https://lavryengineering.com/wiki/index.php?title=CD_quality&feed=atom&action=historyCD quality - Revision history2024-03-28T19:02:39ZRevision history for this page on the wikiMediaWiki 1.35.1https://lavryengineering.com/wiki/index.php?title=CD_quality&diff=1536&oldid=prevBrad Johnson at 23:28, 9 August 20172017-08-09T23:28:57Z<p></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 23:28, 9 August 2017</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Overview==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Overview==</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>The term <nowiki>"CD Quality"</nowiki> is used to describe a digital recording at a <del class="diffchange diffchange-inline">sample </del>frequency of 44.1kHz and <del class="diffchange diffchange-inline">word length </del>of 16 <del class="diffchange diffchange-inline">bits</del>.</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>The term <nowiki>"CD Quality"</nowiki> is used to describe a digital recording at a <ins class="diffchange diffchange-inline">[[Sample </ins>frequency<ins class="diffchange diffchange-inline">]] </ins>of 44.1kHz and <ins class="diffchange diffchange-inline">[[Wordlength]] </ins>of 16 <ins class="diffchange diffchange-inline">[[bit]]s</ins>.</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">==Related Topics==</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">[[Quantization]]</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[PCM]]</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==History==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==History==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>In the early days of digital audio, there were many different systems manufactured by different companies; and computer technology was advancing rapidly. In order to make a viable product for consumer applications, SONY and Phillips worked together to develop Compact Disc technology or the "CD" in the early 1980's. At the time it was decided that, based on the dynamic range of analog recording systems, the theoretical dynamic range of 96dB made 16 bit resolution acceptable for high fidelity applications. A sample frequency of 44.1kHz was adequate to record audio signals up to 20kHz, and worked well with the video systems used to record and edit the digital audio in the process of making the CD master tape.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>In the early days of digital audio, there were many different systems manufactured by different companies; and computer technology was advancing rapidly. In order to make a viable product for consumer applications, SONY and Phillips worked together to develop Compact Disc technology or the "CD" in the early 1980's. At the time it was decided that, based on the dynamic range of analog recording systems, the theoretical dynamic range of 96dB made 16 bit resolution acceptable for high fidelity applications. A sample frequency of 44.1kHz was adequate to record audio signals up to 20kHz, and worked well with the video systems used to record and edit the digital audio in the process of making the CD master tape.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Basics==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Basics==</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>As the general public became familiar with digital audio through listening to CD's, the term <nowiki>"CD Quality"</nowiki> was coined to describe a digital recording with a sample frequency of 44.1kHz and word length of 16 bits. As other formats such as MP3 came into popular use, the term started being miss-used to describe other formats that were "as-good-as" according to someone (?) For example, to less discriminating listeners an MP3 sounded “as good as” a CD; so the term CD Quality was misused to describe an MP3 file.</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>As the general public became familiar with digital audio through listening to CD's, the term <nowiki>"CD Quality"</nowiki> was coined to describe a <ins class="diffchange diffchange-inline">linear [[PCM]] </ins>digital recording with a sample frequency of 44.1kHz and word length of 16 bits. As other formats such as MP3 came into popular use, the term started being miss-used to describe other formats that were "as-good-as" according to someone (?) For example, to less discriminating listeners an MP3 sounded “as good as” a CD; so the term CD Quality was misused to describe an MP3 file<ins class="diffchange diffchange-inline">. MP3 is a form of [[Lossy data compression]]</ins>.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>It quickly became apparent to professional engineers that 16 bit recordings did not have adequate resolution to capture high quality analog audio, and professional systems evolved to work with 24 bit resolution on input and output and higher resolutions internally (32 -64 bit).</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>It quickly became apparent to professional engineers that 16 bit recordings did not have adequate resolution to capture high quality analog audio, and professional systems evolved to work with 24 bit resolution on input and output and higher resolutions internally (32 -64 bit).</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Although sample frequencies higher than 44.1 kHz offer advantages during conversion to and from digital audio; they are not necessary to increase the accuracy of audio signals. Thus sample rates in the range of 88.2 to 96 kHz offer advantages in conversion over 44.1 or 48 kHz; but sample rates higher than 96kHz do not offer increased accuracy of audio conversion.</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Although sample frequencies higher than 44.1 kHz offer advantages during conversion to and from digital audio <ins class="diffchange diffchange-inline">and in [[DSP]]</ins>; they are not necessary to increase the accuracy of audio signals. Thus sample rates in the range of 88.2 to 96 kHz offer advantages in conversion over 44.1 or 48 kHz; but sample rates higher than 96kHz do not offer increased accuracy of audio conversion.</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">[http://www.lavryengineering.com/pdfs/lavry-white-paper-the_optimal_sample_rate_for_quality_audio.pdf Click here for more information on the Optimum Sample Rate for Quality Audio]</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Terminology]]</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Terminology]]</div></td></tr>
</table>Brad Johnsonhttps://lavryengineering.com/wiki/index.php?title=CD_quality&diff=120&oldid=prevBrad Johnson at 21:33, 24 February 20122012-02-24T21:33:05Z<p></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 21:33, 24 February 2012</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>It quickly became apparent to professional engineers that 16 bit recordings did not have adequate resolution to capture high quality analog audio, and professional systems evolved to work with 24 bit resolution on input and output and higher resolutions internally (32 -64 bit).</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>It quickly became apparent to professional engineers that 16 bit recordings did not have adequate resolution to capture high quality analog audio, and professional systems evolved to work with 24 bit resolution on input and output and higher resolutions internally (32 -64 bit).</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Although sample frequencies higher than 44.1 kHz offer advantages during conversion to and from digital audio; they are not necessary to increase the accuracy of audio signals. Thus sample rates in the range of 88.2 to 96 kHz offer advantages in conversion over 44.1 or 48 kHz; but sample rates higher than 96kHz do not offer increased accuracy of audio conversion.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Although sample frequencies higher than 44.1 kHz offer advantages during conversion to and from digital audio; they are not necessary to increase the accuracy of audio signals. Thus sample rates in the range of 88.2 to 96 kHz offer advantages in conversion over 44.1 or 48 kHz; but sample rates higher than 96kHz do not offer increased accuracy of audio conversion.</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[Category:Terminology]]</ins></div></td></tr>
</table>Brad Johnsonhttps://lavryengineering.com/wiki/index.php?title=CD_quality&diff=109&oldid=prevBrad Johnson at 00:50, 1 February 20122012-02-01T00:50:07Z<p></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 00:50, 1 February 2012</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l3" >Line 3:</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==History==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==History==</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>In the early days of digital audio, there were many different systems manufactured by different companies; and computer technology was advancing rapidly. In order to make a viable product for consumer applications, SONY and Phillips worked together to develop Compact Disc technology or the "CD" in the early 1980's. At the time it was decided that, based on the dynamic range of analog recording systems, the theoretical dynamic range of 96dB made 16 bit resolution acceptable for high fidelity applications. A sample frequency of 44.1kHz was adequate to record audio signals up to 20kHz and worked well with the video systems used to record and edit the digital audio in the process of making the CD master tape.</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>In the early days of digital audio, there were many different systems manufactured by different companies; and computer technology was advancing rapidly. In order to make a viable product for consumer applications, SONY and Phillips worked together to develop Compact Disc technology or the "CD" in the early 1980's. At the time it was decided that, based on the dynamic range of analog recording systems, the theoretical dynamic range of 96dB made 16 bit resolution acceptable for high fidelity applications. A sample frequency of 44.1kHz was adequate to record audio signals up to 20kHz<ins class="diffchange diffchange-inline">, </ins>and worked well with the video systems used to record and edit the digital audio in the process of making the CD master tape.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Basics==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Basics==</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>As the general public became familiar with digital audio through listening to CD's,</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>As the general public became familiar with digital audio through listening to CD's, <ins class="diffchange diffchange-inline">the term <nowiki>"CD Quality"</nowiki> was coined to describe a digital recording with a sample frequency of 44.1kHz and word length of 16 bits. As other formats such as MP3 came into popular use, the term started being miss-used to describe other formats that were "as-good-as" according to someone (?) For example, to less discriminating listeners an MP3 sounded “as good as” a CD; so the term CD Quality was misused to describe an MP3 file.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">It quickly became apparent to professional engineers that 16 bit recordings did not have adequate resolution to capture high quality analog audio, and professional systems evolved to work with 24 bit resolution on input and output and higher resolutions internally (32 -64 bit).</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">Although sample frequencies higher than 44.1 kHz offer advantages during conversion to and from digital audio; they are not necessary to increase the accuracy of audio signals. Thus sample rates in the range of 88.2 to 96 kHz offer advantages in conversion over 44.1 or 48 kHz; but sample rates higher than 96kHz do not offer increased accuracy of audio conversion.</ins></div></td></tr>
</table>Brad Johnsonhttps://lavryengineering.com/wiki/index.php?title=CD_quality&diff=108&oldid=prevBrad Johnson at 00:35, 1 February 20122012-02-01T00:35:10Z<p></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 00:35, 1 February 2012</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Overview==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Overview==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The term <nowiki>"CD Quality"</nowiki> is used to describe a digital recording at a sample frequency of 44.1kHz and word length of 16 bits.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The term <nowiki>"CD Quality"</nowiki> is used to describe a digital recording at a sample frequency of 44.1kHz and word length of 16 bits.</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>==</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>==<ins class="diffchange diffchange-inline">History==</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">In the early days of digital audio, there were many different systems manufactured by different companies; and computer technology was advancing rapidly. In order to make a viable product for consumer applications, SONY and Phillips worked together to develop Compact Disc technology or the "CD" in the early 1980's. At the time it was decided that, based on the dynamic range of analog recording systems, the theoretical dynamic range of 96dB made 16 bit resolution acceptable for high fidelity applications. A sample frequency of 44.1kHz was adequate to record audio signals up to 20kHz and worked well with the video systems used to record and edit the digital audio in the process of making the CD master tape.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">==Basics==</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">As the general public became familiar with digital audio through listening to CD's,</ins></div></td></tr>
</table>Brad Johnsonhttps://lavryengineering.com/wiki/index.php?title=CD_quality&diff=107&oldid=prevBrad Johnson at 00:07, 1 February 20122012-02-01T00:07:55Z<p></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 00:07, 1 February 2012</td>
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<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>==Overview==The term <nowiki>"CD Quality"</nowiki> is used to describe a digital recording at a sample frequency of 44.1kHz and word length of 16 bits.</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>==Overview==</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>The term <nowiki>"CD Quality"</nowiki> is used to describe a digital recording at a sample frequency of 44.1kHz and word length of 16 bits.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==</div></td></tr>
</table>Brad Johnsonhttps://lavryengineering.com/wiki/index.php?title=CD_quality&diff=106&oldid=prevBrad Johnson: Created page with "==Overview==The term <nowiki>"CD Quality"</nowiki> is used to describe a digital recording at a sample frequency of 44.1kHz and word length of 16 bits. =="2012-02-01T00:07:01Z<p>Created page with "==Overview==The term <nowiki>"CD Quality"</nowiki> is used to describe a digital recording at a sample frequency of 44.1kHz and word length of 16 bits. =="</p>
<p><b>New page</b></p><div>==Overview==The term <nowiki>"CD Quality"</nowiki> is used to describe a digital recording at a sample frequency of 44.1kHz and word length of 16 bits.<br />
==</div>Brad Johnson