In addition to PR#45024 by ISIHARA Takanori,
* also update refrence manual and examples PDF document files.
* exactly depend on csh, some installed scripts are csh script.
Version 3.4.1:
* add 'idct' command.
* remove all input/output data type except float from 'frame', 'snr', 'us16',
and 'uscd' command.
* add input/output data type to many commands.
* show number of byte for all input/output data type in 'x2x' command.
* rename 'pcap' command to 'pcas' command.
* add new constant (octave and cent) to 'sopr' command.
* bug fixes.
Based on PR#44556 by ISHIHARA Takanori.
The Speech Signal Processing Toolkit (SPTK) is a suite of speech
signal processing tools for UNIX environments, e.g., LPC
analysis, PARCOR analysis, LSP analysis, PARCOR synthesis
filter, LSP synthesis filter, vector quantization techniques,
and other extended versions of them.
