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aacPlus CODEC Optimization for Streaming https://forums.stereotool.com/viewtopic.php?t=52 |
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Author: | eurodancetest [ Sat Oct 09, 2010 4:30 pm ] |
Post subject: | Re: aacPlus CODEC Optimization for Streaming |
I'm currently testing this preset and i'll give you feedback. edit: I don't hear that much difference in the quality at 32 kbit/s AAC+ v2 44.1 KHz with parametic stereo. I've tested it in few types of music (see atached files) and i *think* the preset has much more effect on guitars. So in short this preset is not bad and it does really good job for unprocessed audio, but, when the audio is processed it doesn't improve it significantly. http://mir.cr/YATBH55B - Generic Balkan music. http://mir.cr/1PLDACFY - 90's Dance Music http://mir.cr/K52EVK4B - Today's "RnB" Music. |
Author: | SuperH [ Fri Nov 19, 2010 6:38 am ] | ||
Post subject: | Re: aacPlus CODEC Optimization for Streaming | ||
Here's my latest preset, built around the latest version of Stereo Tool BETA. I have high frequency response, pretty flat average amplitude, and no "saw-blade" or sibilant S-sounds. ![]() Code: [Common] Pre amplifier=6 Post amplifier=1 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=0.284999967 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 Extra loudness - Forcibly remove DC component caused by Loudness=0 Extra loudness - Reflection strength=0.100699991 Bass protection - Enabled=1 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=1 [Noise Gate] Enabled=1 Difference=0 Noise level=7.5 Relative noise gate level - Band 1=1 Relative noise gate level - Band 2=1 Relative noise gate level - Band 3=1.500000238 Relative noise gate level - Band 4=1.702702761 Relative noise gate level - Band 5=1.702702761 Relative noise gate level - Band 6=1.985074759 Relative noise gate level - Band 7=1.857142687 [Singleband Compressor] Enabled=1 Difference=0 Maximum volume=4 Attack speed=0.000003276 Decay speed=0.00033523 Above Top Limiter=0.810000002 AGC RMS style Enabled=1 AGC RMS style Target RMS level=43550 AGC RMS style Remove remaining peaks above=1 [Pre Compressor] Enabled=1 Maximum volume - Band 1=27420 Attack speed - Band 1=0.000005458 Attack speed - Band 3=0.000005458 Decay speed - Band 1=0.000028563 Decay speed - Band 3=0.000028563 Dual band=1 Third band=1 Relative expected volume of highs=0.800000012 Relative maximum volume of highs=1.200000048 Relative maximum volume of very highs=0.25 Remove remaining peaks above (relative to maximum volume)=5 Maximum expected dynamics strength for smoothing=1 Enable smoothing=0 Smoothing time=0 Gating level=2704 Use ITU-BS.1770=0 Channel separation=1 Gating based on volume before Pre Amp=0 Lock bass to band 2 strength=0.349999994 [Multiband Compressor] Enabled=1 Difference=0 Delay enabled=0 Maximum volume - Band -1=8000 Maximum volume - Band 0=8650 Maximum volume - Band 1=8650 Maximum volume - Band 2=6250 Maximum volume - Band 3=7450 Maximum volume - Band 4=4950 Maximum volume - Band 5=6100 Maximum volume - Band 6=4450 Maximum volume - Band 7=3100 Maximum volume - Band 8=3400 Attack speeds linked=1 Attack speed - Band -1=0.000031487 Attack speed - Band 0=0.000031487 Attack speed - Band 1=0.000031487 Attack speed - Band 2=0.000031487 Attack speed - Band 3=0.000031487 Attack speed - Band 4=0.000031487 Attack speed - Band 5=0.000031487 Attack speed - Band 6=0.000031487 Attack speed - Band 7=0.000031487 Attack speed - Band 8=0.000031487 Decay speeds linked=1 Decay speed - Band -1=0.000251468 Decay speed - Band 0=0.000251468 Decay speed - Band 1=0.000251468 Decay speed - Band 2=0.000251468 Decay speed - Band 3=0.000251468 Decay speed - Band 4=0.000251468 Decay speed - Band 5=0.000251468 Decay speed - Band 6=0.000251468 Decay speed - Band 7=0.000251468 Decay speed - Band 8=0.000251468 Above Top Limiter=0.550000012 Clipping enabled=1 Postprocessing enabled=1 Flat frequency response 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=0.801801801 Relative clip position - Band 5=0.709401608 Relative clip position - Band 6=0.65289247 Relative clip position - Band 7=0.503759503 Relative clip position - Band 8=0.503759503 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=30.000001907 AZIMUTH change speed=0.25 Image phase amplifier=1.25 Image phase amplifier maximum angle=150.300003052 Image phase amplifier maximum separation strength=75 Image width amplifier=0.699999988 Extra phase shift=0 Mono or stereo only=-0.100000024 Stereo Boost strength=5 Stereo Boost maximum amplification=2.5 Stereo Boost multiplier=0.600000024 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 Highpass filter linearity=Auto [Bass Boost] Enabled=0 Strength=1 Start lowpass frequency of input filter=0 End lowpass frequency of input filter=250 Start lowpass frequency of output filter=250 End lowpass frequency of output filter=350 Clip level=1.5 Clip level is relative to estimated maximum level=1 Preserve louder peaks=1 Difference=0 [Phase Rotator] Enabled=1 Start frequency=3500 Start speed=3500 Number of rotations=5 Smoothness=0.980999947 [Final Limiter] Enabled=1 Difference=0 Pre-amp=1.5 Pre-limiter enabled=1 Pre-limiter relative volume=1 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=1 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 [Lossy compression output optimization] Enabled=1 Spike Protation pre-emphasis time=30 [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=ERROR: INVALID DEVICEID Volume=1 Buffer size=0.080000006 ASIO Override channel 1=2 ASIO Override channel 2=3
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