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Audio and Video Talk
General Discussion
Some High Res Audio Truths
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<blockquote data-quote="pwatts" data-source="post: 1058010" data-attributes="member: 146"><p>I've concluded with both measurement and listening (plus just the numbers) that in short, on a DAC a properly mastered 24bit recording has merit over an otherwise identical 16bit one. Sample rate beyond 44kHz much less so and benign or inaudible/not measurable in most cases. As mentioned, different story altogether with ADC & mastering. </p><p></p><p>It's really easy for the keyboard warriors, take a genuine 24bit 192kHz recording (i.e. not just a processed one), and drop the sample rate and bit depth with software like Audacity (just add dither to the LSB). On a good system the bit depth truncation should be audible and definitely measurable. More interesting would then be to drop the bit depth one by one; the bulk of improvement should already be there by just extending to 18bits, once again for obvious reasons. Going beyond 20bit the noisefloor quickly starts to mask whatever detail was captured at that level.</p><p></p><p>Also to be pedantic, bit rate is an erroneous term when referring to bit depth.</p></blockquote><p></p>
[QUOTE="pwatts, post: 1058010, member: 146"] I've concluded with both measurement and listening (plus just the numbers) that in short, on a DAC a properly mastered 24bit recording has merit over an otherwise identical 16bit one. Sample rate beyond 44kHz much less so and benign or inaudible/not measurable in most cases. As mentioned, different story altogether with ADC & mastering. It's really easy for the keyboard warriors, take a genuine 24bit 192kHz recording (i.e. not just a processed one), and drop the sample rate and bit depth with software like Audacity (just add dither to the LSB). On a good system the bit depth truncation should be audible and definitely measurable. More interesting would then be to drop the bit depth one by one; the bulk of improvement should already be there by just extending to 18bits, once again for obvious reasons. Going beyond 20bit the noisefloor quickly starts to mask whatever detail was captured at that level. Also to be pedantic, bit rate is an erroneous term when referring to bit depth. [/QUOTE]
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Audio and Video Talk
General Discussion
Some High Res Audio Truths
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