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DIY & Tutorials
DIY For Audio
Long-term active speaker project
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<blockquote data-quote="pwatts" data-source="post: 1163177" data-attributes="member: 146"><p>Next up are the two OEM boards: a McFifo and McDualXO board from IanCanada. Nifty things but was a costly exercise. The McFiFo buffers incoming audio from my digital input card in a large memory bank with an FPGA and reclocks it according to a new reference clock. This is not the same as asynchronous sample rate conversion but a much more elegant method as it does not manipulate the audio data like ASRCs do. Stacked on top of the McFifo is a McDualXO, which is a very good clock distribution module to provide the reclocking signals. The clock module is mounted on anti-vibration grommets and all digital signals travel with 6GHz-capable coaxial cables.</p><p></p><p>Also useful is using a 3D printer to verify the exact hole locations before CNC'ing the rear plate. Here it is mounted in place.</p></blockquote><p></p>
[QUOTE="pwatts, post: 1163177, member: 146"] Next up are the two OEM boards: a McFifo and McDualXO board from IanCanada. Nifty things but was a costly exercise. The McFiFo buffers incoming audio from my digital input card in a large memory bank with an FPGA and reclocks it according to a new reference clock. This is not the same as asynchronous sample rate conversion but a much more elegant method as it does not manipulate the audio data like ASRCs do. Stacked on top of the McFifo is a McDualXO, which is a very good clock distribution module to provide the reclocking signals. The clock module is mounted on anti-vibration grommets and all digital signals travel with 6GHz-capable coaxial cables. Also useful is using a 3D printer to verify the exact hole locations before CNC'ing the rear plate. Here it is mounted in place. [/QUOTE]
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DIY & Tutorials
DIY For Audio
Long-term active speaker project
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