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Chord Hugo M Scaler manual
Chord Hugo M Scaler technologie
The world’s most advanced filter: WTA — a lifetime goal of >1,000,000 taps reached!
The Hugo M Scaler is based around the powerful new Xilinx XC7A200T FPGA, which benefits from 740 DSP cores. The enormous processing power of the device has enabled a key breakthrough in tap-length (the technical indicator of how complex the interpolation filter is). Rob Watts has eclipsed a lifetime goal of >1M taps (Hugo M Scaler has 1,015,808 WTA taps or coefficients) in the latest version of the WTA (Watts Transient Alignment) filter.
The ground-breaking figure of over 1M taps, first conceived by Watts back in 1981 to be, “essential for digital to sound good, as this allows 16-bit interpolation accuracy“, has enabled the development of sophisticated WTA filtering and upscaling algorithms allowing digital data to be output at up to 768kHz.
Perfect construction of the analogue waveform: an infinite tap-length filter
To perfectly reconstruct an analogue signal, an infinite tap-length filter is required. The original Chord Electronics DAC 64 (1999) had 1,024 taps; Hugo (2013) 26,000 and DAVE (2015) 164,000. Each successive increase in tap-length, together with continuous improvements to the WTA algorithm, has given significantly better sound quality. This ground-breaking tap-length capability enables CD-quality audio to be reproduced where the interpolated output is guaranteed to be better than 16 bits; conventional filters are no better than 2- or 3-bit-accurate in recovering transient timing information.
This technical milestone takes transient accuracy to a completely unprecedented level: it becomes simpler to perceive the leading edge of transient notes, creating a life-like sound-field. Bass definition is massively improved, with greater ability to follow the tune. Soundstaging, instrument separation and focus are also noticeably better, along with vastly improved variation in instrument timbre.
Meer informatie over de Chord Hugo M Scaler vind je ook op de website van Chord.
Aanvullende Informatie
toepassing | geluid, streamer, da-converter |
---|---|
connector(s) | BNC, USB-B, Toslink |
fabrikant | Chord Electronics |
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