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PiaRef

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User's Manual 

 

 

 

Rev 31/03/16 

18

 

© 2014-2016 Dream S.A.S.

 

8. Technical Information 

8.1 Track Mapping Table 

Pia-Ref firmware has a built in 32-tracks GM synthesizer. Mapping of the sound tracks is shown in the table below: 

 

 

 

 

 

 

 

 

 

 

 

9. Pia-Ref DSP Modules and Audio Routings  

 

 

 

 

 

 

 

 

Audio In 

GMFX 

GMSynth 

--> Main Out L/R 

 

--> Rev Send Out 

--> Chr Send Out 

 

 

Main Out 
L/R 

Reverb

 

 

Chorus

 

 

MAIN1 

MAIN2 

 R 

FX1 

FX2 

DABD0_L 

Inp
Mix 

DABD0_R 

Reverb send 

 Piano keyboard tracks 
 
 Piano sequencer tracks   
 
 Demo tracks 
 
 MIDI tracks   
 
 SMF player tracks 
 
 Style player tracks 

DAAD0_L 

Mike / AUX Input 

DAAD0_R 

 
 
 
 

10. MIDI Implementation 

 
See document: SamVS-C GM2Synth Library.pdf / § Detailed MIDI Implementation 

Source 

Track # (0-31)

 

Keyboard Single or Upper Sound 

Keyboard Dual or Lower Sound 

Keyboard Manual Drums 

Metronome 

15 

GM-Player (Demo, GM-MIDI-IN, SD, Recorder) 

16-31 

Style Player 

24-31 

Summary of Contents for 5704PiaRef

Page 1: ...7 2 2 11 Sliders assign 7 2 2 12 BPM 7 2 2 13 Menu 7 2 2 14 Registrations 8 2 3 Song Recorder 9 2 3 1 Rec Mode 9 2 3 2 Play Start 9 2 3 3 Track A 9 2 3 4 Track B 9 3 Root Menu 10 3 1 SD Menu 10 3 1 1...

Page 2: ...onal Functions 15 5 1 Style Player 15 6 Standalone Operation 16 6 1 Programming the Failsafe Bootloader Firmware Demo set Sound bank and Styles 16 6 2 Programming Updating Application Firmware with DF...

Page 3: ...out Connect the main board audio outputs to line level inputs of a mixer a stereo sound system Connect the main board to 12V 1A DC power supply to tip to ring 1 1 Pedal Inputs J18 Pinout All Pedals ar...

Page 4: ...te Function Transpose Start_Stop Transpose Start_Stop Split Intro_Ending Split Intro_Ending Sliders Assign Style Selection Sliders Assign Style Selection Tune Fill In_Key Start Tuning Fill In_Key Star...

Page 5: ...al transpose is available in the range 12 12 semitones Press and hold the Transpose button then press the Plus or Minus button to specify the desired transposition value The Transpose LED will turn on...

Page 6: ...ssage for Soft curve M E d for Medium curve H r d for Hard curve and C S t for Constant curve Press the Touch Curve button again for exit The value for the constant velocity can be set While constant...

Page 7: ...gnoring Track A B Setting see 2 3 Use the Instrument Select buttons to select a Drumkit 1 Standard Set 2 Room Set 3 Power Set 4 Electric Set 5 TR808 6 Jazz 7 Brush 8 Orchestra 2 2 11 Sliders assign 2...

Page 8: ...On Off To save your current setting in one registration do the next steps Check that the Registration LED is off If it is On press the Registration button to quit the registration mode Adjust all par...

Page 9: ...track record Then track to be recorded can be selected Allow to stop the track record 2 3 2 Play Start Start playing the selected recorded song Stop playing the selected recorded song 2 3 3 Track A S...

Page 10: ...s the value of the 2 digits in name Example SONG56 MID will be displayed as S 5 6 SMF created with the piano recorder Piano Song and with name not in format SONGxx MID be displayed in format r x x xx...

Page 11: ...ith SD Select function is loaded to currently selected song of sequencer If aborted Song is not loaded and display shows A b o If file is not a Piano Song load operation will b and display will show E...

Page 12: ...and Minus until the display shows F n c 3 3 1 Lower Octave Shift Octave shift for the lower sound Press the first Instrument select button Display toggles between L O S and 1 Use Plus and Minus butto...

Page 13: ...Midi transmit channel in range 1 16 3 4 2 Local Control On Off Local Control On Off function allows connecting or not the Sound engine to Keyboard If Local Control is On keyboard can play sound engine...

Page 14: ...ear the previously recorded drums and track 1 Press Play Start to stop or wait for the song to finish 4 1 5 Record track 2 Press Rec Mode to switch Sequencer into Record Mode Press Track B to select t...

Page 15: ...button Selected song is immediately deleted If the song to delete is the current one only the last step is needed 5 Optional Functions 5 1 Style Player Use Intro_Ending Fill In Start_Stop Variation R...

Page 16: ...on Device Destination address BootloaderDFU Firmware DataFlash 0x0000 0x0000 Application Firmware QSPI NOR 0x0000 0x0000 Demo QSPI NOR 0x0004 0x0000 Style QSPI NOR 0x0008 0x0000 GM Sound Bank GMBK5X64...

Page 17: ...Curve Soft Medium Hard Constant programmable from 0 to 127 by user Dual 2 sound layer with volume balance Split Programmable Split point Transpose 12 to 12 semi tones Tune 427 to 453 Hz Temperaments...

Page 18: ...hr Send Out Main Out L R Reverb Chorus MAIN1 MAIN2 R FX1 FX2 DABD0_L Inp Mix DABD0_R Reverb send Piano keyboard tracks Piano sequencer tracks Demo tracks MIDI tracks SMF player tracks Style player tra...

Page 19: ...ew times the same switch until you have seen each LED On and Off Switches without LED Press the switch 8 times and check each time if one segment is On in the display MENU switch is for high digit tes...

Page 20: ...es or b A d if test fails 11 7 Components test Components test will automatically and consecutively test Serial Flash device Firmware integrity and data integrity in each of the QSPI NOR Flash devices...

Page 21: ...and start sine wave at 1 5kHz frequency 4 Test all P24 2kx24 ROM 5 Change sine wave frequency to 1 25kHz 6 Test embedded RAM 7 Test 832x16 P16 IRAM 8 Change sine wave frequency to 750Hz If test is pa...

Page 22: ...r a particular application Dream assumes no responsibility for the use of any circuitry No circuit patent licenses are implied The information in this publication is believed to be accurate in all res...

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