Stereo Tool

Hi Camclone,

This isn't really possible - I think 92 kHz only works if you keep the input level very low (below around 50%, -6 dB). Higher peaks will give very annoying effects - since you need output frequencies upto 99 kHz and the theoretical maximum possible output freq is 96 kHz. (That's actually (96 - 92) / 7 = 4/7 of the normal maximum input level; in practice I don't think you will reach 96 kHz. Also at such high frequencies be VERY VERY careful about spikes that may cause your signal to disturb other stations!!!

I will indeed remove AM mode. (Didn't have time yet)
I'm a bit confused here. If I add an SCA carrier, I *need* to lower the rest of the audio to make room for it. I read that in the US (!!!) stations are allowed to increase their maximum 'swipe' with half of the SCA volume (so SCA volume = 10% then they can go to 75 + 5% = 78.75 kHz), with a maximum increase of 10%. However this may be different elsewhere.

The MPX limiter DOES take the SCA signal into account, but it does not affect it - that wouldn't be very useful anyway because the SCA signal is AND SHOULD BE completely constant in level.

ok, so, it's better to keep the " auto volume level control " if SCA is added to the MPX signal.

I confirm again that using a realtek onboard soundcard i was able to broadcast 1) mono signal 2) stereo pilot 3) stereo signal 4) rds 4) sca1 5) sca 2 , at THE SAME TIME, all these together at 74 khz !

i just lost 20 % of my normal audio levels ( normal sound was 10+10 lower becuse of SCA), that's ok!

so,
it works! i am sure about that, , i just noticed that SCA at 92 khz has more noise . that's not a problem for me and it depends on the SCA reciever.
everything is working fine on the SCA code.! thank u for that!

( i AM BROADCASTING 3 , 3 , 3 !!! different music programs in ONE FREQUENCY on FM ! , this IS a very big deal for me! , 1 normal program and 2 different programs for supermarkets!

BETA620-011:
Fixed a few bugs in Loudness processing, especially at lower latencies:
- Very deep bass protection is now enabled at all latencies, and Deep bass boost works at all latencies.
- Fixed a bug in non-strict bass clipping which caused 'crackling' sounds when loud bass sounds were present.
- Default settings for bass clipping are slightly (6%) reduced to greatly improve bass quality (especially noticeable at lower latencies) - note that without 'very strict' filtering the bass comes out a bit louder anyway so this has very little effect. Bass clipping is set to 94% now, higher levels re-introduce the crackling sound described above.
- Fixed a bug at latency 512 and 1024 that may have caused strange bass effects (I don't know if that was really the case, and I don't know what kind of effects.)

Re-load the default settings to get the improved bass clipping values!

Note that if you're using Multiband at default settings, you'll probably never get such loud bass sounds unless you set Loudness to a very high level.

Winamp DSP plugin: http://www.stereotool.com/download/dsp_ ... 20-011.exe
Stand alone version: http://www.stereotool.com/download/ster ... 20-011.exe
VST version: http://www.stereotool.com/download/vst_ ... 20-011.dll
VST version (No SSE2): http://www.stereotool.com/download/vst_ ... 20-011.dll
Command line version: http://www.stereotool.com/download/ster ... 20-011.exe
Linux command line version: http://www.stereotool.com/download/ster ... ETA620-011 NOT AVAILABLE
Linux GUI version: http://www.stereotool.com/download/ster ... ETA620-011 NOT AVAILABLE

TODO:
- Fix loading changed multiband frequencies
- Add buffer and filter for SCA output (SCA1 ok, SCA2 not yet) 1 day
- Finish AGC improvement ? - make mono value configurable (replace checkbox by slider) 1 hour --> NO, not needed - anything else needed?
- Fix Punch making it dynamic will cost 1 day
- Check what to do with new filters (such as bass AGC) - keep them, remove them, change them?
- Loudness: Annoying cracking sound in bass. Slightly present in 5.00, worse in 6.00, maybe even worse in 6.10. Only when bass is too loud. Much worse than in Final Limiter (at same input level!) - so this clearly indicates a bug. Most likely cause: The filter that was added to remove bass artifacts....... - No, it's the louder bass. But it can be fixed by changing some settings. Default settings updated, and behavior for 'not Very strict' improved. Also Deep bass boost and Very deep bass protection are enabled for latency 512 now.
- Change version number 1 hour
- Release 1 hour

Hmmmm, I just saw that there is a BUG on RDS time display and timezones

My operating system has gmt +2 ( this is my timezone ) and stereotool also shows +2 ...BUT the RDS recievers show 2 hours more than should !

if it's 1200 , rds recievers show 14 00 !


can y fix it plz ?
or what can i do to solve it temporarly ?

( everything else is OK!! , the latest betas have a value of more than 8.000 euros if they where ..hardware!
excellent work!

BETA620-012:
Fixed time bug in RDS (oops - I was sending out the LOCAL time + correction, instead of GMT time + correction...)
Also made files a bit smaller.

Winamp DSP plugin: http://www.stereotool.com/download/dsp_ ... 20-012.exe
Stand alone version: http://www.stereotool.com/download/ster ... 20-012.exe
VST version: http://www.stereotool.com/download/vst_ ... 20-012.dll
VST version (No SSE2): http://www.stereotool.com/download/vst_ ... 20-012.dll
Command line version: http://www.stereotool.com/download/ster ... 20-012.exe
Linux command line version: http://www.stereotool.com/download/ster ... ETA620-012 NOT AVAILABLE
Linux GUI version: http://www.stereotool.com/download/ster ... ETA620-012 NOT AVAILABLE

TODO:
- Fix loading changed multiband frequencies
- Add buffer and filter for SCA output (SCA1 ok, SCA2 not yet) 1 day
- Finish AGC improvement ? - make mono value configurable (replace checkbox by slider) 1 hour --> NO, not needed - anything else needed?
- Fix Punch making it dynamic will cost 1 day
- Check what to do with new filters (such as bass AGC) - keep them, remove them, change them?
- Loudness: Annoying cracking sound in bass. Slightly present in 5.00, worse in 6.00, maybe even worse in 6.10. Only when bass is too loud. Much worse than in Final Limiter (at same input level!) - so this clearly indicates a bug. Most likely cause: The filter that was added to remove bass artifacts....... - No, it's the louder bass. But it can be fixed by changing some settings. Default settings updated, and behavior for 'not Very strict' improved. Also Deep bass boost and Very deep bass protection are enabled for latency 512 now.
- Change version number 1 hour
- Release 1 hour

Hans, one more thing, have to make AGC variables stored.!

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BETA620-013:
New AGC settings saved. (Bass_AGC and SCA channel settings not yet).
Slightly decreased file size again.

Winamp DSP plugin: http://www.stereotool.com/download/dsp_ ... 20-013.exe
Stand alone version: http://www.stereotool.com/download/ster ... 20-013.exe
VST version: http://www.stereotool.com/download/vst_ ... 20-013.dll
VST version (No SSE2): http://www.stereotool.com/download/vst_ ... 20-013.dll
Command line version: http://www.stereotool.com/download/ster ... 20-013.exe
Linux command line version: http://www.stereotool.com/download/ster ... ETA620-013 NOT AVAILABLE
Linux GUI version: http://www.stereotool.com/download/ster ... ETA620-013 NOT AVAILABLE

TODO:
- Fix loading changed multiband frequencies
- Add buffer and filter for SCA output (SCA1 ok, SCA2 ok) 1 day
- Finish AGC improvement - make mono value configurable (replace checkbox by slider) 1 hour --> NO, not needed - anything else needed? -> NO
- Fix Punch making it dynamic will cost 1 day
- Check what to do with new filters (such as bass AGC) - keep them, remove them, change them?
- Loudness: Annoying cracking sound in bass. Slightly present in 5.00, worse in 6.00, maybe even worse in 6.10. Only when bass is too loud. Much worse than in Final Limiter (at same input level!) - so this clearly indicates a bug. Most likely cause: The filter that was added to remove bass artifacts....... - No, it's the louder bass. But it can be fixed by changing some settings. Default settings updated, and behavior for 'not Very strict' improved. Also Deep bass boost and Very deep bass protection are enabled for latency 512 now.
- Change version number 1 hour
- Release 1 hour

Hans > don't know if this is possible but' is there a way you can make the preamp go higher than X40?
can you make if so you can put it to x70 if needed....just that some times in vids and music its been recorded so low that putting it up to x40 is just not high enough, if you cant don't worry about it.

like a preamp boost of some-kind that will not interfere with anything else in stereotool.?