Common text-to-speech quotas and limits Quota Unless otherwise specified, the limits aren't adjustable. This section describes text-to-speech quotas and limits per Speech resource. Text-to-speech quotas and limits per resource Max text size when you're using the text parameter in the Models_Create API request Max pronunciation dataset file size for data import Max language dataset file size for data import Max acoustic dataset file size for data import

The limits in this table apply per Speech resource when you create a Custom Speech model. Max number of files per transcription request (when you're using multiple content URLs as input). Note the file size limit from the preceding row. Max input blob size (for example, can contain more than one file in a zip archive). See additional explanations, best practices, and adjustment instructions.Ĭoncurrent request limit - custom endpoint QuotaĬoncurrent request limit - base model endpointġ00 (default value) The rate is adjustable for Standard (S0) resources. For example, if you have 60 concurrent speech-to-text requests and 40 concurrent speech translation requests, you'll reach the limit of 100 concurrent requests. These limits apply to concurrent speech-to-text online transcription requests and speech translation requests combined. You can use online transcription with the Speech SDK or the speech-to-text REST API for short audio. Online transcription and speech translation This section describes speech-to-text quotas and limits per Speech resource. Speech-to-text quotas and limits per resource The quotas and limits for Free (F0) Speech resources aren't adjustable. The following sections provide you with a quick guide to the quotas and limits that apply to the Speech service.įor information about adjustable quotas for Standard (S0) Speech resources, see additional explanations, best practices, and adjustment instructions. It also contains some best practices to avoid request throttling.įor the free (F0) pricing tier, see also the monthly allowances at the pricing page.

The information applies to all pricing tiers of the service. This article contains a quick reference and a detailed description of the quotas and limits for the Speech service in Azure Cognitive Services.

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