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Question 1. Which Tesira software window provides quick access to the block palette for inserting DSP blocks? A) Signal Flow Window B) Docking Bar C) Block Library D) Console Window Answer: C Explanation: The Block Library (also called the Block Palette) lists all available DSP blocks and lets you drag them into the signal flow. Question 2. When initializing a Tesira system, what is the purpose of the “Compile” button? A) To upload firmware to devices B) To convert the graphical design into executable code for the hardware C) To reset all device settings to factory defaults D) To generate a PDF of the system layout Answer: B Explanation: Compiling translates the graphical configuration into a binary file that the Tesira hardware can execute. Question 3. In Tesira, which block type is used to combine multiple audio sources into a single output based on predefined rules? A) Matrix Mixer B) Automixer C) Equalizer D) Gate Answer: B
Explanation: An Automixer automatically mixes multiple inputs, applying rules such as priority or voice activity detection. Question 4. What is the primary function of a crossover filter in a loudspeaker system? A) To boost low frequencies B) To split the audio spectrum into separate bands for different drivers C) To reduce background noise D) To compress dynamic range Answer: B Explanation: Crossovers divide the audio signal into high, mid, and low frequency bands so each driver receives the appropriate range. Question 5. Which dynamics processor is best suited for preventing audio clipping in a conference room speaker feed? A) Expander B) Compressor C) Limiter D) Gate Answer: C Explanation: A limiter sets a hard ceiling on the signal level, preventing peaks from exceeding a set threshold and causing clipping. Question 6. In Tesira routing, what does a “patch point” represent? A) A physical audio cable B) A virtual connection between two blocks C) A hardware I/O port configuration D) A preset that stores a routing layout
B) Macro C) Partition D) Logic Block Answer: B Explanation: A Macro is a collection of commands executed sequentially when triggered. Question 10. In Tesira, what is a “partition” used for? A) Dividing the network into VLANs B) Separating audio processing into independent sections that can run on different DSP cores or devices C) Grouping I/O ports for labeling D) Defining user access levels Answer: B Explanation: Partitions isolate signal flow sections, allowing them to be processed on separate hardware or cores. Question 11. Biamp Launch’s primary benefit is: A) Manual fine‑tuning of every speaker’s delay B) Automatic measurement and optimization of speaker levels, delays, and EQ based on room acoustics C) Providing a cloud‑based backup of Tesira files D) Enabling remote firmware updates over the internet Answer: B Explanation: Launch automates the acoustic measurement process and generates a calibrated system configuration.
Question 12. After a successful Launch tuning session, the “Post‑Tuning Report Card” shows a “Coverage” score of 92%. What does this indicate? A) 92% of the room’s surface area meets the target SPL distribution B) 92% of the speakers are functioning correctly C) 92% of the audio channels are active D) 92% of the system’s firmware is up‑to‑date Answer: A Explanation: The coverage score reflects how well the speaker array provides uniform SPL across the listening area. Question 13. Which microphone technology is employed by Biamp Parlé Beamtracking microphones to follow a speaker’s movement? A) Cardioid pattern with automatic gain control B) Shotgun array with motorized steering C) Multi‑element beamforming array with digital signal processing D) Ribbon microphone with variable diaphragm tension Answer: C Explanation: Parlé uses a multi‑element array and DSP to create a steerable beam that tracks the active speaker. Question 14. When configuring a Parlé Beamtracking microphone, the “Sensitivity” parameter should be set to: A) The highest possible value for maximum pickup B) A level that matches the expected speech SPL to avoid clipping while maintaining adequate gain C) Zero, as the device automatically adjusts sensitivity D) The same value as the room’s reverberation time (RT60) Answer: B
Explanation: Power handling and dispersion determine coverage and SPL in large spaces. Question 18. When deploying loudspeakers, the “‑ 3 dB point” of a speaker’s polar pattern indicates: A) The frequency at which the speaker’s output drops by 3 dB B) The angle where SPL is 3 dB lower than on‑axis, defining coverage width C) The maximum SPL the speaker can produce before distortion D) The distance at which the SPL is reduced by 3 dB Answer: B Explanation: The – 3 dB point marks the edge of the main lobe where the level is 3 dB down from the on‑axis value. Question 19. In a Vocia paging system, what is the purpose of “zones”? A) To group speakers that share the same power source B) To define independent audio areas that can be addressed separately for paging or evacuation messages C) To segment the network into VLANs for security D) To allocate bandwidth for video streams Answer: B Explanation: Zones allow selective activation of speakers in specific areas of a building. Question 20. When configuring an emergency evacuation message in Vocia, which setting ensures the message overrides any ongoing audio? A) Fade‑In Time B) Priority Level set to “Emergency” C) Loop Count = 1 D) Volume Offset = – 10 dB
Answer: B Explanation: Setting the priority to Emergency forces the message to pre‑empt all other audio. Question 21. Sound masking systems aim to improve speech privacy by: A) Raising the overall SPL to mask conversations B) Adding a broadband, low‑level “masking noise” that raises the ambient level just enough to reduce intelligibility of nearby speech C) Using directional speakers to block sound paths D) Installing acoustic panels that absorb speech frequencies Answer: B Explanation: Masking noise introduces a steady background that makes it harder to understand spoken words without being overly intrusive. Question 22. In Cambridge/QtPro sound masking, the “masking level” is typically set to: A) 3–6 dB above the ambient noise floor B) 10–15 dB below the ambient noise floor C) Equal to the ambient noise floor D) 20 dB above the ambient noise floor Answer: A Explanation: The masking level is usually a few decibels above ambient to be effective while staying comfortable. Question 23. Which network topology is recommended for AVB/TSN video streams in a TesiraLUX installation? A) Star topology with unmanaged switches B) Ring topology using AVB‑enabled switches and redundant paths C) Bus topology with coaxial cable
Answer: B Explanation: The Text Protocol uses numeric identifiers to target specific channels; “/mute 1” mutes channel 1. Question 27. When troubleshooting a missing audio signal in Tesira, the first step should be to: A) Reboot the entire system B) Verify the physical cable connections and input gain settings C) Update the firmware on all devices D) Replace the DSP block with a new one Answer: B Explanation: Physical layer issues are the most common cause of missing audio and should be checked first. Question 28. If a TesiraLUX video stream shows “Jitter” warnings in the system monitor, the most likely cause is: A) Insufficient CPU processing power on the host PC B) Incompatible video format (e.g., interlaced instead of progressive) C) Network congestion or insufficient AVB bandwidth allocation D) Faulty speaker wiring Answer: C Explanation: Jitter in AVB video is usually due to network bandwidth or QoS problems. Question 29. Which compression format does TesiraLUX use for low‑latency, visually lossless video transport? A) H. B) M‑JPEG
C) HEVC (H.265)
D) VP
Answer: B Explanation: TesiraLUX employs M‑JPEG because it provides low latency and minimal visual artifacts. Question 30. When creating a new video partition in Tesira, what is the effect of assigning it to a separate “AVB Stream ID”? A) The video will be transmitted on a different VLAN B) The video can be routed independently of audio streams, allowing separate timing domains C) The video will be compressed using a different codec D) The partition will be disabled for audio processing Answer: B Explanation: Different Stream IDs let audio and video be managed independently on the AVB network. Question 31. In Tesira, a “Gate” processor is primarily used to: A) Increase low‑frequency energy B) Reduce background noise by attenuating signals below a set threshold C) Limit the maximum output level D) Apply a digital delay to the signal Answer: B Explanation: A Gate passes audio only when it exceeds a threshold, suppressing low‑level noise. Question 32. Which parameter in a Tesira Equalizer block determines the width of the affected frequency band? A) Gain
B) Delay C) Expander D) Limiter Answer: B Explanation: The Delay block adds a programmable time offset to the signal. Question 36. Which of the following best describes the function of a “Reference Mic” in an AEC configuration? A) Captures ambient noise for noise reduction B) Provides a clean copy of the far‑end audio that the algorithm can subtract from the near‑end mic signal C) Measures room reverberation time D) Acts as a backup microphone in case the primary fails Answer: B Explanation: The reference mic captures the speaker output so the AEC can identify and cancel echo. Question 37. During a Launch tuning session, the “Target SPL” for a conference room is set to 85 dB. What does this value represent? A) The maximum SPL the speakers can produce without distortion B) The desired average sound pressure level at the listener’s position for optimal intelligibility C) The SPL of background noise in the room D) The SPL of the system’s test tone Answer: B Explanation: Target SPL is the calibrated level the system aims to achieve at the primary listening area.
Question 38. Which Biamp device is specifically designed to provide beam‑tracking microphone functionality for large venues? A) VMR‑A B) Parlé 360 Beamtracking Microphone C) T‑ 800 DSP D) L‑ 1 Loudspeaker Answer: B Explanation: The Parlé 360 is Biamp’s beam‑tracking mic solution. Question 39. In a sound masking deployment, the term “masking spectrum” refers to: A) The frequency response of the masking noise, typically broadband and shaped to match speech frequencies B) The list of zones where masking is active C) The measurement of ambient noise across the room D) The set of equalizer settings applied to the masking emitters Answer: A Explanation: Masking spectrum describes the broadband noise profile used to mask speech. Question 40. When configuring Tesira for VoIP, which protocol is used for media transport? A) RTP (Real‑time Transport Protocol) B) FTP C) HTTP D) SNMP Answer: A Explanation: RTP carries the audio payload in VoIP calls. Question 41. A “Preset” in Tesira is used to:
Question 44. When a Tesira device reports “CRC Error” on a network interface, the most likely cause is: A) Incorrect audio sample rate configuration B) Corrupted data packets due to cabling issues or interference C) Overloaded CPU on the device D) Misconfigured DSP block parameters Answer: B Explanation: CRC errors indicate data integrity problems, often caused by bad cabling. Question 45. The “Gain” parameter on a Tesira Input block should be set to: A) The maximum value to ensure the strongest signal B) A level that brings the incoming signal to the desired operating point without clipping C) Zero, because gain is applied later in the chain D) The same value as the output gain for symmetry Answer: B Explanation: Proper gain staging ensures optimal signal‑to‑noise ratio while avoiding distortion. Question 46. Which of the following is a key advantage of using M‑JPEG compression for live video in TesiraLUX? A) Extremely low bandwidth usage compared to uncompressed video B) No latency introduced by encoding/decoding, preserving real‑time performance C) Ability to stream over Wi‑Fi without packet loss D) Automatic HDR support Answer: B Explanation: M‑JPEG compresses each frame individually, keeping latency minimal. Question 47. In a Tesira system, a “Logic Block” can be used to:
A) Perform audio filtering B) Execute conditional actions based on input states, such as muting a channel when a sensor is triggered C) Generate video streams D) Manage firmware updates Answer: B Explanation: Logic blocks enable conditional processing and control actions. Question 48. When integrating a third‑party control system via Text Protocol, which command would you use to set the volume of channel 5 to – 12 dB? A) /setvol 5 - 12 B) /vol 5 - 12 C) /gain 5 - 12 D) /level 5 - 12 Answer: B Explanation: The standard Text Protocol syntax for volume is “/vol ”. Question 49. During troubleshooting, the “System Log” in Tesira provides: A) Real‑time audio waveform data B) A chronological record of events, errors, and warnings that can help pinpoint issues C) A list of all connected network devices D) Firmware version numbers only Answer: B Explanation: The log captures system messages useful for diagnostics. Question 50. What is the primary purpose of a “SageVue” server in a Biamp installation? A) To provide wireless audio streaming
B) Deletes all routing connections in the matrix C) Sets the system sample rate to zero D) Powers down the hardware devices Answer: A Explanation: “Mute All” silences every input while preserving the underlying configuration. Question 54. A “VLAN” used for AV traffic typically uses which IEEE 802.1Q tag range to separate it from data traffic? A) 1– 100 B) 101– 200 C) 2–4094 (any unused ID) but commonly 10, 20, or 30 for AV D) 0 (no tagging) Answer: C Explanation: VLAN IDs can be any value from 1‑4094; AV installations often pick low numbers for simplicity. Question 55. In a Tesira audio system, the “Limiter” block differs from a “Compressor” primarily because: A) The limiter only reduces gain when the signal exceeds a fixed ceiling, whereas a compressor reduces gain over a range of thresholds B) The limiter adds delay to the signal C) The limiter expands quiet sounds D) The limiter only works on digital signals, while compressors work on analog Answer: A Explanation: Limiters enforce a hard ceiling; compressors provide a ratio-based reduction.
Question 56. Which parameter in a Tesira “Gate” determines how quickly the gate opens after the signal exceeds the threshold? A) Release B) Attack C) Hold D) Ratio Answer: B Explanation: Attack time controls how fast the gate transitions from closed to open. Question 57. When deploying Biamp Launch, the “FFT Size” setting influences: A) The resolution of the frequency analysis used for EQ calculation – larger FFT size yields finer resolution but longer measurement time B) The maximum SPL the system can produce C) The number of microphones that can be calibrated simultaneously D) The video resolution of the system monitor Answer: A Explanation: FFT size determines frequency bin width in the acoustic analysis. Question 58. The “Beamwidth” of a Parlé beam‑tracking microphone is typically set to: A) 10° for narrow focus B) 30°–45° to balance coverage and gain C) 90° for omnidirectional pickup D) 180° to capture the entire room Answer: B Explanation: Parlé microphones use a moderate beamwidth to track speakers while maintaining coverage.
