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CSS provides standard transcoding, top speed codec transcoding, and audio transcoding services, which are billed by the codec, live stream image resolution (size), and transcoding duration. Enabling watermarking or stream mixing may also incur transcoding fees, which are billed by the resolution of the output live streams.

Notes

• Billing mode: pay-as-you-go.
• Billing cycle: daily billing cycle. The fees for a day will be deducted at 10 AM the next day. For users on the monthly billing cycle, this month's transcoding bill will be generated between the 1st and 5th day of the next month.
• Transcoding is disabled by default and can be enabled and configured via the CSS console or through TencentCloud APIs.
• The transcoding duration will be rounded up to the nearest 1 minute for billing.
• If the transcoding service is not used, no fees will be incurred.

Standard Transcoding

Pricing

Note：

For example, if the long side of the image is 1280 and the short side of the image is 480, then the video resolution will be counted as 720p. The side of the image with a greater value is taken to be the long side of the image.

Billing overview

• Billable item: the duration of live transcoding (or the duration of stream mixing or the watermarked live stream if the stream mixing or watermarking feature is enabled).
• Billing rules:
  • The fees are calculated by multiplying the transcoding duration by the codec and resolution on a day and the corresponding unit price.
  • Live transcoding is triggered by stream pulling, and playback will incur standard transcoding fees. Live watermarking is triggered by pushing and live stream mixing is triggered by signaling. Using live watermarking and stream mixing will generate standard transcoding fees, even if the stream is not played back.

Billing formula

Standard transcoding fees = Transcoding duration x Price of the corresponding codec and resolution.

Billing example

If you used the live transcoding and watermarking service on January 1, 2021 where live stream A was transcoded to H.264_720P for 1 hour and live stream B was watermarked at 480p for 30 minutes, then the live transcoding fees you would need to pay on January 2, 2021 would be as follows:
Daily live transcoding fees = 0.0057 (USD/min) × 60 (min) + 0.0028 (USD/min) × 30 (min) = 0.426 USD.

Top Speed Codec Transcoding

Pricing

Billing overview

• Billing rules: the fees are calculated by multiplying the top speed codec transcoding duration on a day and the corresponding unit price.

Billing formula

Top speed codec transcoding fees = Transcoding duration x Price of the corresponding codec and resolution.

Billing example

If you used the top speed codec transcoding service on January 1, 2021, where live stream A was transcoded to a top speed codec output at 720p for 1 hour and live stream B was transcoded to a top speed codec output at 480p for 30 minutes, then the top speed codec transcoding fees you would need to pay on January 2, 2021 would be as follows:
Daily top speed codec transcoding fees = 0.0222 (USD/min) × 60 (min) + 0.0116 (USD/min) × 30 (min) = 1.68 USD.

Note：

If you have a large-scale live streaming business, then a daily billing mode may not meet your needs. Please contact Tencent Cloud sales or submit a ticket to determine the best billing mode for you.

Audio Transcoding

CSS offers an audio transcoding service. The service offers high-quality audio transcoding features that can transcode audio and video content to multiple formats, helping you reduce your adaptation, labor, and hardware costs, provide more effective and reliable outputs for the audiovisual industry, and optimally adapt to your specific business.

Pricing

Billing overview

• Billable item: the audio transcoding duration.
• Billing rules: the fees are calculated by multiplying the audio transcoding duration on a day and the corresponding unit price.

Billing formula

Audio transcoding fees = Unit price × Transcoding duration.

Billing example

If you used the audio transcoding service for 5 hours on February 1, 2021, then the live audio transcoding fees you would need to pay on February 2, 2021 would be as follows:
Daily audio transcoding fees = 0.00099 (USD/min) x 300 (min) = 0.297 USD.

Note：

• New billing rules for the audio transcoding feature took effect on February 1, 2021. All bills since February 2, 2021 have been generated according to the new billing rules.
• Web push uses the WebRTC protocol and the Opus audio codec. If LVB is used for playing back web push in the RTMP, FLV, or HLS formats, then transcoding will be initiated automatically to transcode audio into the AAC format, which will incur audio transcoding fees.