Oops
Begin forwarded message:
Date: Tue, 29 Sep 2020 05:19:54 +0200
From: Ralf Mardorf <ralf.mardorf@xxxxxxxxxxxx>
To: alsa-user@xxxxxxxxxxxxxxxxxxxxx
Subject: PS: arecord command line options
>It's for 24 bit, 192000 Hz sample rate. FWIW professional
>studio audio recordings are usually done at 48000 Hz.
>A sample rate > 48000 Hz doesn't gain better audio quality. To increase
>audio quality you need to replace the prosumer by a professional audio
>interface. Even if the E-MU 0202 USB should use good converters, it
>much likely suffers from a not that good analog component. Loosely
>speaking, recording frequencies that are inaudible for humans and/or
>not playable by analog audio equipment, doesn't increase the audio
>quality. It's common to cut frequencies that are inaudible for good
>reasons. When taking photos or when filming you don't increase the
>image quality by including ultraviolet light, actually it's better to
>get rid of ultraviolet light.
>Again loosely speaking, the higher the bit rate, the better, but very
^^^^^^^^ this should read bit
depth ;)
>high bit rates are just an advantage for further processing, not for
^^^^^^^^^
>just playing and listening.
>In short, with your device you much likely get the best result with 24
>bit, 48000 Hz. When using a sample rate > 48000 Hz you unlikely will
>benefit from a possible advantage, you more likely will suffer from
>a possible negative side effect
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