"tight voice" is a correct and usable phrase in written English.
You could use it to describe the sound someone makes when speaking, for example, "He spoke with a tight voice, his jaw clenched."
He gripped the phone and spoke in a soft, tight voice.
Although at first you might think that his tight voice, defiantly ungrammatical speech, and frequently invoked political opinions are aggressive, Billy is a gentle and inquisitive person.
Skandar's grandfather came over and said in a low, tight voice that some men, possibly Hezbollah followers, had just come to the door to ask who his visitors were and, incidentally, who he was.
She arrives - shrivelling well - buttoned into her black coat as tightly as Mary Poppins, with a set face and tight voice and just an occasional compulsive Mediterranean fling of the arm to suggest future steaminess.
I want to say something profoundly un-Catholic, but instead I remind him in a tight voice that he can sleep undisturbed during the nine months of the year that I do not live here.
In a tight voice she, at last, addressed Viva, explaining that Victoria was shortly to go to India to be a bridesmaid for her best friend Rose, who was, and here a certain show-off drawl entered Mrs Sowerby's voice, "about to be married to a Captain Jack Chandler of the Third Cavalry at St Thomas's Cathedral in Bombay".
"Handled it!" she said, in a tight, confident voice.
"So," Kotenko said in a tight, sibilant voice.
In a tight, brittle voice, Fiorina said she knew nothing about that.
Instead of competing for space in the same tight arrangement, voice and music occupy two totally separate spheres.
She and her producers clearly realized that her tight little voice is in the same register as Michael Jackson's.
