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From: "Måns Rullgård" <>
To: Matt Flax <>
Subject: Re: 64bit audio read and write
Date: Wed, 06 Jul 2016 12:41:16 +0100	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <> (Matt Flax's message of "Wed, 6 Jul 2016 19:57:37 +1000")

Matt Flax <> writes:

> On 06/07/16 17:29, Eric Wong wrote:
>> I'm not up-to-date with the latest technology, but even 32-bit
>> is far beyond the range of human hearing; and last I checked;
>> available ADC/DACs can't even make full use of 24-bit (nor
>> our ears).
> 120 dB SPL (threshold of discomfort) is around 20 billion times louder 
> then 20 dB SPL (a whisper). That is approximately 24 bits.
> However, we can hear down to 10 dB SPL, or lower for young people ... 
> that is approximately 40 bits of dynamic range.

120 dB is outright painful and damages the ears.  100 dB is already

You should also check your calculations.  With your limits, the required
dynamic range would be 110 dB, which comes out to 20 bits with a bit of

Måns Rullgård

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  reply	other threads:[~2016-07-06 11:41 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-06  0:02 64bit audio read and write Matt Flax
2016-07-06  7:29 ` Eric Wong
2016-07-06  9:57   ` Matt Flax
2016-07-06 11:41     ` Måns Rullgård [this message]
2016-07-06 12:16       ` Matt Flax
2016-07-06 12:22         ` Måns Rullgård
2016-09-19 21:20 ` Jan Stary

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