The file formats that can be read by the Speech LSI Utility are as follows. File format: RIFF waveform Audio Format (extension: wav) Sampling frequency: 4 to 96 [kHz] Bit resolution: 16[bit] or 8[bit] Number of channels: 1 (monaural) Codec: Linear PCM In addition, stereotype files with two channels will be read after being converted to monaural type by the conversion function of the Speech LSI Utility.
