[arm-allstar] Fwd: New Channel Driver Code in Debelopment

[larry]

Reading these comments and being one of the older selective hearing folks.

I would add that Speaker quality/response also come into play for any 
listener.

So far all my C-Media fobs (regardless of brand) have produced excellent 
audio.

Larry - N7FM

On 4/29/22 6:09 PM, "David McGough via ARM-allstar" wrote:
> David,
>
> The CM108/CM119 isn't the limiting factor.  These adapters are already
> running at a 48KHz sample rate, roughly flat frequency response from 30Hz
> to 18KHz+ and 80dB+ usable dynamic range.  Here is one review of a bargain
> CM119 fob.  This is an "audiophile" review and they call this fob
> "marginal."  ....For AllStar, we're not trying to re-play a rock concert
> through a 5KW sound system! (At least I'm not doing that!!!)
>
> https://nwavguy.blogspot.com/2011/11/c-media-cm119-dac.html
>
> This performance is FAR beyond even high-quality broadcast FM radio.
>
> NOTE that some AllStar-centric audio fobs (like the DMK URI)  include
> hardware filters that limit the frequency response.  However,  they won't
> impact communications-grade audio, either.
>
>
> 73, David K4FXC
>
>
>
> On Fri, 29 Apr 2022, "David McAnally via ARM-allstar" wrote:
>
>> Is our choice of a cheap audio hardware interface playing a role in the
>> lack of desired frequency response? I may not be up to speed on the latest
>> USB audio dongles in use, but a quick search on the CM108 for audio
>> frequency response plots doesn't look all that impressive, at least if you
>> plan on pushing limits.
>>
>> David McAnally, WD5M
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