fix bug for 48k wav in h5 (#890)

zhaomingwork

2023-08-23 8257c10627f4e773c62a5f5e15598da0ec607126

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wget https://isv-data.oss-cn-hangzhou.aliyuncs.com/ics/MaaS/ASR/dep_libs/ffmpeg-N-111383-g20b8688092-linux64-gpl-shared.tar.xz
tar -xvf ffmpeg-N-111383-g20b8688092-linux64-gpl-shared.tar.xz