From: Ivan Riabtsov <ivriabtsov@gmail.com>
To: Greg KH <greg@kroah.com>, kernelnewbies@kernelnewbies.org
Subject: Re: grab raw data from microphone and send it to the output
Date: Sun, 7 Feb 2021 18:51:50 +0300 [thread overview]
Message-ID: <CAKAnv4FgOT_WGKa2yjHgHVOqXP0_hshxqKm01f=-qFAD+4F9-w@mail.gmail.com> (raw)
In-Reply-To: <YB/u68tN10xOaqw/@kroah.com>
well, I have a portable microphone and the main source of noise a TV,
which is a few meters behind my back, if i put a microphone (for
example) in the middle, between a laptop and a TV, it may be possible
to compensate for the delay, I repeat, this is all solely for the sake
of experiment.
вс, 7 февр. 2021 г. в 16:45, Greg KH <greg@kroah.com>:
>
> On Sun, Feb 07, 2021 at 04:38:08PM +0300, Ivan Riabtsov wrote:
> > I want to experiment with active noise cancellation, i want to receive
> > a wave from an input device (microphone), invert the wave and send it
> > to the output device (headphone or speaker). Therefore, I need a
> > minimum delay.
>
> Then I strongly suggest you look into a much smaller kernel, on a
> dedicated tiny microcontroller, as that's what systems that do this
> today use.
>
> But if you just want to try it with your laptop, good luck, latencies in
> your hardware itself are probably going to prevent this from being
> possible.
>
> greg k-h
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next prev parent reply other threads:[~2021-02-07 15:52 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-07 12:33 grab raw data from microphone and send it to the output Ivan Riabtsov
2021-02-07 12:50 ` Greg KH
2021-02-07 13:38 ` Ivan Riabtsov
2021-02-07 13:45 ` Greg KH
2021-02-07 15:51 ` Ivan Riabtsov [this message]
2021-02-07 12:55 ` Pouya Abbassi
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