G.711

user_4075791 · Created Dec 23, 2020 02:48:16

Hi friend
G.711, also known as Pulse Code Modulation (PCM), is a commonly used waveform codec. G.711 uses a sampling rate of 8,000 samples per second. Non-uniform quantization (logarithmic) with 8 bits is used to represent each sample, resulting in a 64 kbit/s bit rate. G.711 defines two main compression algorithms, the µ-law algorithm (used in North America & Japan) and A-law algorithm (used in Europe and the rest of the world). A-law encoding takes a 13-bit signed linear audio sample as input. μ-law encoding takes a 15-bit signed linear audio sample as input.

G.711 is simple, and provides short delay and high audio quality. G.711 has high data rate and is sensitive to errors on channels.

The UMG8900 supports G.711, A/μ conversion, and interworking with the PSTN.
Thanks you.

stephen.xu · Created Dec 23, 2020 02:47:28

Hi, lan

Please kindly wait for a minute.

user_4075791 · Created Dec 23, 2020 02:48:16

Hi friend
G.711, also known as Pulse Code Modulation (PCM), is a commonly used waveform codec. G.711 uses a sampling rate of 8,000 samples per second. Non-uniform quantization (logarithmic) with 8 bits is used to represent each sample, resulting in a 64 kbit/s bit rate. G.711 defines two main compression algorithms, the µ-law algorithm (used in North America & Japan) and A-law algorithm (used in Europe and the rest of the world). A-law encoding takes a 13-bit signed linear audio sample as input. μ-law encoding takes a 15-bit signed linear audio sample as input.

G.711 is simple, and provides short delay and high audio quality. G.711 has high data rate and is sensitive to errors on channels.

The UMG8900 supports G.711, A/μ conversion, and interworking with the PSTN.
Thanks you.

G.711

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G.711

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