"particular speech" is correct and usable in written English.
You can use it to refer to a specific instance of speech, such as to discuss a particular speech given by a politician. For example: "The particular speech given by the Prime Minister was met with mixed reactions."
He delivered this particular speech to Jane Pratt, formerly of Sassy and now of xoJane.
Opponents of the trade deal have been baffled as to why Obama would select Nike for this particular speech.
"A movie's got to move," he told Mr. Schulberg, who respected Mr. Spiegel's movie-making instincts but was dead set against cutting this particular speech.
One does not have to be a fundamentalist — of any stripe — to believe that the Second Coming will occur before an ultra-Orthodox rabbi utters that particular speech.
This manifested intent should make clear that any particular speech is the product of deliberation, and that relevant stakeholders have focused significant attention on the issue".
But Judge Susan Bolton of Federal District Court ruled that the plaintiffs challenging the provision on First Amendment grounds were likely to prevail, given that the law seemed written to target particular speech "rather than a broader traffic problem".
More recently Douglas Wilson, in "Lincoln's Sword: The Presidency and the Power of Words," probed Lincoln's often agonizing creative process, looking at the evolution of particular speeches and essays, and his capacity to grow as a writer and a leader over the years.
During the hearing, presiding Judge Ekaterina Trendafilova expressed concern at some of the actions of the suspects, in particular speeches that may have been made in an attempt to incite further violence in Kenya.
She is exercising the institution's corporate right to free speech, choosing particular words to address crucial political issues that impact both the University and our entire society.
But within the speech, particular words will be signals to different constituencies.
In particular, some speech studies did not directly compare self-generated speech with the same auditory stimulation during passive listening conditions, but have rather inspected the responsiveness to other (not self-generated) sounds during speech, finding dampened responses to those sounds (e.g. Houde et al., 2002; Kudo et al., 2004).
