Typically, the full range of hearing can be reproduced using the frequencies 
from 20 Hz to 20 KHz. Sound must be sampled at least double the highest 
frequency present that needs to be reproduced, 44.1k (twice 20 kHz plus a 
little extra) samples/second for good music quality.

The average human ear can differentiate approximately 90dB of range from the 
softest sounds to the loudest. Eight bits gives 48dB of range while 16 bits 
gives 96 dB of range and is often used for sampling digital audio.

Modern BT can achieve 328kb/s easily competing with wire.


Sent from my iPhone

>> On Dec 17, 2016, at 10:23 AM, EVDL Administrator via EV <[email protected]> 
>> wrote:
>> 
>> On 17 Dec 2016 at 8:36, paul dove via EV wrote:
>> 
>> The human ear cannot usually detect the differences
> 
> Not to send this too far off topic, but it depends on WHOSE ear.  It's an 
> individual matter.  For example, I don't consider myself a "golden-ear," but 
> I seem to be unusually sensitive to data compression artifacts in audio.  I 
> can definitely hear the difference.  
> 
> That said, in a moving car, the noise masks a lot of the difference -- 
> though probably less in an EV with no enginre noise.
> 
> 
> David Roden - Akron, Ohio, USA
> EVDL Administrator
> 
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