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Audio and Video Talk
Digital
So what do you actually listen for in a DAC?
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<blockquote data-quote="amirm" data-source="post: 835428" data-attributes="member: 20181"><p>There is no intelligence in a DAC. It performs no analysis of "information" in audio samples. It doesn't care if you give it a pure sine wave or random noise. All audio samples go into the same machine with the same predicted effect.</p><p></p><p>It is your mind that differentiates between those two types of music, not the DAC.</p><p></p><p>In general digital systems have no problem reproducing loud signals. It is when the signal gets weak that some DACs have trouble. To that end, an acoustic guitar pick that decays into background silence makes an excellent test signal. The heavy metal that is constantly loud, not so much. When a lot is going perceptual masking also covers low level signals. That is another reason you don't want to use a busy signal like metal.</p><p></p><p>In general differences between DACs if they are audible at all, are extremely subtle and is unlikely that people without training can tell them apart.</p></blockquote><p></p>
[QUOTE="amirm, post: 835428, member: 20181"] There is no intelligence in a DAC. It performs no analysis of "information" in audio samples. It doesn't care if you give it a pure sine wave or random noise. All audio samples go into the same machine with the same predicted effect. It is your mind that differentiates between those two types of music, not the DAC. In general digital systems have no problem reproducing loud signals. It is when the signal gets weak that some DACs have trouble. To that end, an acoustic guitar pick that decays into background silence makes an excellent test signal. The heavy metal that is constantly loud, not so much. When a lot is going perceptual masking also covers low level signals. That is another reason you don't want to use a busy signal like metal. In general differences between DACs if they are audible at all, are extremely subtle and is unlikely that people without training can tell them apart. [/QUOTE]
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Audio and Video Talk
Digital
So what do you actually listen for in a DAC?
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