Prestel VCS-MA8C-CW Digital Array Microphone

Nkọwapụta ngwaahịa

• Ụdị igwe okwu: Igwe okwu dijitalụ Array
• Mmetụta: -38 dBFS
• Signal Noise to Ratio: 65 dB(A)
• Nzaghachi ugboro ugboro: 50Hz ~ 16kHz
• Pickup Range: 3m
• Njirimara akpaaka:
  • Automatic Echo Cancellation (AEC): Nkwado
  • Automatic Noise Suppression (ANS): Nkwado
  • Njikwa Nweta akpaaka (AGC): Nkwado
• Ngwa netwọkụ:
  • 1 x UP: Up cascade network interface
  • 1 x DOWN: Down cascade network interface

Ntuziaka ojiji ngwaahịa

Ntinye ngwaahịa

• Mara: Eserese nwụnye bụ naanị maka ntụnye aka. Ihe nkwado ahụ abụghị ọkọlọtọ. Biko rụtụ aka na ngwaahịa n'ezie maka ngwa nrụnye.

Ngwa netwọkụ

• Connect the Microphone to a PC using the USB cable. Connect the SPKOUT audio output to active speakers or power ampndị na -enye ndụ.

Njikọ PoE:

• Connect the Microphone to a terminal using the PoE network cable. Connect the SPKOUT audio output to active speakers or power ampndị na -enye ndụ.

Analog 3.5mm Connection:

• Connect the Microphone to an interactive terminal recording host using the AECOUT and AECIN interfaces.

Ndepụta nkwakọ ihe

Aha	Ọnụọgụ	Aha	Ọnụọgụ
Igwe okwu	1	Njikwa anya (nhọrọ)	1
eriri USB	1	Nkwado mgbakwasa (nhọrọ)	1
Igwe okwu ọdịyo	1	Ntuziaka mmalite ngwa ngwa	1
Igwe netwọkụ	1	-	-

Ọdịdị na Interface

Mba.	Interface	Nkọwa
1	UP	Up a cascade network interface, cascading up devices through a PoE network cable.
2	USB	USB audio interface maka ijikọ na USB host ma ọ bụ ike igwe okwu.
3	AECREF	Gbanyụọ.
4	N'ala	Down cascade network interface, cascading down devices through a PoE network cable.
5	AECOUT	Audio output interface, sound collected by the local microphone can be output to the terminal or recording host.
6	SPKOUT	Audio output interface (playing remote audio): The audio signal sent from the remote classroom can be output to the local speaker for playback.

Njirimara ngwaahịa

Igwe okwu n'usoro dijitalụ, ntụtụ olu ogologo

• High SNR ring microphone array design, clear pickup from a long distance. Let the speaker move around more freely in the room and get rid of the constraints. Blind Beamforming, Automatic Alignment to Speaker.
• Ntugharị kpuru ìsì, nhazi nke ọma, gburugburu ebe ụda ụda na-agbanwe agbanwe nwere ike nweta nkwalite olu yana ikike mgbochi nnyonye anya ka mma.

Algorithms Smart Audio, ụda eke doro anya

• Built-in powerful audio processing unit, ultra-low signal processing delay; Adaptive fast convergence algorithm, voice intelligent tracking, intelligent noise reduction, echo cancellation, automatic gain, de-reverberation, and other advanced technologies, double-talk without suppression, you can easily listen in noisy environments. For ordinary users, there is no need for professional tuning, and it can be used for regular conference applications when it is turned on.
• For enthusiast users, you can also open the EQ interface and enter the professional tuner mode for personalized high-end tuning.

PoE Cascade, Ọbụlagodi mkpuchi nke iburu ọnụ ụlọ ọgbakọ

• Flexible setting of master and slave devices, supporting up to 6 microphone PoE cascade, distributed pickup and interaction, evenly covering medium and large conference room spaces.

Ọkọlọtọ Interface, nkwụnye na Play

• Equipped with standard USB and 3.5mm audio interfaces, the device is plug-and-play and can meet the dual-mode application of digital and analog audio.
• Hoisting/Wall/Ceiling Mounting, Simple and Flexible Deployment Support: hoisting, wall, ceiling mounting, flexible and fast deployment, and reducing operation and maintenance costs.

Nkọwapụta ngwaahịa

Njirimara ọdịyo
Ụdị igwe okwu	Igwe okwu omnidirectional
Igwe okwu n'usoro	Built-in 6 mics to form a ring array microphone, 360° omnidirectional pickup
Mmetụta	-38 dBFS
Signgbaàmà-na-Noise ruru	65 dB(A)
Nzaghachi ugboro ugboro	50Hz ~ 16kHz
Nnuru Range	3m
Nkagbu Echo akpaaka (AEC)	Nkwado
Mkpọtụ mkpọtụ akpaaka (ANS)	Nkwado
Njikwa uru akpaaka (AGC)	Nkwado
Akụrụngwa Ọnụ ụzọ
Nweta netwok	1 x UP: Up cascade network interface
	1 x DOWN: Down cascade network interface
USB Interface	1 x USB: interface ọdịyo USB
Interface ọdịyo	1 x AECOUT: 3.5mm audio output interface
	1 x SPKOUT: 3.5mm audio output interface
Nkọwapụta izugbe
Ụdị Cascade	PoE netwọk interface
Ịnye ọkụ	Otu igwe okwu USB/cascade PoE ike ọkọnọ
Akụkụ	Φ170mm x H 40mm
Nha ịbụ	Ihe dịka 0.4kg

• Mara: Nkọwapụta ngwaahịa nwere ike ịgbanwe na-enweghị ọkwa.

Ntinye ngwaahịa

• Mara: Eserese nwụnye bụ naanị maka ntụnye aka. Ihe nkwado ahụ abụghị ọkọlọtọ. Biko rụtụ aka na ngwaahịa n'ezie maka ngwa nrụnye.

Ngwa netwọkụ

Otu ọnọdụ

• Njikọ USB
• Njikọ PoE
• Analog 3.5mm njikọ

Ụdị Cascade

• Njikọ PoE
• Njikọ USB
• Analog 3.5mm njikọ

Ọnọdụ ngwa

• Mara: Eserese ahụ bụ naanị maka ntụnye aka. Biko rụtụ aka na ọnọdụ ngwa maka akụrụngwa na nrụnye.

Scenario Installation Classroom

• For classroom installation, please refer to the figure below. The USB interface is used as the power supply port of the microphone, and can be connected to the socket or adapter with a USB interface.
• Ike ọkọnọ voltage is DC 5V. The SPKOUT audio output interface is output to active speakers or power amplifiers through a 3.5mm audio cable.
• It is recommended to use low-latency active speakers first, and the speaker experience will be better.

Ntinye klaasị

Ntinye igwe okwu

1. Ogologo nwụnye: In theory, the closer the microphone is to the speaker, the better, but considering that it is too low, there may be a risk of students accidentally reaching out and hitting the speaker, causing damage or falling. principle, while considering security and flexible processing.
2. Installation Method and Location: It is hoisted with a boom, and the position near the podium is centered horizontally, and the microphone disk facing the podium area, focusing on picking up the teacher’s lecture sound in the podium area.

Ntinye okwu okwu

1. Ogologo nwụnye: The recommended height from the ground is 2.0m-2.6m.
2. Installation Method and Location: It is wall-mounted with brackets. It is recommended to install it in the middle and front of the walls on both sides of the classroom.

Ntinye oghere 

• Enwere ike itinye oghere oghere nhọrọ nwere oghere USB n'akụkụ igwe okwu maka ịnweta igwe okwu na ọkà okwu dị mfe. Enwere ike ịkwado ya site na nkwụnye USB ma ọ bụ jiri ngwaọrụ nwere interface USB ozugbo (TV ma ọ bụ nnukwu ngosi, wdg).
• Mgbe ejikọrọ igwe okwu na ọkà okwu na otu plọg mgbidi maka ọkụ ọkụ, igwe okwu na ọkà okwu kwesịrị ịgbanwuo ma ọ bụ gbanyụọ n'otu oge.

Gbanwee nwụnye

• Ị nwere ike ịhọrọ otu panel mgba ọkụ, arụnyere n'akụkụ ọnụ ụzọ ma ọ bụ bọọdụ, nke nwere akara, dị mfe maka ndị nkuzi imeghe ma mechie.

Nsogbu na Ngwọta

1. Howling appears at startup
   • Maka examplee, ọ bụ ihe dị mma ka igwe okwu na-afụ ntakịrị mgbe ọ ka malitere. Mgbe ngwaọrụ ahụ ka malitere, ọ kwesịrị ịmụta ime mgbanwe na gburugburu ebe ụda ụda dị ndụ, ọ ga-akwụsịkwa na-akpaghị aka mgbe amụtachara ya.
2. iti mkpu na-adịgide adịgide
   • Maka example, when the USB is connected to the computer, confirm whether the listening function is turned on, and check whether the audio input and output wiring are looped back.
3. Ntugharị ụda ahụ edoghị anya
   • First, check whether the room is too small and the reverberation is too large, and then check the settings of the power amplifier or speaker EQ to see if the low-frequency part is adjusted too much.

FAQ

Can I use the microphone without connecting it to a PC?

Yes, you can use the microphone in standalone mode by connecting it to an audio output device using the provided cables.

Gịnị bụ akwadoro ike ọkọnọ voltage maka igwe okwu?

Ike ọkọnọ akwadoro voltage is DC 5V when using the USB interface for power.

How can I improve the speaker experience when using active speakers?

It is recommended to use low-latency active speakers for a better speaker experience.

Akwụkwọ / akụrụngwa

Prestel VCS-MA8C-CW Digital Array Microphone [pdf] Ntuziaka onye ọrụ VCS-MA8C-CW Digital Array Microphone, VCS-MA8C-CW, Digital Array Microphone, Array Microphone, Microphone

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