Re: [slim] FM Radio

2022-02-23 Thread ian_heys


I use my RevoSuperConnect Radio Audio Out connected to The Audio In of
an IQAudio Codec+ and set up in pCp like this:

And with a favourite set in LMS like this:

Notes.

You can use the /W suffix to specify WAV output on the stream as well as
the /M or /F in the (more) notes on the gui. The latency is then about 1
second. (Thanks Ralphy for fixing this for me)


The audio output on this radio is always 100% and totally independent of
the radio's speaker volume control so the radio can be silent while
still streaming.

It streams anything the radio plays, in this case AM/DAB/FM/Internet
Radio etc etc so I have the entire FM band in high quality WAV format as
well as all the other options.

The IQAudio parts are now part of the Raspberry Pi line-up but last time
I checked they weren't producing the Codec+ but I believe there is an
equivalent Hifi Berry card.


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*Study Server/Player:* LMS 8.2.0 on Pi 4B pCp 8.1.0/IQ Audio DAC+
*Refurbished 1962 RCA Stereo Console Player *pCp 8.1.0 on Pi4b/IQ Audio
DAC+
*LAN Player* pCp 8.1.0 on Pi 3B / IQ Audio DAC+
*LAN Player/ADC* pCp 8.1.0 on Pi 3B / IQ audio Codec +
*PC Players: x2: *Squeezelite on Windows 10 PC.

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Re: [slim] FM Radio

2022-02-23 Thread pjc8151


I feed the output of a Sony XDR-F1HD into the audio in of the PC and use
the Wave Input plugin, works great. Just added a BroadLink RM-3 mini to
control it remotely, that part works OK.



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Re: [slim] New User Limits?

2022-02-23 Thread Royallie


thanks for the info



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Re: [slim] FM Radio

2022-02-23 Thread Jeff07971


I have a Pi 3B v1.2 with 2 SDR radios on it.

One is a dump1090 ADS-B receiver where decoding and tuning are done by
the Pi.

The other uses rtl-tcp which sends data to SDR# on my windows desktop
for decoding.

As you can see its fairly heavy on CPU but this is a Pi 3 !

37306

You may want to check out rtl_fm for command line tune/fm decode

http://kmkeen.com/rtl-demod-guide/index.html

Jeff
.


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Re: [slim] FM Radio

2022-02-23 Thread bpa


markiii wrote: 
> likely infrastructure would be a raspbian os on a PI 4 which would run
> LMS and Squeezlite and a browser for material all on the same box, any
> reason off hand that wouldn't work/have issues?
There are lots of people who have used SDR on Pi4. I'm not sure of the
performance - SDR means lots of processing by a CPU instead of hardware.
SDR works on most radio frequencies so FM users may be a niche.

Some of the google results from Pi4 and SDR 

https://jeremyclark.ca/wp/telecom/rtl-sdr-on-raspberry-pi4/
https://www.youtube.com/watch?v=M3TFKiE2Epw

> I get the impression that the absolute frequency of a station needs
> defining up front, so i assume theres is no scope for on the fly tuning?
> or correction of frequency drift by location?
Everything is possible since it is all software.

I think scanning for frequencies is one function - once scanned then you
can tune into found frequencies. 

Frequency drift - I reckon somebody will have done that but maybe it
takes more than a pi4.



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Re: [slim] FM Radio

2022-02-23 Thread markiii


thanks for that interesting read.

couple of questions

likely infrastructure would be a raspbian os on a PI 4 which would run
LMS and Squeezlite and a browser for material all on the same box, any
reason off hand that wouldn't work/have issues?

I get the impression that the absolute frequency of a station needs
defining up front, so i assume theres is no scope for on the fly tuning?
or correction of frequency drift by location?



PiCorePlayer 7.1 on Allo Digi One Signaturewith (Lounge)
PiCorePlayer 8.1 with pi official touchscreen and hifiberry Dig+
(Office)
PiCorePlayer 8.1 with pi official touchscreen and hifiberry
DAC+(Kitchen)
Radio  (Bedroom)
PiCorePlayer 8.1 with pi official touchscreen and USB DAC (Bedroom)
Squeezelite=x (Garage)
PiCorePlayer 8.1 with hifiberry AMP+(Patio 2)
PiCorePlayer 8.1.1 with hifiberry AMP+(Patio 2)

LMS 8.1 on DIY Unraid 6 Server (i5)

Squeeze user since the SB1

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Re: [slim] FM Radio

2022-02-23 Thread bpa


markiii wrote: 
> I totally get why this may not have been done it is after all a bit of
> an odd niche case
> 
> however curious if anyone has found a way to play FM radio stations off
> air using the LMS infrastructure?
> 
> Not an FM station rebroadcast as internet radio but proper off air FM
> Broadcast.



Many years ago when, I used to do with a Grridin RadioShark and a plugin

https://forums.slimdevices.com/showthread.php?54926-Announce-SharkPlay-plugin-radioSHARK-player

You need to define the source of the FM signal and the platform which
will host it ? 
Nowadays an SDR dongle RTL2832U DVB-T (which are quite cheap but
requires some processing power ) are probably the device you'd use.
https://www.rtl-sdr.com/
but there are old RadioShark on Ebay.



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[slim] FM Radio

2022-02-23 Thread markiii


I totally get why this may not have been done it is after all a bit of
an odd niche case

however curious if anyone has found a way to play FM radio stations off
air using the LMS infrastructure?

Not an FM station rebroadcast as internet radio but proper off air FM
Broadcast.



PiCorePlayer 7.1 on Allo Digi One Signaturewith (Lounge)
PiCorePlayer 8.1 with pi official touchscreen and hifiberry Dig+
(Office)
PiCorePlayer 8.1 with pi official touchscreen and hifiberry
DAC+(Kitchen)
Radio  (Bedroom)
PiCorePlayer 8.1 with pi official touchscreen and USB DAC (Bedroom)
Squeezelite=x (Garage)
PiCorePlayer 8.1 with hifiberry AMP+(Patio 2)
PiCorePlayer 8.1.1 with hifiberry AMP+(Patio 2)

LMS 8.1 on DIY Unraid 6 Server (i5)

Squeeze user since the SB1

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Re: [slim] Control Your Display using LCDd and the LMS CLI

2022-02-23 Thread fvzeppelin


mherger wrote: 
> > Feel free to use it, share feedback, ...
> 
> The only feedback I'd have would be: make your life easier by using the
> 
> json/rpc interface rather than the CLI... It doesn't require a 
> persistent telnet style connection, but http. And the responses are well
> 
> structured JSON you can easily parse.

Thanks for the hint!
It's even got a Python3 controller implementation :D
https://github.com/samtherussell/squeezebox-controller



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Re: [slim] Control Your Display using LCDd and the LMS CLI

2022-02-23 Thread Michael Herger

Feel free to use it, share feedback, ...


The only feedback I'd have would be: make your life easier by using the 
json/rpc interface rather than the CLI... It doesn't require a 
persistent telnet style connection, but http. And the responses are well 
structured JSON you can easily parse.

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[slim] Control Your Display using LCDd and the LMS CLI

2022-02-23 Thread fvzeppelin


Hi,

I ported the great work of 'jscrane'
(https://github.com/jscrane/lcd_lms) to Python3:

https://github.com/fvzeppelin/lcd_lms

With Python's inbuilt unicode support, it supports language specific
stuff like German Umlauts etc.
Additionally, I have linked a detailed build/installation guide also for
lcdproc and libugpio on piCorePlayer in the readme.

I wasn't really sure if it was worth to share it, here. But all other
scripts/solutions I have seen so far had their problems: Either missing
unicode support, or not-so-perfectly working display drivers (like
causing glitches on VFDs), ... :mad: At least for my setup with
piCorePlayer and an HD44780-based VFD, it is the only solution which
works nicely as expected :cool:

And with LCDd in the back, the script can be easily extended according
to your needs (different screens, using keys, ...).

Feel free to use it, share feedback, ...

Cheers :D



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