Ropet Posted January 2, 2020 Share Posted January 2, 2020 My besr friend bought a new Bryston BDP-3. It works and sounds great except on issue. When shifting from pcm to dsd there is a very disturbing short noise, like a "shortcut". The other way around is not a problem. Unfortunately he does not get answers from Bryston. Anyone having an idea? Link to comment
Ryan Berry Posted January 3, 2020 Share Posted January 3, 2020 Hi Ropet, Ticks or pops heard when switching between DSD and PCM is pretty common in DSD-capable DACs. When the mode is switched, the DAC mode is changed or reset to play the new format which immediately sets the DAC's output to 0 before playback begins. Since output preceding the transition is usually not 0, the tick/pop is often an event of going from some value to 0 immediately. As each track and timing varies, this can turn into a tick or pop that's sometimes louder and sometimes quieter, but almost always fairly annoying unless dealt with in some way. I've never heard this problem completely eliminated in a DSD-capable DAC, but there's things manufacturers do to reduce or mask it as much as possible to keep it minimized. I can't speak for what Bryston does in their units, how bad this noise is that you're experiencing, or even if this is what you're encountering when you describe a "short noise", of course, but I'm afraid it's not likely a simple switch on your end to make it go away. Cheers, Ryan Berry President Ayre Acoustics, Inc. Link to comment
One and a half Posted January 4, 2020 Share Posted January 4, 2020 One trick is to extend the buffering time in the computer’s player a little longer. Give the time at least 5s , then reduce until the tick is audible, then set one more second. This is called a number of things, transition, dwell or buffer are some. AS Profile Equipment List Say NO to MQA Link to comment
Norton Posted January 4, 2020 Share Posted January 4, 2020 The BDP3 is a file player/streamer, not a DAC. I would imagine the noise comes from whatever DAC is being used, rather than the BDP. I’ve experienced with various DACs,most likely down to sound of relays switching and/or momentary drop out between dropping PCM and latching on to DSD stream, Probably nothing to be concerned about. Link to comment
Ropet Posted January 4, 2020 Author Share Posted January 4, 2020 @Norton 14 minutes ago, Norton said: The BDP3 is a file player/streamer, not a DAC Sorry, my mistake. It is a BDA-3 with AK 4490EQ dac. Link to comment
Norton Posted January 4, 2020 Share Posted January 4, 2020 1 hour ago, Ropet said: @Norton Sorry, my mistake. It is a BDA-3 with AK 4490EQ dac. as above, it may be annoying but far from uncommon and I think nothing to be worried about. However, in my experience Bryston’s customer service is exemplary. If still concerned I’d suggest going back to the dealer as this is a new item, or else dropping James Tanner a PM at the Bryston Audiocircle: https://www.audiocircle.com/index.php?board=57.0 Link to comment
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