [FFmpeg-user] aevalsrc question

2016-12-19 Thread Paul B Mahol
On 12/19/16, Adam Puckett wrote: > On 12/19/16, Nicolas George wrote: >> L'octidi 28 frimaire, an CCXXV, Adam Puckett a écrit : >>> When you say it "works" for you (I have to double the ^ to escape on >>> Windows), >> >> My condoleances. >> >>>

Re: [FFmpeg-user] aevalsrc question

2016-12-19 Thread Carl Eugen Hoyos
2016-12-19 15:02 GMT+01:00 Adam Puckett : > when I ffplay the same command, or generate uncompressed > files, I hear the same thing. Isn't there software that allows to reproduce your findings by analyzing the pcm output of your filter chain? Carl Eugen

Re: [FFmpeg-user] aevalsrc question

2016-12-19 Thread Adam Puckett
On 12/19/16, Nicolas George wrote: > L'octidi 28 frimaire, an CCXXV, Adam Puckett a écrit : >> When you say it "works" for you (I have to double the ^ to escape on >> Windows), > > My condoleances. > >> does it produce this file? > > Yes, approximatively. Are you just

Re: [FFmpeg-user] aevalsrc question

2016-12-18 Thread Nicolas George
L'octidi 28 frimaire, an CCXXV, Adam Puckett a écrit : > When you say it "works" for you (I have to double the ^ to escape on > Windows), My condoleances. > does it produce this file? Yes, approximatively. Are you just hearing Vorbis artifacts? Regards, -- Nicolas George

Re: [FFmpeg-user] aevalsrc question

2016-12-18 Thread Adam Puckett
On 12/18/16, Nicolas George wrote: > L'octidi 28 frimaire, an CCXXV, Adam Puckett a écrit : >> Some time ago I posted a question about sweeping from one frequency to >> another using aevalsrc and the t parameter of the expression. My >> command line was something like: >> >>

Re: [FFmpeg-user] aevalsrc question

2016-12-18 Thread Nicolas George
L'octidi 28 frimaire, an CCXXV, Adam Puckett a écrit : > Some time ago I posted a question about sweeping from one frequency to > another using aevalsrc and the t parameter of the expression. My > command line was something like: > > ffmpeg -f lavfi -i aevalsrc=sin(262*2^^(t/10)*2*PI*t):d=10

Re: [FFmpeg-user] aevalsrc question

2016-12-18 Thread Adam Puckett
On 12/18/16, Paul B Mahol wrote: > On 12/18/16, Adam Puckett wrote: >> Hey list, >> >> Some time ago I posted a question about sweeping from one frequency to >> another using aevalsrc and the t parameter of the expression. My >> command line was

Re: [FFmpeg-user] aevalsrc question

2016-12-18 Thread Paul B Mahol
On 12/18/16, Adam Puckett wrote: > Hey list, > > Some time ago I posted a question about sweeping from one frequency to > another using aevalsrc and the t parameter of the expression. My > command line was something like: > > ffmpeg -f lavfi -i

[FFmpeg-user] aevalsrc question

2016-12-18 Thread Adam Puckett
Hey list, Some time ago I posted a question about sweeping from one frequency to another using aevalsrc and the t parameter of the expression. My command line was something like: ffmpeg -f lavfi -i aevalsrc=sin(262*2^^(t/10)*2*PI*t):d=10 test.ogg and I'm still hearing higher frequencies than