extra/genspecsines.m File Reference

Go to the source code of this file.

Functions
location of	peak (zero-based indexing)
loc<=1||loc >=hN-1	continue ()
main	lobe (real value) bins to read lmag
spectrum bins to	fill (1-based indexing) for m
	elseif (b(m)>hN)%peak lobe croses Nyquist bin Y(2 *hN-b(m))
else peak lobe in positive freq range	Y (b(m))
end end	Y (hN+1:end)

Variables
function	Y
function	ipmag = val-.25*(lval-rval).*(iploc-ploc)
function	ipphase = interp1(1:length(pX),pX,iploc,'linear')
function magnitudes and	phases
function magnitudes and	N
Y	__pad2__
Y initialize output spectrum	hN = N/2+1
size of positive freq spectrum for	i =1:length(ploc)
generate all sine spectral lobes	loc = ploc(i)-1
location of	range
	end
avoid frequencies out of range	binremainder = round(loc)-loc
	lb = [binremainder-4:binremainder+4]'
lobe magnitudes of the complex exponential	b = 1+[round(loc)-4:round(loc)+4]'

Function Documentation

loc<=1||loc>=hN-1 continue ( )

virtual

elseif	(	b(m)	,
		hN
	)

spectrum bins to fill

(

1-based

indexing

)

Referenced by dvbsub_parse_region_segment(), and ff_check_pixfmt_descriptors().

main lobe

(

real

value

)

location of peak

(

zero-based

indexing

)

else peak lobe in positive freq range Y

(

b(m)

)

end end Y

(

hN+1:end

)

Variable Documentation

Y __pad2__

Definition at line 5 of file extra/genspecsines.m.

lobe magnitudes of the complex exponential b = 1+[round(loc)-4:round(loc)+4]'

Definition at line 13 of file extra/genspecsines.m.

avoid frequencies out of range binremainder = round(loc)-loc

Definition at line 10 of file extra/genspecsines.m.

end

Definition at line 9 of file extra/genspecsines.m.

Y initialize output spectrum hN = N/2+1

Definition at line 6 of file extra/genspecsines.m.

size of positive freq spectrum for i =1:length(ploc)

Definition at line 7 of file extra/genspecsines.m.

center of parabola ipmag = val-.25*(lval-rval).*(iploc-ploc)

Definition at line 1 of file extra/genspecsines.m.

magnitude of peaks ipphase = interp1(1:length(pX),pX,iploc,'linear')

Definition at line 1 of file extra/genspecsines.m.

lb = [binremainder-4:binremainder+4]'

Definition at line 11 of file extra/genspecsines.m.

Referenced by add_yblock(), iterative_me(), ogm_packet(), and vp56_add_predictors_dc().

generate all sine spectral lobes loc = ploc(i)-1

Definition at line 8 of file extra/genspecsines.m.

Referenced by decode_gain_control().

function magnitudes and N

Definition at line 1 of file extra/genspecsines.m.

function magnitudes and phases

Definition at line 1 of file extra/genspecsines.m.

location of range

Definition at line 8 of file extra/genspecsines.m.

Referenced by 7digital-python.lib.oauth.OAuthError::__init__(), 7digital-python.lib.py7digital::_extract_all(), 7digital-python.lib.py7digital.TrackSearch::_get_results(), adpcm_compress_trellis(), arith2_get_number(), arith2_get_prob(), arith2_get_scaled_value(), arith_get_bits(), arith_get_number(), arith_get_prob(), av_opt_freep_ranges(), av_opt_query_ranges_default(), aw_pulse_set2(), calc_input_response(), decode_channel(), dirac_get_arith_bit(), extend_code(), ff_bgmc_decode(), ff_fix_long_mvs(), ff_fix_long_p_mvs(), ff_get_best_fcode(), ff_h263_encode_motion(), find_image_range(), floor_encode(), floor_fit(), g722_encode_trellis(), 7digital-python.lib.oauth::generate_nonce(), 7digital-python.lib.oauth::generate_verifier(), get_cabac_bypass(), get_cabac_bypass_sign(), get_limits(), lms_update(), mclms_update(), mpeg1_encode_motion(), msmpeg4v2_encode_motion(), musixmatch.base.ItemsCollection::paged(), process_callback(), quantize_and_encode_band_cost_template(), sws_printVec2(), tests.base.TestCollection::test_extend(), tests.base.TestCollection::test_page(), tests.base.TestCollection::test_paged(), tests.base.TestCollection::test_pager(), vorbis_floor1_decode(), and x8_setup_spatial_predictor().

function Y

Initial value:

= genspecsines (ploc, pmag, pphase, N) 
% Compute a spectrum from a series of sine values 
% iploc

Definition at line 1 of file extra/genspecsines.m.