Completar frases Sound parametersVersión en línea Actividad sobre los parámetros del sonido en inglés CLIL, para 2º ESO. por Javier Santana 1 voice short soft second sound decibel duration long notes hertz pitch volume loudness figures instrument low The sound parameters are four : , , and timbre . They tell us several characteristics about every . The pitch tells us how high or a sound is , and its measurement unit is the ( Hz ) . We express the pitch by the musical . The loudness tells us how loud or a sound is , and its measurement unit is the ( dB ) . The loudness is the same than the , and we express the loudness by musical symbols written on the score . The duration tells us how or a sound is , and its measurement unit is the ( s ) . We express the duration by the musical . The timbre tells us what musical , or human , produces every sound . It is related to the sound formwave .