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Audio and Video Talk
Cable Talk
Digital half way around the world, but 1m USB cables corrupts a digital signal?
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<blockquote data-quote="Carnajo" data-source="post: 1012114" data-attributes="member: 4842"><p>There are 2 things that can have a (proven) impact</p><p></p><p>1) If the USB cable is also delivering power to the DAC it can contribute to noise etc. if it is a bad cable. This is through the power (so not the digital music signal), especially if for example it is coming from a PC (as opposed to the usb cable giving power through a USB power supply).</p><p>2) All those check sums you mentioned, if the USB cable is particularly bad the DAC spends a lot of time (and processing power) doing those checks and then possible calling back for the source to resend new data, that can have an impact. For streaming services it may seem like the connection isn't good enough so it drops to slower bitrate, or it just causes issues.</p><p></p><p>Both depend on the quality of the DAC.</p><p></p><p>Here's some measurements of differences in USB cable that DO exist, but under specific circumstances:</p><p>https://www.audiosciencereview.com/forum/index.php?threads/do-usb-audio-cables-make-a-difference.1887/</p><p></p><p>Of course not many people want to admit their very expensive DAC is sensitive to noise... so rather say the cable is the problem :flame:</p><p>Jokes aside though, lots of expensive things are indeed more sensitive, cheap t-shirts get machine washed, expensive silk gets dry-cleaned.</p></blockquote><p></p>
[QUOTE="Carnajo, post: 1012114, member: 4842"] There are 2 things that can have a (proven) impact 1) If the USB cable is also delivering power to the DAC it can contribute to noise etc. if it is a bad cable. This is through the power (so not the digital music signal), especially if for example it is coming from a PC (as opposed to the usb cable giving power through a USB power supply). 2) All those check sums you mentioned, if the USB cable is particularly bad the DAC spends a lot of time (and processing power) doing those checks and then possible calling back for the source to resend new data, that can have an impact. For streaming services it may seem like the connection isn't good enough so it drops to slower bitrate, or it just causes issues. Both depend on the quality of the DAC. Here's some measurements of differences in USB cable that DO exist, but under specific circumstances: https://www.audiosciencereview.com/forum/index.php?threads/do-usb-audio-cables-make-a-difference.1887/ Of course not many people want to admit their very expensive DAC is sensitive to noise... so rather say the cable is the problem :flame: Jokes aside though, lots of expensive things are indeed more sensitive, cheap t-shirts get machine washed, expensive silk gets dry-cleaned. [/QUOTE]
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Audio and Video Talk
Cable Talk
Digital half way around the world, but 1m USB cables corrupts a digital signal?
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