Script to convert text to speech using naturalreaders.com

tts.sh

#!/bin/bash


urlencode() {
    # urlencode <string>
    old_lc_collate=$LC_COLLATE
    LC_COLLATE=C

    local length="${#1}"
    for (( i = 0; i < length; i++ )); do
        local c="${1:i:1}"
        case $c in
            [a-zA-Z0-9.~_-]) printf "$c" ;;
            *) printf '%%%02X' "'$c" ;;
        esac
    done

    LC_COLLATE=$old_lc_collate
}

TXT=$(cat)
JSON=$(echo "t=$TXT" | jo)
TXTENCODED=$(urlencode "$TXT")

curl -s "https://kfiuqykx63.execute-api.us-east-1.amazonaws.com/Dev/tts?r=12&s=0&l=0&v=aca&t=${TXTENCODED}" \
    -H 'User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:64.0) Gecko/20100101 Firefox/64.0' \
    -H 'Accept: */*' \
    -H 'Accept-Language: en-US,en;q=0.5' \
    --compressed \
    -H 'Referer: https://www.naturalreaders.com/online/' \
    -H 'content-type: application/x-www-form-urlencoded' \
    -H 'origin: https://www.naturalreaders.com' \
    -H 'Connection: keep-alive' \
    --data "$JSON" \
    --output -

Example usage:

echo The cow says moo | ./tts.sh > moo.mp3