How much musical auto-tuning is acceptable on TV?
Millions of viewers settled down on Saturday night to watch the return of the X Factor, but for some the singers did not sound natural. That sparked a debate about 'auto-tuning', which is often used in recording studios to change vocals.
The programme insists it only altered pre-recorded items and not live performances but the debate will not go away.
So what is auto-tuning?
BBC reporter Graham Satchell has been finding out.
25 Aug 2010
- From the section Entertainment & Arts