Swahili Digit Triplets test

Four test lists with 27 digit triplets in Swahili. All recorded material was filtered with a high pass 18 dB/octave FIR filter at 50 Hz to remove unwanted low frequency noise. To only include digits with the same number of syllables, the digit 0 (”sifuri”) was excluded. The remaining numbers 1-9 have two syllables in Swahili. The quasi-stationary masking noise was created using all digits from the selected speech material to ensure a long-term average spectrum identical to the long-term average spectrum of the triplets.

本数据集包含4组测试列表，每组均包含27个斯瓦西里语数字三元组。所有录制语音素材均经过50Hz截止频率、18dB/倍频程的有限长单位冲激响应（Finite Impulse Response, FIR）高通滤波器处理，以剔除冗余低频噪声。为确保仅保留音节数统一的数字，数字0（斯瓦西里语发音为"sifuri"）已被排除。剩余的1至9共9个数字在斯瓦西里语中均为双音节结构。本研究通过选取的全部数字语音素材生成准平稳掩蔽噪声，使其长期平均频谱与数字三元组的长期平均频谱完全一致。