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Thinking about using a small FM transmitter to sync music (from computer or ipad or even an analogue source) to an FM tuner in my house - so range is small, but quality of sound is important. Any idea if the low cost modules I see around have good sound quality ?
Mono is sufficient, so long as it sounds good.
Thanks.
Mono is sufficient, so long as it sounds good.
Thanks.
you mean the things that allow you to listen to the source you're broadcasting by dialing into an FM channel (usually 87 or something like that)?
They suck a**. Horrible sound quality.
Edit: I just saw that you wrote mono is sufficient. It sounds like you're just listening to audio books or something like that. It's fine for that purpose.
They suck a**. Horrible sound quality.
Edit: I just saw that you wrote mono is sufficient. It sounds like you're just listening to audio books or something like that. It's fine for that purpose.
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Yes, I mean FM broadcast not bluetooth. Mono is OK because my music listening is mostly mono - but it's not audio books, it's music. I have a Dynalab FM tuner as a source and thought I could 'stream' via this tuner.
Horrible audio quality is not going to be good enough. Sounds like this is a dead-end idea ?
Horrible audio quality is not going to be good enough. Sounds like this is a dead-end idea ?
Not horrible at all ! You can build one for almost peanuts to try out. Here's just a few examples.
FM Transmitter circuits with schematic diagrams
Just don't overload the input
FM Transmitter circuits with schematic diagrams
Just don't overload the input
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Not horrible at all ! You can build one for almost peanuts to try out. Here's just a few examples.
FM Transmitter circuits with schematic diagrams
Just don't overload the input
did you try one yourself ?
My FM tuner lacks "hi-end" sound vs my other sources, but better than MP3 digital via internet playback, It's more dynamic and where MP3 noise is hardness, FM is analog hash..
No headaches ......
Forgive the OT comment here, but I would much rather listen to 320kbps internet streams than FM radio any day. Heck, even 256kbps is fantastic compared to FM, IMO.
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ooh, this is getting interestingHeck, even 256kbps is fantastic compared to FM, IMO.
I must say, I'm not filled with confidence about using an in-house FM link. I think I'd want to hear from people who have found it to work well before I invest in this.
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ooh, this is getting interesting
I must say, I'm not filled with confidence about using an in-house FM link. I think I'd want to hear from people who have found it to work well before I invest in this.
Turn your FM tuner on and dial it to any good local station. If you consider the quality to be "hi-fi", then look no further.
Personally, I'd rather listen to an elephant play a kazoo.
WRT internet streams, there are numerous 320kbps streams ( both free and paid) which sound incredible. The vast majority of people, including so-called audiophiles, cannot reliaby discern (in double-blind tests) between lossless and high bitrate compressed files.
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Not one in the link, but a similar 2 transistor circuit. I used a regulated Linear 12V supply & omitted the mic & associated components, as they obviously aren't required for line level. I "think" i kept the input to about 100mV or so.
If you make sure the input cap gives you the LF response you want with these type of circuits then
Often they roll it off for mic duties !Anyway, you could knock one up in around 1/2 an hour for less that $10 or so to try
If you don't go for a mic version to alter, then look for similar but guitar/line types. If it's guitar type, lower the input resisistance to something more suiatable !
Years back I heard a pirate FM station in LA run by a friend of a friend. He was running a CD with no processing and the levels were correct. It was the BEST audio ever to come out of that H-K Citation 15 tuner. It was as close to listening to my own CD as could be. I used to live near Chicago and WFMT was considered one of the best in the country. The pirate was at least as good - probably better. FM CAN be outstanding though it rarely is. The commercial stations in LA are dreadful.
The FM interface to a CD in my wife's car in '94 was quite acceptable. You might check one of those if you can still find one.
G²
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This thread seems to be about at least three different meanings of 'FM':
1. The broadcast FM system, which can provide superb results (apart from a slightly limited bandwidth) when used properly.
2. Typical modern FM stations, which sound horrible due to compression, limiting and generally poor engineering combined with a desire to sound loud.
3. Cheap personal FM transmitters, which can be quite good or very bad or anything in between.
1. The broadcast FM system, which can provide superb results (apart from a slightly limited bandwidth) when used properly.
2. Typical modern FM stations, which sound horrible due to compression, limiting and generally poor engineering combined with a desire to sound loud.
3. Cheap personal FM transmitters, which can be quite good or very bad or anything in between.
Then You have bad FM stations, see no 2 below ..
On the local PBS , jazz hr is hosted differently day to day, the difference is cheese to chalk , on good nights its very good.
Forgive the OT comment here, but I would much rather listen to 320kbps internet streams than FM radio any day. Heck, even 256kbps is fantastic compared to FM, IMO.
DAB in the UK is absolutely rubbish as is MP3 for serious listening.
Thank God the UK still keeps its high end FM broadcast system.
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