Championship - Ipswich snap up Prem duo
Emmanuel-Thomas has arrived at Portman Road for an undisclosed fee with the England U19 international the club's second capture of the day after Stockdale agreed his loan move.
The midfielder, who can also play on either wing or in attack, progressed through the youth ranks at the Emirates but cited his meagre five first-team appearances for the Gunners as the reason for his exit.
"Obviously it came to the stage in my career at Arsenal where I needed to be playing games. I had a decision to make and Ipswich seemed the right place for me," he told the club's website.
"I was impressed with what Paul Jewell had to say - and the team he is building. I know he is looking to bring in more players and it is the club's ambition to get in the Premier League.
"That's my goal as well, to play in the Premier League with Ipswich."
Meanwhile, Stockdale has also put pen to paper at the Suffolk club with Fulham believed to have inserted a recall clause into the deal should first-choice keeper Mark Schwarzer suffer an injury.
Stockdale has made 13 appearances for the Londoners since arriving from Darlington in 2008 and has had loan spells at Leicester, Plymouth and Rotherham.
"I had a great talk with the gaffer here and Ipswich Town is a big club so I was eager to come here," Stockdale said.
"The manager told me about the quality of the signings he's made and where they're heading and everything he told me made me keen to join the club.
"Now I'm just looking forward to getting going and playing my part in what I hope will be a successful season for Ipswich."