Re: [Cin] Waveform generation using ffmpeg filters

2019-04-15 Thread Igor BEGHETTO
To close the question, here’s an option how to generate a 440 Hz tone for 2 channels: https://www.datafilehost.com/d/d67b7b18 -- Ugin. Ugin, if you want there is an alternative, without rendering. Take a look at: https://streamable.com/ohuof So it can be more flexible to change the

Re: [Cin] Waveform generation using ffmpeg filters

2019-04-15 Thread Sam
Very nice layout with the different windows of Cinelerra, also interesting how to use this effect. Thanks for sharing. Sam On 15.04.19 12:38, preob...@gmail.com wrote: To close the question, here’s an option how to generate a 440 Hz tone for 2 channels: https://www.datafilehost.com/d/d67b7b18

Re: [Cin] Waveform generation using ffmpeg filters

2019-04-15 Thread preobraz
To close the question, here’s an option how to generate a 440 Hz tone for 2 channels: https://www.datafilehost.com/d/d67b7b18 -- Ugin. 13.04.2019 17:47, Phyllis Smith пишет: Ugin, GG says that using F_aeval is easier. Because F_sine "sine function seems to restart at every frame buffer". A

Re: [Cin] Waveform generation using ffmpeg filters

2019-04-13 Thread preobraz
Yes, all right. Thank you. I have not figured out yet how to connect both channels - left and right, but this business is solved. -- Ugin. 13.04.2019 17:47, Phyllis Smith пишет: Ugin, GG says that using F_aeval is easier. Because F_sine "sine function seems to restart at every frame buffer".

Re: [Cin] Waveform generation using ffmpeg filters

2019-04-13 Thread Phyllis Smith
Ugin, GG says that using F_aeval is easier. Because F_sine "sine function seems to restart at every frame buffer". A screen shot of the set up is at: https://www.datafilehost.com/d/d218ffdb For aeval, note the playback buffer sample. And in case you can not see the png file, you will see

[Cin] Waveform generation using ffmpeg filters

2019-04-13 Thread preobraz
Hello. I'm trying to generate a 440 Hz sound with the help of FFmpeg of ffmpeg -f lavfi -i "sine=frequency=440:duration=5" test.wav type, but the waveform is: https://www.datafilehost.com/d/ea27d7ec Does Cinelerra incorrectly process the generation, or do I need to change something in the