Result Image
Instructions:
After selecting the upload file, click Start Testing and the results will be displayed after processing.
Note:

This method is recommended for use by acoustic professionals. Before experiencing this estimation technology, please prepare a recording on site according to the following requirements:

  1. General Requirements: This method only requires a clear recording from the room to be tested, with the content being the sound of claps of the professionals. Upload the recording to our link to obtain the reverberation time for the 125, 250, 500, 1000, 2000Hz, and 4000Hz octave bands.
  2. Recording Equipment: Please use devices such as a smartphone, voice recorder, or tablet. Before recording, make sure to turn off any noise reduction features on the device (if it has this function). We recommend using the "wav" format for the recording and setting the sampling rate to no less than 16 kHz.
  3. Room Setup: In the room where the test will be conducted, turn off sound sources (including loudspeakers, air conditioners, etc.) and ensure that no other participants make any noise during the recording phase. The room should be relatively quiet, with a low background noise level. The speaker and recording device should be positioned at a pre-selected recording spot. It is recommended that the speaker be at least 1.5 meters away from the recording device, and the recording location should be at least 1 meter away from rigid reflective surfaces such as walls, ceilings, and floors. Multiple recording points can be chosen in the same room, and the final test result can be obtained by averaging the results of all the recordings for a more accurate result.
  4. Recording Process: Press the "Record" button on the recording device, and the recorder (professional) should begin clapping. After each clap, pause for at least 2 seconds before continuing to clap. The total recording duration should be controlled between 10 and 30 seconds. Once the recording is finished, press the stop button and save the file. The recording device can then be moved to the next location to repeat the process and obtain the recording for the next point. Once all the recording files are prepared, they can be uploaded.