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10 

4.3. 

Version C.00 Parameter List 

 

 

Meaning 

Values 

 

1.Sd 

The Index of the SD 

Card File used as an impulse 
response

 

The values available 
depend on the contents of 
the SD Card (see file 
naming section) 
 

 

2.Lo

 Low frequency tone 

control level  

Unit: none. 
Range: 0.0 to 10.0 
 
 

 

3.Md 

Mid frequency tone 

control level 

Unit: none 
Range: 0.0 to 10.0 
 
 

 

4.Hi

 High frequency tone 

control level 
 

Unit: none 
Range: 0.0 to 10.0 
 
 

 

5.LF

 Low frequency tone 

control cutoff 

 

Unit: KHz 
Range: 0.01 to 9.90 
 
 

 

6.HF

 High frequency tone 

control cutoff

  

Unit: KHz 
Range: 0.01 to 9.90 
 
 

 

4.4. 

Version C.00 Algorithm 

4.4.1. 

Quality 

 
The algorithm in Version C is optimized for zero latency processing. The actual 
latency measured from analog input to analog output is 1.04 ms, 80% of this is 
due to the group delay of the anti aliasing filters of the A/D and D/A converters. A 
maximum convolution window in stereo of 1.5 sec (65536 samples) can be 
achieved. 
 
 

Содержание EPSi

Страница 1: ...EPSi Effect Processor User s Manual l gidy...

Страница 2: ...ch 7 4 Parameter List 8 4 1 Version 1 00 Parameter List 8 4 2 Version 1 00 Algorithm 8 4 2 1 Quality 8 4 2 2 Stereo image generator 9 4 2 3 Adding some life to linearity 9 4 3 Version C 00 Parameter L...

Страница 3: ...mples Feb 19 2014 Added support for Version C 00 Introduction Thank you very much for purchasing a Logidy EPSi Effect Processor We hope you find our product an inspiring tool in your quest toward musi...

Страница 4: ...response can be obtained by recording the sound coming out of such a system when an impulse a kind of short pop is applied to it Once this impulse response is acquired the behavior of that system can...

Страница 5: ...oon as the EPSi is powered it will start right away and go through its startup sequence See the user interface section for more on this 2 2 Audio Inputs Facing the back of the unit the input connector...

Страница 6: ...luding an endless value rotary control a button for stepping through parameters a foot switch and a 3 digit LED character display Note Because the front panel of the EPSi does not explicitly name para...

Страница 7: ...se response the display will alternate between the value and rcL as shown here rcL stands for recall and will flash 4 times for about 5 seconds If the param Recall button is pushed during that time th...

Страница 8: ...e envelope to the impulse response When increasing the decay time the envelope adds gain to the end of the tail also increasing whatever noise might be in the file This can sometimes make the tail sou...

Страница 9: ...first channel of a multichannel wave file EPSi uses an original adaptive algorithm to synthesize a new stereo image The result of this process sounds as if the impulse was re captured with an M S micr...

Страница 10: ...ncy tone control level Unit none Range 0 0 to 10 0 5 LF Low frequency tone control cutoff Unit KHz Range 0 01 to 9 90 6 HF High frequency tone control cutoff Unit KHz Range 0 01 to 9 90 4 4 Version C...

Страница 11: ...the High and Low bands can also be adjusted This allows voicing of the EQ to various tone stack colors To flatten the EQ the following settings should be used Low 0 0 Mid Any value In this setting th...

Страница 12: ...can be scrolled through as the first parameter 1 Sd The EPSi only looks for 3 digits at the beginning of the file name The rest of the file name is ignored Note If two Wave files have the same 3 digi...

Страница 13: ...analog Input Impedance 500 KOhm Digital Sampling Rate 44 1 KHz Processing Bit Depth 32 Bit Floating Point Inputs Outputs Audio inputs 2 6 35 mm 0 25 phone jacks Audio outputs 2 6 35 mm 0 25 phone jack...

Страница 14: ...error Contact customer support Error 1 SD Card initialization error Try another SD Card Error 2 File System error Verify SD Card format Format SD Card as FAT16 or FAT32 No SDHC Error 3 Wave file loadi...

Страница 15: ...Hall wav 205 Spike Hall wav 206 Studio Hall wav 207 Dense Hall wav 208 Bright Hall wav 209 Stage Hall wav 210 Warm Hall wav 211 Vocal Hall wav 212 Sparkle Hall wav 213 Digital Concert wav 214 Medium...

Страница 16: ...0 Combo Spring wav 511 Dub Spring wav 6xx FX 600 gated slap wav 601 Machine Echo wav 602 Squeeze wav 603 Drum Roll wav 604 FX Snare wav 605 Slurp wav 606 Alien wav 607 Automatic wav 608 Water wav 609...

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