diff --git a/OsmAnd/assets/voice/lv-tts/ttsconfig.p b/OsmAnd/assets/voice/lv-tts/ttsconfig.p
new file mode 100644
index 0000000000..e70fc957f1
--- /dev/null
+++ b/OsmAnd/assets/voice/lv-tts/ttsconfig.p
@@ -0,0 +1,84 @@
+:- op('==', xfy, 500).
+version(101).
+language(lv).
+
+% before each announcement (beep)
+preamble - [].
+
+
+%% TURNS 
+turn('left', ['pagriezt pa kreisi ']).
+turn('left_sh', ['strauji pagriezt pa kreisi ']).
+turn('left_sl', ['griezties pa kreisi ']).
+turn('right', ['pagriezt pa labi ']).
+turn('right_sh', ['pagriezt pa labi ']).
+turn('right_sl', ['griezties pa labi ']).
+
+prepare_turn(Turn, Dist) == ['Pçc ', D, ' pagriezties ', M] :- distance(Dist) == D, turn(Turn, M).
+turn(Turn, Dist) == ['Pçc ', D, M] :- distance(Dist) == D, turn(Turn, M).
+turn(Turn) == M :- turn(Turn, M).
+
+prepare_make_ut(Dist) == ['Gatavojaties apgriezties pçc ', D] :- distance(Dist) == D.
+make_ut(Dist) == ['Pçc ', D, ' apgrieþaties '] :- distance(Dist) == D.
+make_ut == ['Apgrieþaties '].
+make_ut_wp == ['Apgrieþaties pie pirmâs iespçjas '].
+
+prepare_roundabout(Dist) == ['Sagatvojaties lokveida kustîbai ', D] :- distance(Dist) == D.
+roundabout(Dist, _Angle, Exit) == ['Pçc ', D, ' iebrauciet lokveida krustojumâ, un tad brauciet ', E, 'pagriezienâ'] :- distance(Dist) == D, nth(Exit, E).
+roundabout(_Angle, Exit) == ['turaties pa ', E, 'exit'] :- nth(Exit, E).
+
+go_ahead == ['Dodaties taisni uz priekðu '].
+go_ahead(Dist) == ['Brauciet pa ceïu ', D]:- distance(Dist) == D.
+
+and_arrive_destination == ['un ierodaties galapunktâ '].
+
+then == ['then '].
+reached_destination == ['jûs esiet nokïuvis galapunktâ '].
+bear_right == ['turieties pa labi '].
+bear_left == ['turieties pa kreisi '].
+
+route_new_calc(Dist) == ['Brauciens ir ', D] :- distance(Dist) == D.
+route_recalc(Dist) == ['Marðruts ir pârrçíinâts, attâlums ', D] :- distance(Dist) == D.
+
+location_lost == ['pazudis g p s signâls '].
+
+
+%% 
+nth(1, 'pirmais ').
+nth(2, 'otrais ').
+nth(3, 'treðais ').
+nth(4, 'ceturtais ').
+nth(5, 'piektais ').
+nth(6, 'sestais ').
+nth(7, 'septîtais ').
+nth(8, 'astotais ').
+nth(9, 'devîtais ').
+nth(10, 'desmit ').
+nth(11, 'vienpadsmitais ').
+nth(12, 'divpadsmitais ').
+nth(13, 'trîspadsmitais ').
+nth(14, 'èetrpadsmitais ').
+nth(15, 'piecpadsmitais ').
+nth(16, 'seðpadsmitais ').
+nth(17, 'septiòpadsmitais ').
+
+
+%%% distance measure
+distance(Dist) == [ X, ' meters'] :- Dist < 100, D is round(Dist/10)*10, num_atom(D, X).
+distance(Dist) == [ X, ' meters'] :- Dist < 1000, D is round(2*Dist/100)*50, num_atom(D, X).
+distance(Dist) == ['aptuveni 1 kilometers '] :- Dist < 1500.
+distance(Dist) == ['aptuveni ', X, ' kilometeri '] :- Dist < 10000, D is round(Dist/1000), num_atom(D, X).
+distance(Dist) == [ X, ' kilometri '] :- D is round(Dist/1000), num_atom(D, X).
+
+
+%% resolve command main method
+%% if you are familar with Prolog you can input specific to the whole mechanism,
+%% by adding exception cases.
+flatten(X, Y) :- flatten(X, [], Y), !.
+flatten([], Acc, Acc).
+flatten([X|Y], Acc, Res):- flatten(Y, Acc, R), flatten(X, R, Res).
+flatten(X, Acc, [X|Acc]).
+
+resolve(X, Y) :- resolve_impl(X,Z), flatten(Z, Y).
+resolve_impl([],[]).
+resolve_impl([X|Rest], List) :- resolve_impl(Rest, Tail), ((X == L) -> append(L, Tail, List); List = Tail).
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