Audio Encoder Settings

The following sections list the Audio Encoder controls and settings:

Input

Audio Encoder Setting

Default

Description/Values

Input

SDI-1 Ch. 1-2

Select the Audio Input for the encoder.

Basic Parameters

Audio Encoder Setting	Default	Description/Values
Channel Mode	Stereo	Select the number and type of audio channels to encode: Stereo Mono-Left Mono-Right
Bitrate	128 kbps	Select the Audio Bitrate for the encoder: Mono: 12 to 288 kbps Stereo: 14 to 576 kbps
Sample Rate (kHz)	48 kHz	The number of audio samples per second taken from the incoming signal. 48 kHz only.
AAC-LC Algorithm	MPEG-2 ADTS	The audio compression algorithm: MPEG-2 ADTS - Encodes audio using the ISO/IEC 13818-7 MPEG-2 AAC-LC algorithm with an ADTS header. MPEG-4 LOAS/LATM - Encodes audio using the ISO/IEC 14496-3 MPEG-4 AACLC algorithm with a LOAS/LATM header.
Language	n/a	(Optional) To specify the language of the input, start typing in the desired language and select it from the list. The language values are three-letter codes, defined in ISO 639-2 (https://www.loc.gov/standards/iso639-2/php/code_list.php).
Statistics	n/a	Click Statistics icon to view statistics for the encoder. See Audio Encoder Statistics.
Mute/Unmute	n/a	Click the Mute/Unmute icon / to encode silence instead of the selected audio input (for example, this may be used when you do not wish to encode the audio but the decoder being used does not support decoding of video only streams), or to unmute a muted encoder.
Start/Stop	n/a	Click the Start/Stop / icon to restart a stopped encoder or stop an active encoder.

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