multiple wav/aiff audio file to ogg/flac/he-aac v2 converter.

audio_convert.bash

#!/bin/bash

# usage:
# bash audio_convert.bash ORIGINAL_FILEs_PATH DESTINATION_PATH

find $1 -type f -iname '*.wav' -print0 | while IFS= read -r -d '' fullfile; do
    #printf '%s\n' "$fullfile"
    file=$(basename "${fullfile}")
    
    
    ## OGG, lossy, recommended for most uses
    oggenc -q4 "${fullfile}" -o "${2}${file}.ogg"
    
    ## FLAC, lossless
    # flac -8 "${fullfile}" -o "${2}${file}.flac"
    
    ## HE-AAC v2 (AAC LC+SBR+PS / MP4) 32kbps, recommend for voice
    # afconvert -v -f m4af -d aacp -b 32000 "${fullfile}" -o "${2}${file}.m4a"
done