Axis Communications 241SA Audio Axis 241QA only, Audio volume too low/high, Poor audio quality

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AXIS 241QA/AXIS 241SA - Troubleshooting 65

 

Poor rendering of MPEG-4

Color depth set incorrectly on clients. Set to 16-bit or 32-bit color.

 

images.

If text overlays are blurred, or if there are other rendering problems, you may need to enable

 

 

Advanced Video Rendering. This is done on the MPEG-4 tab in the AMC control panel applet.

 

 

Ensure that your graphics card is using the latest device driver. The latest drivers can usually be

 

 

downloaded from the manufacturer's web site.

 

Color saturation is different in

Modify the settings for your graphics adapter. Please see the adapter's documentation for more

 

MPEG-4 and Motion JPEG.

information.

No

audio (AXIS 241QA only)

 

 

 

 

 

Incorrect setup.

Check that the sound card in the PC and the connections to the speaker and microphone are

 

 

working. Ensure that the mute button is not pressed and the volume settings are correct.

 

 

Ensure that full-duplex is selected if you want to have two way audio communication.

 

Post Content Length in proxy

The Post Content Length set in the proxy server is too low. Set the value of the Post Content

 

server.

Length in your proxy server to 1MB or more. You may need to contact your system administra-

 

 

tor to do this.

 

Full duplex not supported.

Sound card does not support full-duplex. For information on how to check if your sound card

 

 

supports full-duplex, please visit http://support.microsoft.com

 

Firewall or router settings.

AXIS 241QA works locally, but not externally. Check the Internet firewall settings with your

 

 

system administrator or reconfigure the default router settings.

 

DC power not enabled for micro-

If the microphone has a built-in amplifier then DC power must be enabled on the Audio Set-

 

phone.

tings page.

Audio volume too low/high

 

 

 

 

 

Volume settings incorrect.

The volume of the microphone or speaker connected to the AXIS 241QA/AXIS 241SA is either

 

 

too high or too low. Change the volume for the speaker or microphone in the Live View page.

 

Input and output gain set incor-

Change the input gain for the microphone and the output gain for the speaker to adjust the

 

rectly.

audio levels on the Audio Settings page.

Poor audio quality

 

 

 

 

 

Too many users.

Too many users/clients listening to audio from the AXIS 241QA/AXIS 241SA may adversely

 

 

affect the sound quality.

 

User too close to microphone.

Enable the speech filter in Audio > Advanced Settings.

 

Feedback from speaker.

Enable the echo cancellation filter in Audio > Advanced Settings.

 

Background noise.

Adjust the noise cancellation threshold and attenuation to reduce background noise levels in

 

 

Audio > Advanced Settings.

 

CPU overloaded.

Reduce the number of listeners and viewers and decrease the image resolution and compres-

 

 

sion.

 

 

 

For additional assistance, please contact your reseller or check the product’s support pages on the Axis Website at www.axis.com/techsup

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Contents User’s Manual About This Document Table of contents Axis video server Overview of the Axis video server Product descriptionFront panel Axis 241QA LED indicatorsNetwork StatusRear panel Switches & connectorsPower Axis 241QA/AXIS 241SA Product description Accessing the video server Using the video serverPlease see the online help for more information Setting the root passwordLive View AMC Audio controls Video stream types Video and audio streamsMotion Jpeg MPEG-4Axis Media Control AMC How to stream MPEG-4MPEG-4 protocols and communication methods RTP+RTSP Other methods of accessing the video streamRTP/RTSP RTP/RTSP/HTTP or RTP/RTSP/HTTPSAxis Vapix API Accessing the audio streamsOther MPEG-4 clients Accessing the Setup tools Configuring the video serverImage appearance Video & image settingsImage settings Advanced Video source settingsOverlay/Mask settings Quad stream settingsMjpeg Overlay/Mask typeOverlay image requirements Upload and use an overlay imageOverlay image limitations Image Formats Image SizeUse a Privacy Mask Enable Audio Audio SettingsAudio Audio ChannelsAudio Input Audio Output Advanced Audio SettingsNoise canceller threshold value Noise canceller attenuation Axis 241QA/AXIS 241SA Audio Layout Live View ConfigUpload Own Web Files Customizing the defaultDefault Video Format Default Live View VideoDefault Viewer Viewer SettingsCheck Show Custom Link Html ExamplesUser-defined Links External Video Sequence ModePan Tilt Zoom Installing PTZ devicesPreset positions PTZ configurationPTZ controls Control panel Using CGI links to control PTZ devicesPTZ control modes Advanced Preset positionsGuard tour PTZ control queue Axis 241QA/AXIS 241SA Pan Tilt Zoom Event servers Event configurationEvent types How to set up a triggered eventTriggered Event Click Add triggered on the Event typesPre-trigger and post-trigger buffers How to set up a scheduled eventScheduled event Click Add scheduled on the Event typesCamera tampering SettingsMotion detection How to configure Motion DetectionObject Size Port statusSecurity System optionsUsers IP Address FilterHttps Stream, IP address filtering must be enabledAxis 241QA/AXIS 241SA System options CA servers Date & timeRadius Services Network Basic TCP/IP settingsIP Address Configuration DNS configuration Network Advanced TCP/IP settingsNTP Configuration Host Name ConfigurationRtsp HttpFTP Socks QoS SettingsQoS Smtp emailRTP / MPEG-4 SnmpSupport MaintenancePorts & devices Configuration Using the Control Button Resetting to the factory default settingsPin Unit connectorsD-Sub connector Pin Function Description I/O terminal connectorCOM ports RS-232 and RS-485 Schematic diagram I/O terminal connectorAxis 241QA/AXIS 241SA Unit connectors Upgrading the firmware TroubleshootingChecking the firmware Emergency recovery procedure Lit Be accessed from a web browserAlarms, etc, to a destination outside the local network No images displayed in the Web interface Video Image ProblemsSnapshot images Only I framesAudio Advanced Settings Audio volume too low/highAudio Axis 241QA only Poor audio qualityModels Technical specificationsVideo access from Web ConnectorsApplications not Optimizing your system General performance considerationsFrame rates MPEG-4 Frame rates Motion JpegBandwidth Glossary Active Speaker a speaker with a built-in power amplifierDe-interlacing See interlacing Compression See Image CompressionFixed iris See Autoiris Encoder See Video encoderHalf-duplex See Full-duplex Megapixel See Pixel Axis 241QA/AXIS 241SA Glossary SSL/TSL Video camera See Network camera and Cctv video camera Identity of the serverAn I-VOP is a complete image frame Action IndexHttp API Http API requests Http port number Http serverRTP 14 Rtsp 14 Video streams 13, 15

241SA specifications

Axis Communications, a leader in network video solutions, offers a diverse range of high-performance cameras designed to meet various security needs. One of its notable models is the Axis 241SA video encoder. This device embodies the company's commitment to providing advanced surveillance technology with cutting-edge features.

The Axis 241SA is an ideal solution for organizations looking to enhance their security infrastructure by integrating analog cameras into a digital network. With its ability to support multiple video formats, this video encoder enables operators to convert traditional analog video signals into digital streams efficiently. The device supports both Motion JPEG and MPEG-4 video compression, providing flexibility in terms of image quality and bandwidth use. Users can easily adjust the settings to maximize storage efficiency and optimize network performance.

One of the standout characteristics of the Axis 241SA is its robust support for Power over Ethernet (PoE). This feature simplifies installation by allowing the device to receive power and transmit video data through a single Ethernet cable, reducing the need for additional power sources and streamlining setup processes. The encoder can accommodate four analog video inputs, allowing multiple cameras to be connected, making it a cost-effective solution for small to medium-sized installations.

Furthermore, the Axis 241SA incorporates advanced security features to safeguard video streams and ensure data integrity. The device supports HTTPS encryption and password protection, preventing unauthorized access to camera feeds and configuration settings. This level of security is crucial in today’s digital landscape where cyber threats are prevalent.

The device also comes equipped with a user-friendly web interface, simplifying the operation and configuration process for users. Compatible with various video management software (VMS) solutions, the Axis 241SA allows for seamless integration into existing security systems, enhancing overall monitoring capabilities.

In summary, the Axis Communications 241SA video encoder is a powerful and versatile tool for transitioning from analog to digital surveillance systems. With its support for multiple video formats, PoE capability, strong security measures, and user-friendly interface, the Axis 241SA meets the demands of modern security environments while providing peace of mind to users. It presents an invaluable asset for businesses and organizations aiming to bolster their security infrastructure without compromising on performance or efficiency.
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