Audio profiles for ONVIF cameras

Just like media profiles, audio profiles in ONVIF cameras can be customized to meet your specific surveillance needs. Depending on your scenario — whether it’s for high-quality audio recording, low-bandwidth environments, or enhanced sound clarity — you can configure the audio settings to ensure optimal performance. In this article, we’ll explore several Audio Profile combinations tailored for different use cases, helping you choose the right setup for your system. From clear, detailed audio capture to minimizing bandwidth usage, we've got the ideal profile for your needs.

Profile for high-quality audio recording

When the goal is to achieve high-quality audio recordings, especially for detailed sound capture, this profile should prioritize higher sample rates and more efficient encoding methods. The following setup will provide clear and crisp audio, perfect for environments where audio clarity is crucial (e.g., meetings, surveillance with voice).

• Audio encoding: AAC_LC (efficient encoding with good audio quality).

• Audio sample rate: 48 kHz (standard for high-quality audio, suitable for clear sound reproduction).

Profile for surveillance with minimal bandwidth usage

For surveillance systems where bandwidth is limited, the focus should be on low compression and reduced sample rates to save bandwidth while still capturing usable audio. This profile works well when you're more focused on monitoring basic sounds or when available bandwidth is restricted.

• Audio Encoding: G.711U (low-compression audio suitable for surveillance).

• Audio Sample Rate: 8 kHz (lower sample rate to reduce bandwidth usage).

Profile for real-time monitoring with audio

For real-time monitoring, where you want a balance between clear audio and efficient bandwidth usage, this profile aims to deliver a good listening experience without overwhelming your network. This profile is ideal for monitoring environments where you need to hear conversations or movements with reasonable clarity in real time.

• Audio Encoding: G.711A (good compatibility and standard quality).

• Audio Sample Rate: 16 kHz (higher sample rate for clearer audio than 8 kHz, but still efficient).

Profile for low-quality audio surveillance

.For environments where audio quality is not as critical but you still need basic sound capture, this profile reduces bandwidth usage and is suitable for environments where audio only serves as a secondary surveillance tool. This profile ensures that audio can be captured without taking up much network bandwidth, suitable for background noise or low-priority surveillance.

• Audio Encoding: ADPCM_D (low compression and acceptable quality for background audio).

• Audio Sample Rate: 8 kHz (low sample rate, further optimizing for bandwidth savings).

Profile for enhanced audio quality in controlled environments

For environments where audio quality is crucial (e.g., recording clear speech in a controlled environment like an office), this profile prioritizes both clarity and bandwidth efficiency. This setup is ideal for environments where understanding conversations or recording clear audio is important.

Audio Encoding: AAC_LC (clear audio encoding with high efficiency).

Audio Sample Rate: 44.1 kHz (standard audio quality, typically used for music and clear voice recording).

Profile for intercom or two-way audio systems

For two-way audio systems, such as intercoms, where both sending and receiving audio clearly is essential, this profile focuses on ensuring good communication quality for both directions. This profile ensures clear voice quality during live interactions, ideal for environments where two-way communication is essential.

• Audio Encoding: G.711A (standard for voice communication).

• Audio Sample Rate: 16 kHz (provides clarity for two-way communication).