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In Reply to: RE: Cassettes generally have considerably better dynamic range than either LP or CD. Nt posted by kyle on April 23, 2021 at 06:53:32
Dynamic range is kind of a deceiving spec..... Sure CD has a dynamic range of 96dB, which has to do with the dB reference from the 16 bits turned off to the bits all turned on...... Analog dynamic range is often referenced to the noise floor, with no consideration of the signal being audible *below* the noise floor.... Vinyl's dynamic range is often understated for that reason.....
Cassettes have a noise floor as well and use Dolby C (or other noise reduction variants) to improve S/N ratio and dynamic range.... But unlike vinyl mastered off a good 15 or 30 ips open reel mastering machine, the Dolby tracking on cassettes just isn't linear by comparison, the signal at lower levels just doesn't track well with what it was on a good analog master tape..... So I would disagree that dynamic range of cassette tape (especially when using non-metal formulations) is superior to that of LP or CD. The dynamic gradations below the noise floor of a good open reel master just cannot be captured and preserved on cassette tape.
Follow Ups:
The trouble with your analysis like many such analyses is that the 90 dB spec that has been touted for CDs ever since they were introduced 40 years ago is that the spec is theoretical. In practice the actual dynamic range is much less.It's like a company claiming its sports car can do 150 miles an hour but where you live the roads are all curves so if you try to drive over 55 you'll go off the road like Tiger.
Much much less in many cases due to the Loudness Wars that involves overly aggressive dynamic range compression. Haven't you been paying attention? The perceived dynamic range of many cassettes is consequently greater than the DR perceived on many CDs.
Dynamic Range Database (read 'em and weep)
Edits: 04/25/21 04/25/21
You are saying that there is only like say 10-15db difference between the sound of a needle scraping and a loud passage? Just about everything that is said about the subject is complete bs?
"It was zero threat, right from the start, it was zero threat" Alfred E. Neuman
Are you drunk whilst posting? I never said or implied any such thing.
Edits: 04/28/21
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