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If you are looking for a conference microphone discussion system (also known as a one-touch microphone, discussion, or conference system) and are not sure where to start, then you've come to the right place. When conveying information to remote or large audiences, using the right equipment is crucial.

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In simple terms, a conference microphone discussion system is an audio device that allows conference participants to hear each other and be heard by others.

Imagine a city council with 20 people sitting around a table, with another 100 audience members watching. For such a group, passing around physical microphones between speakers is impractical as it would slow down the process and potentially cause confusion. This is where conference microphone discussion system come into play.

The advantages of microphone discussion system

Accessibility

These systems make it easier for more speakers to participate in the conference, and allow more participants to track the conference proceedings as passive listeners or through recordings.

Time-saving

Speakers no longer need to constantly pass around individual microphones as each speaker has their own microphone. This eliminates the time wasted in fumbling for the microphone between speakers. Each microphone lights up when activated, so it's clear who is speaking.

Language translation support

For multilingual audiences, conference microphone discussion system is often combined with simultaneous interpretation device. Independent microphones can transmit the audio signals of the entire room directly to the interpreter, ensuring clear translation.

Improved conference flow

The mute, volume, and voting control functions of these systems enable the chairperson to effectively control the conference, identify participants, and issue commands when necessary.

The key terms of microphone discussion system

Many terms are essential for understanding this system.

Chairperson

This is the person who presides over the conference. They can identify speakers, remind them of time limits, and facilitate voting. The chairperson has a special microphone unit called the chairman unit, which includes additional functions such as speaker priority mute.

Delegate

Refers to all attendees of the conference other than the chairperson. Each delegate has their own microphone, called a delegate unit.

Central Control Unit (CCU)

This unit serves as the central control for all individual microphone units. It also mixes microphone audio, allocates translation channels, and supports voting functions. Some central units also have built-in recording capabilities.

Interpretation channel

The language used by each delegate when listening to presentations. When the diversity of the audience requires multiple target languages, multiple interpreters using the same system can be provided.

Simultaneous interpretation

Interpreters listen to live presentations through headphones while simultaneously translating the spoken language into the target language. This is a demanding job that requires a high level of proficiency.

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Things to consider when purchasing a microphone discussion system

Easy to use

These systems are designed to make your conference more efficient, so the equipment must be user-friendly.

Number of participants

It is important to know the number of users to choose the correct number of representative microphone units. Most CCUs can accommodate 80-120 delegate units, so the number of users will affect the number of central control units required, especially in larger group sizes.

Signal quality

Older model systems use analog audio signals, but most modern systems have been digitalized to improve audio quality, reduce weight, and provide more signal processing and recording options.

Location

Your event venue will determine whether you need a wired or wireless system. If you are using infrared interpretation devices, maintaining line of sight between the transmitter and receiver is important as infrared signals cannot penetrate walls.

Advanced features

Conference microphone discussion systems are becoming increasingly advanced and come with special features, so consider whether you need features such as voting and meeting procedure functions, recording capabilities, etc.

The GONSIN conference discussion system combines efficient discussion, advanced digital technology, and flexible configuration to provide you with an excellent conference experience. The system not only achieves an intelligent conference environment but also integrates smoothly with other systems to tailor the best solution for you. Purchasing the GONSIN conference discussion system means not only improving conference efficiency and realizing digital upgrades but also investing in a stable and reliable conference support system. Choose GONSIN to inject new vitality into your conferences and make every discussion a key factor in team success.

Fostering an effective discussion can be challenging in a face-to-face situation and even more so in an online environment. Here are some planning and facilitation strategies to help you to successfully implement online discussions into your own course.

Online discussions can take place in two modes: asynchronous and synchronous.

Asynchronous discussions are where the participants exchange ideas at different times over an extended period ranging from a few days to a few weeks – for example, in a discussion forum in a learning management system such as LEARN.

Synchronous discussions are where the participants exchange ideas at the same time – for example, via chat tools found in apps such as WebEx and Microsoft Teams.

The main advantages of asynchronous online discussions are that students can participate whenever it best suits their schedule and have time to deliberate and develop their thoughts before they post them. Instructors usually find that students feel better prepared for class when they have been able to engage with the course content in advance via an asynchronous online discussion. These discussions also allow instructors to get a preview of how well students are understanding the content.

The main advantage of synchronous online discussion is that it facilitates a faster and perhaps more natural “back and forth” conversation, though probably one in which the contributions are not as fully developed. Synchronous online discussions can also be challenging to moderate, especially if a large number of participants is involved: it becomes difficult to tell who is responding to whom.

This document will primarily focus on asynchronous online discussions.

• Consider how the discussion activity will fit into your course. If you are thinking about integrating an online discussion component into your course, you need to consider the following:
  • How it might affect course content
  • How it might impact your teaching methods
  • How it fits with your teaching philosophy
  • How it might affect the assessment methods.
• Manage the size of discussion groups. If you course has 25 students, then you might be able to have all students participate in a single online discussion group. If your course has 200 students, you’ll likely want to create eight separate discussion groups containing 25 students each – or perhaps twenty groups of ten. Your CTE Faculty Liaison can assist in setting up these groups.
• Plan to assign grades.Assigning grades to online discussions is the biggest predictor of their success. If no grade is assigned, students are less likely to participate. It’s recommended that participation in online discussions counts for 10% to 20% of the course grade; research shows that no additional benefits result when the grade is increased above 20% (deNoyelles, Zydney, & Chen, ). It’s important to give students clear assessment criteria about their participation in online discussions. Provide a rubric with categories such as individual thinking (i.e. explaining your ideas), interactive thinking (i.e. responding to others), and group dynamics (e.g. balanced and consistent participation, conflict management, and so on). Consider using self-assessment strategies such as a participation portfolio, where students submit to you their three best posts for grading, along with their commentary on what makes them their best posts.
• Provide examples. Prior to starting an online discussion group, give students examples of what you consider to be an “A” post, a “B” post, a “C” post, and so on. Explain why each example merits that grade. You can create example posts yourself or you can use actual student posts from a previous course if you get their permission and share them anonymously.
• Provide structure.Providing structure for students leads to better learning (Garrison & Cleveland-Innes, ). Signal start and end dates for discussions, and use the online discussion groups consistently throughout the term. Consider using discussion strategies such as starter-wrapper: a student is assigned the role of “starter” and reads ahead to get the discussion started; another student is the “wrapper” and summarizes the discussion. Alternatively, several students can be assigned the roles of starter and wrapper simultaneously.
• Clarify expectations. Students need clear parameters for discussion posts (i.e., length, frequency, timeliness, due dates). If you want students to have discussed a topic that you’ll be later taking up in class, clearly indicate the deadline by which they must have contributed their posts. You should also clarify expectations around language (e.g. level of formality, use of slang and emoticons, and overall behaviour --  in other words, to communicate in a professional manner.
• Help students understand team dynamics. Prior to starting an online discussion group, consider facilitating an activity to help students understand the dynamics of their team and what their own role in the group will be. If you have TAs assisting with the online discussion, ensure that they model the kinds of interactions you’re aiming for.
• Pose good questions.A good discussion starts with a good discussion question. Avoid questions that read like exam questions. Provide students with a debate prompt. Ask students to express an opinion and back up their position by applying course concepts. Start with an easy discussion topic, then make the questions increasingly challenging and cumulative. Focus on higher-order thinking levels like application, analysis, synthesis, and evaluation. For further ideas, see the article Effective Online Discussion Questions.
• Provide opportunity for everyone to be heard.Encourage reluctant participants and gently rein in dominant participants to make sure everyone has a chance to contribute. Foster a warm environment where students feel they are part of a group. Encourage them to use each other’s first names and allow social chitchat.
• Use your “instructor presence” to motivate and encourage students. One of the most important elements for instructors who use online discussions is instructor presence. You establish instructor presence by posting the discussion questions, directing the groups in the discussions, providing feedback on how the discussion is going, acknowledging especially insightful posts — in other words, by being “present.” Strategies include:
  • asking thought-provoking questions
  • giving and asking for examples;
  • encouraging students to make connections between posts
  • creating “weaving” posts to link other good ideas together to advance the discussion (“V and X make a good point… What do others think?”)

The instructor’s presence helps to keep students focused on the task at hand and helps refine discussions so that they progress past basic information sharing to knowledge construction and, ideally, application and integration of the knowledge. Students who are able to make connections to previous knowledge and experience see the relevance of the material and experience increased motivation. When instructors explicitly recognize and reward this level of learning, they can also encourage further knowledge growth.

• Encourage student ownership of the discussion.Just as in a traditional classroom discussion, students need to be reminded to talk to each other directly, not through you as the instructor. Your own participation should be consistent and prompt but modest. Your presence online should not dominate the discussion; rather, it should foster discussion between students. Let students know that your role as facilitator might become less involved as the term progresses as the students develop their own momentum. If students direct their responses to you, redirect those questions and comments to the group. Rather than providing answers, stimulate further debate by offering ideas and suggesting resources. The goal is for students to feel a sense of ownership over the discussion.
• Provide direct instruction to the students.Direct instruction and feedback to the online discussion groups is sometimes necessary to keep students on track. Doing so can help address misconceptions and ensure that the discussion doesn’t meander into topics that are extraneous to the course. A summarizing final comment can be a helpful way to conclude a discussion. Overall, the instructor’s comments and questions to the groups can be invaluable and can serve as a model for how the discussion should unfold.
• Technical assistance. If you or your students encounter technical issues with the online discussion groups, contact your CTE Liaison or LEARN Help. 

Support

If you would like support applying these tips to your own teaching, CTE staff members are here to help.  View the CTE Support page to find the most relevant staff member to contact. 

References

• Garrison, D. R., & Cleveland-Innes, M. (). Facilitating cognitive presence in online learning: Interaction is not enough. The American journal of distance education, 19(3), 133-148.
• DeNoyelles, A., Zydney, J. M., & Chen, B. (). Strategies for creating a community of inquiry through online asynchronous discussions. Journal of online learning and teaching, 10(1), 153-165.

Resources

• Student Guidelines for Communicating in Online, Professional Contexts. CTE Teaching Tip Sheet.
• Online Discussions: Tips for Students. CTE Teaching Tip.
• Ten Tips for Effective Online Discussions. Educause Review. November 21, .
• Bernstein, A. G., & Isaac, C. (). Critical thinking criteria for evaluating online discussion. International Journal for the Scholarship of Teaching and Learning, 12(2), 11.

This Creative Commons license lets others remix, tweak, and build upon our work non-commercially, as long as they credit us and indicate if changes were made. Use this citation format: Collaborative Online Learning: Fostering Effective Discussions. Centre for Teaching Excellence, University of Waterloo.

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