ZipL-Dialog: Memory-Efficient Long-Form Spoken Dialog Synthesis via Latent Flow Matching

Target Dialog to Synthesize: [S1] Sun-set hotel. May I help you? [S2] Yes, I have booked a room for 24th. It’s a double room. [S1] Hold on, please. Let me check it for you. Yes, you’re right. You will keep it for 3 days. [S2] Well, now I want to change the date from 24th to 28th. [S1] OK, that shall be arranged.

Target Dialog to Synthesize: [S1] Why’d you pull me over? [S2] Are you aware that you drove through a red light? [S1] I ran a red light? [S2] Yes, you did. [S1] I apologize, but I didn’t realize that I did. [S2] Weren’t you taught that yellow means slow down, not speed up? [S1] I did learn that. [S2] So, then why did you speed up? [S1] I don’t know what to tell you. [S2] I’m going to have to write you a ticket. [S1] I understand. [S2] Here you go. Don’t do that again.

Target Dialog to Synthesize: [S1] Hey man, you wanna buy some weed? [S2] Some what? [S1] Weed! You know? Pot, Ganja, Mary Jane some chronic! [S2] Oh, umm, no thanks. [S1] I also have blow if you prefer to do a few lines. [S2] No, I am ok, really. [S1] Come on man! I even got dope and acid! Try some! [S2] Do you really have all of these drugs? Where do you get them from? [S1] I got my connections! Just tell me what you want and I’ll even give you one ounce for free. [S2] Sounds good! Let’s see, I want. [S1] Yeah? [S2] I want you to put your hands behind your head! You are under arrest!

Target Dialogue to Synthesize: [S1] Excuse me. I have an appointment with Mr. Li at nine. May I come in? [S2] Yes, come in please. I am Mr. Li. You must be My Liu, right? [S1] Yes, I am My Liu. Thanks. [S2] I'd like to start this interview with some questions. Why do you think you are qualified for this position? [S1] According to your advertisement, you want an experienced software engineer. I think my background meets the requirement of this position. [S2] Then tell me something about your background. [S1] My major was computer science when I was at college, and I am quite familiar with Visual C + + and Java language. [S2] Well, what do you think about the development in computers? [S1] The developments in software are going ahead very quickly and more and more problems are resolved by software. In some regions, the hardware is completely replaced by software. So I think the software industry has a great future. [S2] Have you ever designed any programs concerning network? [S1] Yes, I have designed some programs for the network with Visual C + + and I have passed the test for programmers - MUSE. [S2] Have you got anything to ask me? [S1] Yes, can you tell me what's my responsibility in this position? [S2] Yes, of course. You would be responsible for the development of software products. [S1] I see. This is my advantage. [S2] Good. Have you got any other questions? [S1] No. [S2] Ok, I will contact you in a week. See you. [S1] Thank you, bye-bye.

Target Dialog to Synthesize: [S1] I'm a big bookworm. [S2] Yeah, I have a few books- [S1] Yeah. [S2] ... that I've been trying to pick up, but, um, haven't had the time yet. But, um, I think I'll get into it at some point this summer. [S1] Uh, what are the titles? [S2] Oh, um, okay, well, one of them, it's, um, it's the, um, biography of, uh, Alexander Hamilton. I bought the book- [S1] Oh. [S2] ... when, when Hamilton first came out.

Target Dialog to Synthesize: [S1] Yeah, well, what were, what were you gonna say? 'Cause I was just gonna change subject. [S2] Oh, well, I, I was just going to ask you, um, have you ever encountered any signs that you missed or any hints, like I did? [S1] Oh, not that I know of. Well, okay, for my life, oh my God, a sob story type, I'm just kidding. But, um, it's, it's always, um, uh, at least I, I have, I haven't known anyone to be interested, or like, if they did, they were, like, too subtle about it, you know? 'Cause, uh, I'm still on the, like, um, Yeah, like, uh, I mean, there's one person that I think maybe he could've been interested, but honestly, like, we're just, like, really close friends, so I don't know if, I, I don't even know if he was interested, you know? Um, it's just, um, it's just like occasionally, like, the, the vibes are like kinda off, but that's all.

Target Dialog to Synthesize: [S1] I know, it could be worse, but- [S2] They didn't count the pages for you, right? [S1] Yeah, but, meh. What have you spent money on lately? [S2] I actually haven't been spending money on games that much. [S1] Oh, yeah, that's good.

Target Dialog to Synthesize: [S1] Well, what was it, uh, like elementary to middle school, as long as I didn't fail, I was good. [S2] That was, yeah, that's, that was my mindset, uh, throughout high school. If you, if you pass it, uh, and you did your, and you did your best at the last, uh, at the final stretch, you have no shame. There's nothing to be shameful about. [S1] Yeah, but, uh, in high school, I actually started worrying about, like, GPAs and all that. [S2] Oh, yeah. [S1] Yeah, I'm not gonna lie, history, history class was, was a vibe, like.