本文是一篇语言学论文，本研究基于产品发布会议的数据进行了详细分析。本文结合了巴蒂亚在专业语境中的语篇实现模式、吴的互指性分类和机制以及塞尔的言语行为分类，从互指性的角度提出了一个言语行为分析框架。基于这一框架，从文本体裁、职业实践和职业文化三个层面对产品发布演讲进行了严格分析。具体地说，本文通过对言语行为的频率进行定量分析，了解说话人在语篇体裁层面上利用不同的言语行为在不同类型的言语之间产生相互干扰关系的方式。
Chapter One Introduction
1.1 Background of the Research
With the spread of the Internet, the channels for people to communicate have been expanded and professionals can communicate faster and more comprehensively whenever they want with the outside world through the Internet. For companies, business competition is getting more and more competitive, and companies have willingness to do everything possible to increase their exposure, present their good profile to the outside world in order to improve their public image and provide positive effects for the company’s future development. As the economy develops, there are many products provided for consumers to choose and consume on the market. Faced with a variety of products, consumers don’t know to buy which item and always make a purchase decision because of some marketing events or suggestion from friends. As a high-profile business event, the product launch conference carries the functions of informing the outside world of the characteristics of the company’s new products or new services and attracting consumers to buy their products or services to generate profits. As we all know, product launch conferences are events that some related customers would be invited by certain business units at a specific time and in a specific place. During this time, new products or services are introduced to the audience. For the business world, it is new product launch conferences that lay foundation for selling products, contacting and coordinating the relationship with customers, and attracting potential inventors. Hence, it is really important for companies. Each process of the product launch, like greeting guests, presenting products, is really important. However, it is the presentation part that is the most important part in product launch conferences . Because in this process, the host or the guest mainly describes some parameters, details, functions of the product, so that customers can feel the convenience that the product brings to their life. Except the introduction of the products or services, the speakers may always incorporate marketing speech, public speech into the introduction for the intention to increase their own sales, and enhance the brand’s image. Internet can be used by corporations as a medium to allow more people to watch the event. Therefore, more audience can be engaged to know what happens. At the same time, without interruption from others, hosts can introduce their new products or services better and more logically.
