Basic Stuff:
- There's are about 13,600 files in English alone. If I'm not mistaken, the game was dubbed in 5 languages so that's at least 60,000 files in total.
- There are about 12 voice actors in total: 5 unnamed officers, the helicopter pilot, Cross, the dispatch, and 4 extra officers who only show up in certain situations.
- Most voice lines have 2 variations with different tones and/or audio quality, for the sake of sounding authentic.
- The 5 unnamed officers/voice actors make up the majority of the files, and have about 5-15 lines for almost every possible situation.
- Every unit that shows up on-screen except for Cross and the Heli share the same 5 voice actors, as well as the same set of callsigns.
- The 4 "extra" officers (that's literally what the global folder calls them) are the only ground units besides Cross to have unique callsigns (Bravo-27, Charlie-24, Charlie-29, and 2-Echo-12).
- There's about 2000 voice lines dedicated specifically for vehicle descriptions...
- ...and a couple hundred variations of "copy that" and"negative".
And now for some of the oddities and unused files...
Heat Levels:
There are voice lines referencing heat levels all the way up to Condition 10. Extra heat levels aren't really anything unheard of, but for some reason, the proper voice lines aren't used and the cops will always report "Condition 5" during Heat Level 6 and 7 pursuits. The cops are also noticeably more dramatic at higher heat levels.
Unused Tactics:
Chicanes (10-82) - appears to be an unused vehicle formation
Smokescreens (10-90) - appear to be deployed from a PC in-front of the player
Deployable Spike Belts (10-67) - deployed from a PC in-front of the player; was probably recycled for NFSHP2010
Spearhead - vehicle formation, similar to boxes/rolling blocks.
Cross/COPHELI:
Cross and the helicopter pilot have lines for pretty much every scenario in the game, including those where they normally aren't present, including:
- Heat Levels 2-10
- Responding to calls outside of pursuits
- Spotting a player at the beginning of a pursuit
- Spotting the player during a race (support units don't spawn in races)
The helicopter in particular has some interesting voice lines:
- In addition to Eagle-1, there is a second unused callsign for the helicopter known as "Falcon-2"
- Leaving the pursuit due to weather conditions
- Leaving the pursuit due to no-fly zones
- References to weapon systems (strangely referred to as "ordinance"), presumably the cut smokescreen and deployable spike strips.
- There's also unused request lines for ground units asking for air support. The helicopter is usually referred to as "Helo" or "Fast Air" when requested.
Wants and Warrants (28-29):
There's unused voice lines regarding the player's warrants. These probably are related to the rap sheet records. These lines include:
- references to the player being a "Most Wanted" suspect
- references to the player having federal warrants
- Warnings related to the player's infractions. These include being a flight risk/escape risk, assault P.O. infractions, and the player being documented as a possible mentally disturbed person. Only the flight risk warning appears in normal gameplay.
Locations:
- There's references to a 4th district in the dispatcher's voice lines. The name is difficult to make out, but I think it may be part of what is now Camden.
- Also worth noting that some units have the prefix "4" in their callsigns. This is the only indication of a 4th district present in the final game.
Bravo-69
- There's unused extracop dialog mentioning a unit known as "Bravo-69". They appear to be some sort of supervisor.
"Super Pursuit" units (10-34):
There's request and response lines for a "Super Pursuit" unit to be added to the pursuit. I believe it may have been an early name for the Corvettes that join at condition 5 and above.
- The fact that there's voice lines requesting them suggests that they would've originally been a specialized unit instead of entirely replacing patrol cars at later heat levels.
- There's unused extracop dialog indicating that they are super pursuit units. Some of these lines are recycled as "backup enroute" dialog.
- Strangely enough, dispatch will sometimes refer to them as "Zulu" units, despite the fact that C6 cops using the callsign "X-Ray" when they join the pursuit. Edit: "Zulu" callsigns are present in the PS2 demo. They appear to be replaced entirely by "X-Ray" in the final version. It's possible that Cross's callsign is an abbreviation of "Zulu-51".