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Index Entry Section

A
acceleration, adding features3.5.1 Operations on feature streams

B
BLACKMAN window2.1 Pre-emphasis and windowing
bugs, reporting1.4 Reporting bugs

C
cepstral mean subtraction2.6 Deltas and normalization
cepstrum2.5 Cepstral analysis
contributors1.5 Contributors

D
dct4.6.3 Cosine transform
dct_init4.6.3 Cosine transform
dct_reset4.6.3 Cosine transform
delta2.6 Deltas and normalization
delta, adding features3.5.1 Operations on feature streams
derivatives2.6 Deltas and normalization

E
extracting components3.5.1 Operations on feature streams

F
fft4.6.1 Fourier transform
fft_init4.6.1 Fourier transform
fft_reset4.6.1 Fourier transform
file format, feature streams3.1.2 Feature streams
file format, waveform streams3.1.1 Waveform streams
file formats3.1 File formats
filter-bank, analysis2.3 Filter-bank analysis
filter-bank, tools3.4.1 Filter-bank analysis tools
format, feature streams3.1.2 Feature streams
format, waveform streams3.1.1 Waveform streams

G
get_flag_bits4.2 Feature description flags
get_next_sig_frame4.1.3 Reading frames
get_next_spf_vec4.3.2 Reading and writing feature vectors
get_spf_buf_vec4.4.2 Accessing buffer elements
GNU Free Documentation LicenseA. GNU Free Documentation License

H
HAMMING window2.1 Pre-emphasis and windowing
HANNING window2.1 Pre-emphasis and windowing
header format3.1.2 Feature streams

I
I/O, stdin and stdout3.3 I/O via stdin and stdout
input, stdin3.3 I/O via stdin and stdout
installation1.3 Installing SPro

L
line spectrum pairs2.4 Linear predictive analysis
linear prediction coefficients2.4 Linear predictive analysis
linear prediction, tools3.4.2 LPC analysis tools
linear transformation3.5.1 Operations on feature streams
log area ratio2.4 Linear predictive analysis
log_filter_bank4.6.2 Filter-bank
lpc4.7.1 Linear prediction
lpc_to_cep4.7.2 LPC conversion
lpc_to_lsf4.7.2 LPC conversion

M
MEL frequency scale2.3 Filter-bank analysis

N
normalization, mean removal2.6 Deltas and normalization
normalization, variance2.6 Deltas and normalization

O
option, feature vector content3.2.3 Feature vector options
options, common3.2 Common options
options, I/O3.2.1 I/O options
options, miscellaneous3.2.4 Miscellaneous options
options, waveform framing3.2.2 Waveform framing options
output, stdout3.3 I/O via stdin and stdout

P
pipes, using pipes with SPro3.3 I/O via stdin and stdout
pre-emphasis2.1 Pre-emphasis and windowing

R
refc_to_lar4.7.2 LPC conversion
reflection coefficients2.4 Linear predictive analysis

S
scale_energy4.5 Feature conversion
scopy3.5 Manipulating feature streams
set_alpha_idx4.6.2 Filter-bank
set_alpha_idx4.6.2 Filter-bank
set_flag_bits4.2 Feature description flags
set_lifter4.8 Miscellaneous functions
set_sig_win4.1.3 Reading frames
set_stream_energy_scaleConversion flags
set_stream_seg_lengthConversion flags
sfbankFilter-bank log-magnitude features
sfbcepFilter-bank cepstral features
sig_alloc4.1.1 Memory allocation
sig_correl4.7.1 Linear prediction
sig_free4.1.1 Memory allocation
sig_normalize4.1.4 Computing frame energy
sig_stream_close4.1.2 Opening streams
sig_stream_open4.1.2 Opening streams
sig_weight4.1.3 Reading frames
slpcLinear prediction coefficients
slpcepLinear prediction cepstrum
sp_flag_to_str4.2 Feature description flags
sp_str_to_flag4.2 Feature description flags
spf_add_delta4.5 Feature conversion
spf_buf_alloc4.4.1 Buffer allocation
spf_buf_append4.4.2 Accessing buffer elements
spf_buf_convert4.5 Feature conversion
spf_buf_free4.4.1 Buffer allocation
spf_buf_normalize4.5 Feature conversion
spf_buf_read4.4.3 Buffer I/O
spf_buf_resize4.4.1 Buffer allocation
spf_buf_write4.4.3 Buffer I/O
spf_header_addAccessing stream attributes
spf_header_getAccessing stream attributes
spf_header_getAccessing stream attributes
spf_indexes4.8 Miscellaneous functions
spf_input_stream_openOpening for I/O
spf_output_stream_openOpening for I/O
spf_output_stream_openOpening for I/O
spf_stream_buf4.4.4 Buffers and streams
spf_stream_dimAccessing stream attributes
spf_stream_flagAccessing stream attributes
spf_stream_flush4.3.2 Reading and writing feature vectors
spf_stream_headerAccessing stream attributes
spf_stream_nameAccessing stream attributes
spf_stream_rateAccessing stream attributes
spf_stream_read4.3.2 Reading and writing feature vectors
spf_stream_rewind4.3.3 Seeking into a stream
spf_stream_seek4.3.3 Seeking into a stream
spf_stream_tell4.3.3 Seeking into a stream
spf_stream_write4.3.2 Reading and writing feature vectors
spf_tot_dim4.8 Miscellaneous functions

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