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<blockquote style="position: relative; padding-left: 55px;"><section><a href="https://mastodon.world/users/exchgr/statuses/110124637606208040">elle mundy (exchgr@mastodon.world)'s status on Sunday, 02-Apr-2023 02:08:53 JST</a><a href="https://mastodon.world/@exchgr" title="exchgr@mastodon.world"><img src="https://gnusocial.jp/avatar/88195-48-20230215145321.webp" width="48" height="48" alt="elle mundy" style="position: absolute; left: 0; top: 0;">elle mundy</a><div><a href="https://mastodon.social/@conniptions/110124611415277612" rel="in-reply-to">in reply to</a><ul><li><li><a href="https://gnusocial.jp/user/53259" title="inthehands@hachyderm.io">Paul Cantrell</a></li><li><a href="https://gnusocial.jp/user/82198" title="conniptions@mastodon.social">Wayne Myers</a></li></ul></div></section><article><p><a href="https://mastodon.social/@conniptions">@conniptions</a> <a href="https://hachyderm.io/@inthehands">@inthehands</a> <a href="https://hachyderm.io/@mekkaokereke">@mekkaokereke</a> yeah, i think that’s not really true. when sampling, it goes through a low-pass filter that discards frequencies above something slightly lower than half the sample rate. i think the same is true for downsampling <a href="https://en.m.wikipedia.org/wiki/44,100_Hz#Human_hearing_and_signal_processing" rel="nofollow noreferrer">https://en.m.wikipedia.org/wiki/44,100_Hz#Human_hearing_and_signal_processing</a></p></article><footer><a rel="bookmark" href="https://gnusocial.jp/conversation/1363969#notice-2819321">In conversation</a><time datetime="2023-04-02T02:08:53+09:00" title="Sunday, 02-Apr-2023 02:08:53 JST">Sunday, 02-Apr-2023 02:08:53 JST</time> <span>from <span><a href="https://mastodon.world/@exchgr/110124637606208040" rel="external" title="Sent from mastodon.world via ActivityPub">mastodon.world</a></span></span><a href="https://mastodon.world/@exchgr/110124637606208040">permalink</a><h4>Attachments</h4><ol><li><article><header><div>Domain not in remote thumbnail source whitelist: upload.wikimedia.org</div><h5><a href="https://en.m.wikipedia.org/wiki/44,100_Hz#Human_hearing_and_signal_processing">44,100 Hz</a></h5><div></div></header><div>In digital audio, 44,100 Hz (alternately represented as 44.1 kHz) is a common sampling frequency. Analog audio is often recorded by sampling it 44,100 times per second, and then these samples are used to reconstruct the audio signal when playing it back.
The 44.1 kHz audio sampling rate is widely used due to the compact disc (CD) format, dating back to its use by Sony from 1979.HistoryThe 44.1 kHz sampling rate originated in the late 1970s with PCM adaptors, which recorded digital audio on video cassettes, notably the Sony PCM-1600 introduced in 1979 and carried forward in subsequent models in this series. This then became the basis for Compact Disc Digital Audio (CD-DA), defined in the Red Book standard in 1980. Its use has continued as an option in 1990s standards such as the DVD, and in 2000s, standards such as HDMI. This sampling frequency is commonly used for MP3 and other consumer audio file formats which were originally created from material ripped from compact discs.Origin
The selection of the sample rate was based primarily on the need to reproduce the audible...</div><footer></footer></article></li></ol></footer></blockquote>

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elle mundy (exchgr@mastodon.world)'s status on Sunday, 02-Apr-2023 02:08:53 JSTelle mundy
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@conniptions @inthehands @mekkaokereke yeah, i think that’s not really true. when sampling, it goes through a low-pass filter that discards frequencies above something slightly lower than half the sample rate. i think the same is true for downsampling https://en.m.wikipedia.org/wiki/44,100_Hz#Human_hearing_and_signal_processing
In conversationSunday, 02-Apr-2023 02:08:53 JST from mastodon.worldpermalink
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  44,100 Hz
  In digital audio, 44,100 Hz (alternately represented as 44.1 kHz) is a common sampling frequency. Analog audio is often recorded by sampling it 44,100 times per second, and then these samples are used to reconstruct the audio signal when playing it back. The 44.1 kHz audio sampling rate is widely used due to the compact disc (CD) format, dating back to its use by Sony from 1979. History The 44.1 kHz sampling rate originated in the late 1970s with PCM adaptors, which recorded digital audio on video cassettes, notably the Sony PCM-1600 introduced in 1979 and carried forward in subsequent models in this series. This then became the basis for Compact Disc Digital Audio (CD-DA), defined in the Red Book standard in 1980. Its use has continued as an option in 1990s standards such as the DVD, and in 2000s, standards such as HDMI. This sampling frequency is commonly used for MP3 and other consumer audio file formats which were originally created from material ripped from compact discs. Origin The selection of the sample rate was based primarily on the need to reproduce the audible...

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