| Index Entry | Section |
|---|
|
| A | | |
|---|
| acceleration, adding features | 3.5.1 Operations on feature streams |
|
| B | | |
|---|
| BLACKMAN window | 2.1 Pre-emphasis and windowing |
| bugs, reporting | 1.4 Reporting bugs |
|
| C | | |
|---|
| cepstral mean subtraction | 2.6 Deltas and normalization |
| cepstrum | 2.5 Cepstral analysis |
| contributors | 1.5 Contributors |
|
| D | | |
|---|
| dct | 4.6.3 Cosine transform |
| dct_init | 4.6.3 Cosine transform |
| dct_reset | 4.6.3 Cosine transform |
| delta | 2.6 Deltas and normalization |
| delta, adding features | 3.5.1 Operations on feature streams |
| derivatives | 2.6 Deltas and normalization |
|
| E | | |
|---|
| extracting components | 3.5.1 Operations on feature streams |
|
| F | | |
|---|
| fft | 4.6.1 Fourier transform |
| fft_init | 4.6.1 Fourier transform |
| fft_reset | 4.6.1 Fourier transform |
| file format, feature streams | 3.1.2 Feature streams |
| file format, waveform streams | 3.1.1 Waveform streams |
| file formats | 3.1 File formats |
| filter-bank, analysis | 2.3 Filter-bank analysis |
| filter-bank, tools | 3.4.1 Filter-bank analysis tools |
| format, feature streams | 3.1.2 Feature streams |
| format, waveform streams | 3.1.1 Waveform streams |
|
| G | | |
|---|
| get_flag_bits | 4.2 Feature description flags |
| get_next_sig_frame | 4.1.3 Reading frames |
| get_next_spf_vec | 4.3.2 Reading and writing feature vectors |
| get_spf_buf_vec | 4.4.2 Accessing buffer elements |
| GNU Free Documentation License | A. GNU Free Documentation License |
|
| H | | |
|---|
| HAMMING window | 2.1 Pre-emphasis and windowing |
| HANNING window | 2.1 Pre-emphasis and windowing |
| header format | 3.1.2 Feature streams |
|
| I | | |
|---|
| I/O, stdin and stdout | 3.3 I/O via stdin and stdout |
| input, stdin | 3.3 I/O via stdin and stdout |
| installation | 1.3 Installing SPro |
|
| L | | |
|---|
| line spectrum pairs | 2.4 Linear predictive analysis |
| linear prediction coefficients | 2.4 Linear predictive analysis |
| linear prediction, tools | 3.4.2 LPC analysis tools |
| linear transformation | 3.5.1 Operations on feature streams |
| log area ratio | 2.4 Linear predictive analysis |
| log_filter_bank | 4.6.2 Filter-bank |
| lpc | 4.7.1 Linear prediction |
| lpc_to_cep | 4.7.2 LPC conversion |
| lpc_to_lsf | 4.7.2 LPC conversion |
|
| M | | |
|---|
| MEL frequency scale | 2.3 Filter-bank analysis |
|
| N | | |
|---|
| normalization, mean removal | 2.6 Deltas and normalization |
| normalization, variance | 2.6 Deltas and normalization |
|
| O | | |
|---|
| option, feature vector content | 3.2.3 Feature vector options |
| options, common | 3.2 Common options |
| options, I/O | 3.2.1 I/O options |
| options, miscellaneous | 3.2.4 Miscellaneous options |
| options, waveform framing | 3.2.2 Waveform framing options |
| output, stdout | 3.3 I/O via stdin and stdout |
|
| P | | |
|---|
| pipes, using pipes with SPro | 3.3 I/O via stdin and stdout |
| pre-emphasis | 2.1 Pre-emphasis and windowing |
|
| R | | |
|---|
| refc_to_lar | 4.7.2 LPC conversion |
| reflection coefficients | 2.4 Linear predictive analysis |
|
| S | | |
|---|
| scale_energy | 4.5 Feature conversion |
| scopy | 3.5 Manipulating feature streams |
| set_alpha_idx | 4.6.2 Filter-bank |
| set_alpha_idx | 4.6.2 Filter-bank |
| set_flag_bits | 4.2 Feature description flags |
| set_lifter | 4.8 Miscellaneous functions |
| set_sig_win | 4.1.3 Reading frames |
| set_stream_energy_scale | Conversion flags |
| set_stream_seg_length | Conversion flags |
| sfbank | Filter-bank log-magnitude features |
| sfbcep | Filter-bank cepstral features |
| sig_alloc | 4.1.1 Memory allocation |
| sig_correl | 4.7.1 Linear prediction |
| sig_free | 4.1.1 Memory allocation |
| sig_normalize | 4.1.4 Computing frame energy |
| sig_stream_close | 4.1.2 Opening streams |
| sig_stream_open | 4.1.2 Opening streams |
| sig_weight | 4.1.3 Reading frames |
| slpc | Linear prediction coefficients |
| slpcep | Linear prediction cepstrum |
| sp_flag_to_str | 4.2 Feature description flags |
| sp_str_to_flag | 4.2 Feature description flags |
| spf_add_delta | 4.5 Feature conversion |
| spf_buf_alloc | 4.4.1 Buffer allocation |
| spf_buf_append | 4.4.2 Accessing buffer elements |
| spf_buf_convert | 4.5 Feature conversion |
| spf_buf_free | 4.4.1 Buffer allocation |
| spf_buf_normalize | 4.5 Feature conversion |
| spf_buf_read | 4.4.3 Buffer I/O |
| spf_buf_resize | 4.4.1 Buffer allocation |
| spf_buf_write | 4.4.3 Buffer I/O |
| spf_header_add | Accessing stream attributes |
| spf_header_get | Accessing stream attributes |
| spf_header_get | Accessing stream attributes |
| spf_indexes | 4.8 Miscellaneous functions |
| spf_input_stream_open | Opening for I/O |
| spf_output_stream_open | Opening for I/O |
| spf_output_stream_open | Opening for I/O |
| spf_stream_buf | 4.4.4 Buffers and streams |
| spf_stream_dim | Accessing stream attributes |
| spf_stream_flag | Accessing stream attributes |
| spf_stream_flush | 4.3.2 Reading and writing feature vectors |
| spf_stream_header | Accessing stream attributes |
| spf_stream_name | Accessing stream attributes |
| spf_stream_rate | Accessing stream attributes |
| spf_stream_read | 4.3.2 Reading and writing feature vectors |
| spf_stream_rewind | 4.3.3 Seeking into a stream |
| spf_stream_seek | 4.3.3 Seeking into a stream |
| spf_stream_tell | 4.3.3 Seeking into a stream |
| spf_stream_write | 4.3.2 Reading and writing feature vectors |
| spf_tot_dim | 4.8 Miscellaneous functions |
|