AES-67 sounds thin and has high pitched noise on E-Dante
Clear-Com has many products that can support AES-67, and this note only applies to the E-Dante card.
When receiving L24 encoded streams over AES67, it is possible for some channels to exhibit digital noise and to have a flatter waveform than expected.
Via Dante card (note the jagged high-end peaks):
Via LAWO R3LAY VSC:
The resolution is to set the E-Dante card’s preferred Sample Rate to match the incoming audio. Find the encoding setting from the SDP, 24 bit in this case:
v=0o=- 53333 0 IN IP4 192.168.9.9s=Some-Audio-Streamt=0 0a=mediaclk:direct=0m=audio 5004 RTP/AVP 96i=RAVENNA Audio-strm0/40,RAVENNA Audio-strm0/41,RAVENNA Audio-strm0/42,RAVENNA Audio-strm0/43,RAVENNA Audio-strm0/44,RAVENNA Audio-strm0/45,RAVENNA Audio-strm0/46,RAVENNA Audio-strm0/47c=IN IP4 239.140.5.6/32a=rtpmap:96 L24/48000/8a=framecount:48a=ptime:1a=recvonly
Then in Dante Controller or Domain Manager, set up the Preferred Encoding card-wide to match PCM 24:
CAN'T FIND YOUR ANSWER? CLICK HERE TO CONTACT SUPPORT
This solution was provided to you by Clear-Com via a question submitted to us by customers like you. If your question wasn’t answered, you need help or you have a recommended solution for our database, please send us an email at support@clearcom.com
The information on this page is owned by Clear-Com and constitutes Clear-Com’s confidential and proprietary information, may be used solely for purposes related to the furtherance of Clear-Com’ business and shall not be disclosed, distributed, copied or disseminated without Clear-Com’s prior written consent. Click Here for Clear-Com's privacy statement.