[App_rpt-users] USB Adapter has no EEPROM installed

Corey Dean n3fe at repeater.net
Sun Nov 1 15:37:26 EST 2015


Please state some facts to show this! I have tested this with audio analyzes and have yet to see what you are talking about.  If this is the case then my users can't tell the difference either and I have some users work in the broadcast industry.  All I am asking for is proof.  Could people just not be setting this up right?  I have heard this and just not seen or heard the proof.  

Sent from my iPhone

> On Nov 1, 2015, at 2:56 PM, Fred Moore <fred at fmeco.com> wrote:
> 
> Cory, You might have your hearing checked, you most likely think d-star sounds good also.  
> 
> I never said USBradio was horrible, simply said usbradio audio is superior.  It's a subjective thing, most can hear the difference.. obviously you can't or you would not have made such a statement...   
> 
> The only answer to the argument you want.. Fred
> 
>> On 11/1/15 12:54 PM, Corey Dean wrote:
>> What degraded audio?  I have ran many many test and have yet to find this 'degraded audio'.    I have heard people talk about it but have yet seen any proof...
>> 
>> Sent from my iPhone
>> 
>> On Nov 1, 2015, at 12:32 PM, Fred Moore <fred at fmeco.com> wrote:
>> 
>>> Larry can't answer #1. 
>>> I simply program the radio to provide what I want on the accessory connector, then there is no EEPROM needed.
>>> 
>>> As for answer #2
>>> When you have COS and CTCSS (PL) available use simpleUSB it not only requires less processing power, it also does not suffer from degraded audio.  
>>> 
>>> Just add the file and stanza you need.. 
>>> 
>>> regards.. Fred
>>> 
>>>> On 11/1/15 6:21 AM, Larry da Ponte wrote:
>>>> Two questions for the group:
>>>> 
>>>> #1 I'm seeing this in my /var/log/asterisk - I'm using a DMK URI with EEPROM and a Motorola GM300 with one of Marshall's Motorola Maxtrac, GM300 and M120 16 Pin Radio to URI cables.
>>>> 
>>>> [Nov  1 11:30:05] NOTICE[6852] chan_usbradio.c: USB Adapter has no EEPROM installed or Checksum BAD on channel usb42372
>>>> 
>>>> I understand that the benefit of the DMK URI with EEPROM is that the interface configuration can be stored in the URI as apposed to (where else?) - is this URI EEPROM feature taken advantage of with app_rpt and associated drivers?
>>>> 
>>>> #2 How do I choose which channel driver to use - simpleusb or USBRadio?  From what I've been able to learn through varius wikis and posts on the subject, I would want to use simpleusb because all of the hardware connections for COS and CTCSS are provided so there is no reason to use the DSP features of USBRadio thus simplifying what the driver has to do and perhaps lowering the CPU utilization.  I've also read some posts that describe audio degredation in the USBRadio driver but I can't tell you the cause.  I expect the                   right answer here is for me to try out both and experiment - which I will do but would appreciate any wisdome from the group on their experience with these drivers when using the DMK URI and hardware connections for COS/CTCSS.  My current configuration below is getting favorable audio reports.
>>>> 
>>>> I have no simpleusb.conf in my /etc/asterisk
>>>> I have usbradio.conf and usbradio_tune_usb42372.conf
>>>> 
>>>> I have the following in my rpt.conf: rxchannel=Radio/usb42372
>>>> 
>>>> I have the following in my usbradio.conf:
>>>> 
>>>> [usb42372]
>>>> 
>>>> hdwtype=0	
>>>> rxboost=1
>>>> txboost=1
>>>> rxctcssrelax=1
>>>> txctcssdefault=71.9
>>>> rxctcssfreqs=71.9
>>>> txctcssfreqs=71.9
>>>> ;rxctcssoverride=0
>>>> carrierfrom=dsp
>>>> ctcssfrom=dsp
>>>> rxdemod=flat
>>>> txprelim=yes
>>>> txlimonly=no
>>>> txtoctype=notone
>>>> txmixa=composite
>>>> txmixb=no
>>>> invertptt=0
>>>> duplex=0
>>>> rxondelay=0
>>>> rxnoisefiltype=0
>>>> eeprom=1
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
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>>> 
>>> -- 
>>> Fred Moore
>>> email: fred at fmeco.com
>>>        fred at safes.com
>>> phone:  321-217-8699
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>> 
>> -- 
>> This message has been scanned for viruses and 
>> dangerous content by MailScanner, and is 
>> believed to be clean.
> 
> -- 
> Fred Moore
> email: fred at fmeco.com
>        fred at safes.com
> phone:  321-217-8699
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