Sound Performance Lab 9631 manual

Manual Digital Harmonics Processor Spectralizer Model 9631[...]

SOUND PERFORMANCE LAB by Her mann Gier and P aul W hite V ersion 2.2 – 1 / 1999 T he inf or mation in this document has been caref ull y verif ied and is assumed t o be correct. How ever Sound P erf or mance Laborat ory (SPL) reserv es the right t o modify the product described in t his manual at any time . Changes wit hout notice . T his documen[...]

3 Spectralizer Contents Dear cust omer , T hank you f or the c onf idence you ha ve shown t owards SPL electronics GmbH by purc hasing t he SPL S PECTRALIZER . Y ou hav e decided to use a t ool of high perf or mance w hic h sets you in the position to ha ve f ast er success and a better sound quality in your music productions and pre-mast erings . [...]

4 Spectralizer SPL digital audio processors are designed in c ooperation wit h Spectral Design of Bremen, Ger many , w ho are responsible f or t he DSP programming . C oncept: T he S PECTRALIZER is the f irst digital har monics processor employing a new process w hic h allows you to re-synt hesize sec ond and t hird har monics separatel y , and wit[...]

5 Spectralizer Operation Safety t he small timing glitc hes t hat w ould otherwise occur w hen switc hing the process in and out. Up t o 99 presets can be stored and c hanged using a MIDI program c hange command. D isplay: T he S PECTRALIZER is equipped with tw o PPM-met er s t hat f eature high resolution in t he important region immedia- tel y be[...]

6 Spectralizer Connections Bef ore connecting t he S PECTRALIZER switc h the pow er of f at all c onnected units . T he rear panel provides AES/EBU- and S/P-DIF-inputs and outputs . Any additional c hannel, status and user -bits are passed t hrough unaltered, and t he outputs can be used at t he same time if required. T he S PECTRALIZER operates wi[...]

7 Spectralizer Flow Chart Quick-Start Generator 2nd Harmonic Encoder Density- Encoder Generator 3rd Harmonic Encoder Effect Original Solo- T aste Kick- Encoder Frequency- Encoder Highpass - Filter Mix- Encoder Input Encoder Set all c ontrols to t he st arting positions: I NPUT G AIN 0; F REQUENCY 1k; D ENSITY 0; 2 ND H ARMONIC 0%; 3 RD H ARMONIC 0%[...]

8 Spectralizer 3 2 7 6 5 4 12 Rela y hard-bypass f or AES/EBU input and output I NPUT G AIN = 0 for pr ocessing pre-pr oduction material with enough headroom Choose neg ative I NPUT G AIN values f or full scale recordings to create new headroom to add harmonics Use positive I NPUT G AIN values f or lo w level mater ial Control Elements T he A CTIVE[...]

9 Spectralizer F REQUENCY sets t he starting frequenc y of t he highpass f ilter . Abov e this frequenc y sec ond and third har monics are being generated. T he highpass f ilter can be v aried between 1 kHz and 7 kHz in steps of 500 Hz. M IX c ontrols t he mix level betw een t he processed and the unprocessed signal. T he c ontrol range is 0 % to 1[...]

10 Spectralizer Diagram 3: 3 RD H ARMONIC T he illustration shows t he F FT spectr ums of the odd harmonics f or a measuring signal of 3 kHz. Diagram 4: If two fr equencies are f ed into the Spectralizer (here 3 and 4 kHz) also the diff e- rential tone (here 7 kHz) are being pr oduced All measurements at: F REQUENCY 1kHz D ENSITY 0 M IX 100% T he c[...]

11 Spectralizer Control Elements D ENSITY increases t he l oudness of t he generated har monics by appl ying diff erent “c ompression ratios”. T he control of f ers six positions . Adjus tment: If D ENSITY is set t o 0, the generat ed harmonics hav e low intensity ev en at high values f or 2 ND and 3 RD H ARMONIC . T he increase in high frequen[...]

12 Spectralizer Control Elements If you w ant to appl y various presets depress A PPL Y f or one sec ond. T he A PPL Y LED st arts to f lash indicating t hat the A PPL Y mode is activat ed. Y ou can step t hrough t he preset list wit h U P and D OWN . Once you hav e a preset t hat you w ant to appl y depress A PPL Y again. The A PPL Y LED goes out [...]

13 Spectralizer Control Elements or : AES/EBU input wit hout w ordc loc k is detected Press A PPL Y : S/P-DIF input detect ed or : no S/P-DIF input detect ed Press A PPL Y (if S/P-DIF is detected): S/P-DIF wit h w ordc loc k detected or : S/P-DIF input wit hout w ordc loc k is detected 3. Dis pla ying t he det ected sample frequenc y: T he S AMPLE [...]

14 Spectralizer 6. Dis pla ying t he Channel Dif f erence Error flag: N O = no error detect ed; Y ES = error detect ed 7. Setting or erasing t he Cop y-Prohibit flag: N O = f lag erased or not set; Y ES = flag set 8. Dis pla ying t he Original f lag: N O = no Original f lag; Y ES = Original 9. Dis pla ying t he Emphasis f lag: N O = no emphasis; Y [...]

15 Spectralizer 13 Output PPM MIDI IMPLEMENT A TIONS Function Received Data Note Basic Channel: Change 1-16 stored Control Change: 7 1-127 V olume Program Change: 0-99 real value In order to increase operation saf ety only send t he necessary MIDI data t o t he S PECTRALIZER . Unnecessary inf or mation might lead to sy stem f ailure . Y ou can use [...]

16 Spectralizer Specifications Input/Output Sample rate frequency , autom. 32-48kHz AES/EBU , twisted pair ( 1 ) AES 3 AES/EBU in- & output impedance 110 Ohms S/P -DIF , co-axial ( 2 ) SPDIF -2 S/P -DIF input impedance 75 Ohms W ordclock In/Through, co-axial BNC W ordclock in-/output impedance 75 Ohms MIDI In/Through yes RS 232 ye s RS 422 (max[...]

17 Spectralizer SPL electronics GmbH (hereafter called SPL) products are w arranted onl y in the c ountry w here purc hased, through t he authoriz ed SPL distributor in t hat c ountry , against def ects in material or w orkmanship . T he specif ic period of t his limited w arranty shall be that w hic h is described to t he original retail purc hase[...]