25 lines
751 B
Bash
25 lines
751 B
Bash
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#!/bin/bash
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set -eu
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cd "/home/lou/桌面/工作区/实验/空间音频"
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SOFA=/usr/share/libmysofa/MIT_KEMAR_normal_pinna.sofa
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mkdir -p hrir && cd hrir
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i=0
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for name in FL FR FC LFE BL BR; do
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exp=""
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for j in 0 1 2 3 4 5; do
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[ $j -gt 0 ] && exp="$exp|"
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if [ $j -eq $i ]; then exp="${exp}between(t,0,1/48000)"; else exp="${exp}0"; fi
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done
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ffmpeg -y -hide_banner -loglevel error -f lavfi \
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-i "aevalsrc='${exp}':d=0.05:s=48000:c=5.1" \
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-af "sofalizer=sofa=${SOFA}:type=time" -c:a pcm_s16le "${name}.wav"
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i=$((i+1))
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done
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echo "=== 提取结果(每对双耳脉冲响应) ==="
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for f in FL FR FC LFE BL BR; do
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printf " %-5s " "$f"
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ffprobe -v error -show_entries stream=channels,sample_rate,duration -of csv=p=0 "${f}.wav"
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done
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