On 2021-04-28T08:51:15+0200, Bo Berglund wrote:
> So I wonder if there is an ffmpeg command that can modify the pitch of the
> audio
> without changing the playback speed or lipsync?
Lower pitch: -af "asetrate=22050,aresample=44100,atempo=2"
Higher pitch: -af
Bo, I don't have expertise in using FFmpeg with audio. But I do want to
point out that what you say you want appears to be different in
different parts of your message. Maybe some of these sentences were not
quite worded correctly?
On 2021-04-28 23:40, Bo Berglund wrote:
What I wanted was to
Bo Berglund (12021-04-29):
> I did NOT want to change the *speed* of neither the audio nor the video!
Maybe that was not what you WANTED to do, but that is what you did. You
used atempo, the name is quite clear, it changes the tempo. And if you
do not trust the name, trust the documentation:
Am 28.04.2021 um 23:34 schrieb Bo Berglund:
On Wed, 28 Apr 2021 11:35:47 +0200, Michael Koch
wrote:
I had tested this (which I found by googling) before I posted:
ffmpeg -i input20.mp4 -filter:a "atempo=1.25" -vn output20.mp4
There were no errors displayed but the resulting file *ONLY*
On Wed, 28 Apr 2021 23:43:51 +0200, Nicolas George wrote:
>You changed the speed of the audio and not the video, what did you
>expect? FFmpeg does what you tell it to do, it cannot read your mind.
I did NOT want to change the *speed* of neither the audio nor the video!
What I wanted was to
Bo Berglund (12021-04-28):
> OK, that included the video...
> But now there is no lip-sync at all. Seems to drift longer apart during the
> video playing. Audio and video running at different speeds.
You changed the speed of the audio and not the video, what did you
expect? FFmpeg does what you
On Wed, 28 Apr 2021 11:35:47 +0200, Michael Koch
wrote:
>> I had tested this (which I found by googling) before I posted:
>>
>> ffmpeg -i input20.mp4 -filter:a "atempo=1.25" -vn output20.mp4
>>
>> There were no errors displayed but the resulting file *ONLY* contains the
>> audio
>> part, I
Am 28.04.2021 um 10:53 schrieb Bo Berglund:
On Wed, 28 Apr 2021 09:03:26 +0200, Michael Koch
wrote:
Am 28.04.2021 um 08:51 schrieb Bo Berglund:
Sometimes when I download a video it turns out to have some issues that has
raised the audio pitch of the video making it not so enjoyable to
On Wed, 28 Apr 2021 09:03:26 +0200, Michael Koch
wrote:
>Am 28.04.2021 um 08:51 schrieb Bo Berglund:
>> Sometimes when I download a video it turns out to have some issues that has
>> raised the audio pitch of the video making it not so enjoyable to watch/hear.
>> So I wonder if there is an
Am 28.04.2021 um 08:51 schrieb Bo Berglund:
Sometimes when I download a video it turns out to have some issues that has
raised the audio pitch of the video making it not so enjoyable to watch/hear.
So I wonder if there is an ffmpeg command that can modify the pitch of the audio
without changing
Sometimes when I download a video it turns out to have some issues that has
raised the audio pitch of the video making it not so enjoyable to watch/hear.
So I wonder if there is an ffmpeg command that can modify the pitch of the audio
without changing the playback speed or lipsync?
I know some
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