Quote:
This is a really interesting setting.
Is there a setting for the listening end of the stream? I listen to AACplus v2 SBR (not parametric) streams at 64k regularly. The broadcaster doesn't process them before the encoding. I wondered if there were a setting to try to restore and punch up the signal afterwards.
Thanks!
Haha... We know each other already I think. This setting is optimized for V1 (I took on the challenge to get HE-AAC at 32kbps to sound as good, if not better than Sirius XM does.) My OS X project is there, but I have to slow down the final AGC stage, and as it stands in Stereo Tool, I cannot do that - so I have no choice but to slam the final limiter slightly to avoid pumping. This does cause some artifacts.
Neural Audio has intrigued me. I'm working on three projects for HE-AAC simultaneously - one of them is a preset for Stereo Tool. You're the same aegrotatio from XMFan I'm assuming, right? Hi! In case you're wondering about the third project, the third project is in hardware.
For the listening end of the stream, there shouldn't be an issue. You should be able to use any generic preset; "Constant Volume - Increased Stereo" built into Stereo Tool, and that should do the trick. Mine tries its best to maintain source timbre, but you can never fully do that without visibility to what is coming in at the input stage of the processor, AT the output stage of the processor. That is to say, "Pre-Limiter (or AGC)", "Multiband", and "Post-Limiter (or AGC)" MUST have visibility to one another at all times to maintain timbre truly. The challenge I have, and it comes from poor habits in my broadcast engineering days - is that this preset progresses, and it gets great, and I think, "Now I just need to make it louder." Unfortunately, I often find I've made all the progress, where the end result is simply me "packing" the audio to make the average output higher.
Let me know if you're looking for a specific preset, and I'd be glad to work on something. They are fun to make!
Here's an updated one:
Code:
[Common]
Pre amplifier=3.299999952
Post amplifier=0.799999952
Extra loudness=1
Extra loudness - Very deep bass relative clipping level=0
Extra loudness - Allow extra lows (advanced)=0
Extra loudness - Allow extra highs (advanced)=0
Extra loudness - Punchy=0.224999905
Extra loudness - Max Punch peak=0.75
Extra loudness - Deep bass protection - Enabled=0
Extra loudness - Deep bass protection - Difference=0
Extra loudness - Deep bass protection - Value=0.638750076
Bass protection - Enabled=0
Bass protection - Two steps=0
Bass protection - Clip level=140
Bass protection - Deep bass boost=0
Bass protection - Raise clip level if highs get above=150
Bass protection - Maximum clip level raise=35
Hard limit output=0
Process for low latency=0
Mode=Advanced
[Noise Gate]
Enabled=1
Difference=0
Noise level=4.5
Relative noise gate level - Band 1=1
Relative noise gate level - Band 2=1
Relative noise gate level - Band 3=1.857142687
Relative noise gate level - Band 4=4.555555344
Relative noise gate level - Band 5=2.508771658
Relative noise gate level - Band 6=4.555555344
Relative noise gate level - Band 7=2.333333254
[Singleband Compressor]
Enabled=1
Difference=0
Maximum volume=2.5
Attack speed=0.000000543
Decay speed=0.040240694
Above Top Limiter=0.189999998
[Pre Compressor]
Enabled=1
Difference=0
Delay enabled=0
Remove remaining loud peaks=1
Maximum volume - Band 1=97509.9921875
Maximum volume - Band 2=45750
Attack speed - Band 1=0.000002059
Attack speed - Band 2=0.000001781
Decay speed - Band 1=0.000958171
Decay speed - Band 2=0.000958171
[Multiband Compressor]
Enabled=1
Difference=0
Delay enabled=0
Very high quality enabled=1
Maximum volume - Band -1=8309.999023438
Maximum volume - Band 0=8309.999023438
Maximum volume - Band 1=7500
Maximum volume - Band 2=5450
Maximum volume - Band 3=5250
Maximum volume - Band 4=5250
Maximum volume - Band 5=3149.999755859
Maximum volume - Band 6=3899.999755859
Maximum volume - Band 7=2649.999755859
Maximum volume - Band 8=3050
Attack speeds linked=1
Attack speed - Band -1=0.000013195
Attack speed - Band 0=0.000013195
Attack speed - Band 1=0.000013195
Attack speed - Band 2=0.000013195
Attack speed - Band 3=0.000013195
Attack speed - Band 4=0.000013195
Attack speed - Band 5=0.000013195
Attack speed - Band 6=0.000013195
Attack speed - Band 7=0.000013195
Attack speed - Band 8=0.000013195
Decay speeds linked=1
Decay speed - Band -1=0.000065476
Decay speed - Band 0=0.000065476
Decay speed - Band 1=0.000065476
Decay speed - Band 2=0.000065476
Decay speed - Band 3=0.000065476
Decay speed - Band 4=0.000065476
Decay speed - Band 5=0.000065476
Decay speed - Band 6=0.000065476
Decay speed - Band 7=0.000065476
Decay speed - Band 8=0.000065476
Above Top Limiter=1
Clipping enabled=0
Postprocessing enabled=1
Relative clip position - Band -1=-1
Relative clip position - Band 0=-1
Relative clip position - Band 1=-1
Relative clip position - Band 2=-1
Relative clip position - Band 3=-1
Relative clip position - Band 4=-1
Relative clip position - Band 5=-1
Relative clip position - Band 6=-1
Relative clip position - Band 7=-1
Relative clip position - Band 8=-1
Final limiter value=1
Final limiter decay speed=0.999000013
Final limiter clipping=20
Equalizer enabled=0
Equalize before multiband-compression=0
Equalizer position - Band -1=1
Equalizer position - Band 0=1
Equalizer position - Band 1=1
Equalizer position - Band 2=1
Equalizer position - Band 3=1
Equalizer position - Band 4=1
Equalizer position - Band 5=1
Equalizer position - Band 6=1
Equalizer position - Band 7=1
Equalizer position - Band 8=1
[Stereo]
Enabled=3
Stereo AZIMUTH Enabled=1
Stereo Image Enabled=0
Stereo Boost Enabled=1
Stereo Boost Excessive Reverb Protection Enabled=1
Delay enabled=0
Difference=0
Center bass=0
AZIMUTH limit=35
AZIMUTH change speed=0.899999976
Image phase amplifier=2.799999952
Image phase amplifier maximum angle=155.699996948
Image phase amplifier maximum separation strength=75
Image width amplifier=0.699999988
Extra phase shift=0
Mono or stereo only=-0.300000012
Stereo Boost strength=6
Stereo Boost maximum amplification=6
Stereo Boost multiplier=0.25
Stereo Boost - Never reduce below original level=0
[Channel Delay]
Enabled=0
Left Delay=0
[Output Filter]
Enabled=1
Lowpass filter=17500
Highpass filter=25
[Final Limiter]
Enabled=1
Difference=0
Pre-amp=1.5
Pre-limiter enabled=1
Pre-limiter relative volume=1.5
Reduced CPU processing=0
[FM Transmitter]
Enabled=0
Pre-emphasize=0
Pre-emphasis time=50
Output is pre-emphasized=0
Stereo encoder enabled=0
RDS encoder enabled=0
Pilot signal volume=9
RDS signal volume=4.5
FM overdrive volume=1
RDS PS text=2s:STEREO/2s:TOOL/<1=1.5s,2..-2=2t,-1=1.5s:WWW.STEREOTOOL.COM/|\W"PLAYING %artist% - %title% "/1s:\T2h\:\T02m\:\T02s/1s:\T2h\:\T02m\.\T02s/1s:\T2h\:\T02m\:\T02s
RDS RadioText text=60s:Stereo Tool: Professional Audio Processing - www.stereotool.com/30s:Stereo Tool by Hans van Zutphen, 1999-2008 - www.stereotool.com/30s:\W"%artist% - %title% - %album%"
RDS PTY=0
RDS PI=65535
RDS Alternative frequency 1=0
RDS Alternative frequency 2=0
RDS Alternative frequency 3=0
RDS Alternative frequency 4=0
RDS Alternative frequency 5=0
RDS Alternative frequency 6=0
RDS Alternative frequency 7=0
RDS Alternative frequency 8=0
RDS Alternative frequency 9=0
RDS Alternative frequency 10=0
RDS Alternative frequency 11=0
RDS Alternative frequency 12=0
RDS Alternative frequency 13=0
RDS Alternative frequency 14=0
RDS Alternative frequency 15=0
RDS Alternative frequency 16=0
RDS Alternative frequency 17=0
RDS Alternative frequency 18=0
RDS Alternative frequency 19=0
RDS Alternative frequency 20=0
RDS Alternative frequency 21=0
RDS Alternative frequency 22=0
RDS Alternative frequency 23=0
RDS Alternative frequency 24=0
RDS Alternative frequency 25=0
RDS TP=0
RDS TA=0
RDS Music=1
RDS Artificial Head=0
RDS Compressed=1
RDS Dynamic PTY=0
RDS RadioText Enabled=1
RDS ClockTime Enabled=1
FM Transmitter Calibration Enabled=0
MPX Oversampling mode=Follow main Quality setting
FM Transmitter Calibration - Volume 20 Hz=1
FM Transmitter Calibration - Volume 40 Hz=1
FM Transmitter Calibration - Volume 80 Hz=1
FM Transmitter Calibration - Volume 160 Hz=1
FM Transmitter Calibration - Volume 320 Hz=1
FM Transmitter Calibration - Volume 640 Hz=1
FM Transmitter Calibration - Volume 1280 Hz=1
FM Transmitter Calibration - Volume 2560 Hz=1
FM Transmitter Calibration - Volume 5120 Hz=1
FM Transmitter Calibration - Volume 10240 Hz=1
FM Transmitter Calibration - Volume 19000 Hz=1
FM Transmitter Calibration - Volume 23000 Hz=1
FM Transmitter Calibration - Volume 28000 Hz=1
FM Transmitter Calibration - Volume 33000 Hz=1
FM Transmitter Calibration - Volume 38000 Hz=1
FM Transmitter Calibration - Volume 43000 Hz=1
FM Transmitter Calibration - Volume 48000 Hz=1
FM Transmitter Calibration - Volume 53000 Hz=1
FM Transmitter Calibration - Volume 57000 Hz=1
FM Transmitter Calibration - Phase shift 20 Hz=0
FM Transmitter Calibration - Phase shift 40 Hz=0
FM Transmitter Calibration - Phase shift 80 Hz=0
FM Transmitter Calibration - Phase shift 160 Hz=0
FM Transmitter Calibration - Phase shift 320 Hz=0
FM Transmitter Calibration - Phase shift 640 Hz=0
FM Transmitter Calibration - Phase shift 1280 Hz=0
FM Transmitter Calibration - Phase shift 2560 Hz=0
FM Transmitter Calibration - Phase shift 5120 Hz=0
FM Transmitter Calibration - Phase shift 10240 Hz=0
FM Transmitter Calibration - Phase shift 19000 Hz=0
FM Transmitter Calibration - Phase shift 23000 Hz=0
FM Transmitter Calibration - Phase shift 28000 Hz=0
FM Transmitter Calibration - Phase shift 33000 Hz=0
FM Transmitter Calibration - Phase shift 38000 Hz=0
FM Transmitter Calibration - Phase shift 43000 Hz=0
FM Transmitter Calibration - Phase shift 48000 Hz=0
FM Transmitter Calibration - Phase shift 53000 Hz=0
FM Transmitter Calibration - Phase shift 57000 Hz=0
[Direct soundcard access]
Enabled=0
Device ID=Microsoft Sound Mapper
Volume=1
Buffer size=1
Send to Winamp=Nothing
ASIO Override channel 1=4
ASIO Override channel 2=5
[Low latency output]
Enabled=0
Device ID=
Volume=1
Buffer size=0.079999998
ASIO Override channel 1=2
ASIO Override channel 2=3
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