64-bits floating point audio engine, needwant, when?

A few daws support this! Presonus S1 being one of them explains this like this. And no, this doesn't have anything to with the host being 64-bits to be able to access more RAM.
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Mix magazine (“When I’m Sixty-Four [Bit]” by Ron Franklin, October 2005) explains 64-bit process precision:
“In digital audio, sound gets turned into numbers. So it comes down to how big a number you can represent with a single digital word:
32 = 4,294,967,296
64 = 18,446,744,073,729,551,616
“Anyone who has used a sampler or recorded digital audio knows that the more bits you use to represent an audio sample, the more dynamic range you can represent. Dynamic range is proportional to word length:
32-bit = 192 dB 64-bit = 384 dB
“When digital processing for audio occurs, the math involved can produce some very large values, as coefficients are computed for processing digital audio signals. With 32-bit processing really big values get truncated or rounded off when they’re bigger than the registers available to store them. Thus, one of the great benefits of 64-bit internal processing is that a high degree of audio precision can be maintained through successive rounds of computation.”
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bjoeri 2 years ago | 0 comments

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