1# Multimedia Subsystem Changelog
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3## cl.multimedia.1 APIs setRenderRate and getRenderRate of the AudioRenderer Class in ohos.multimedia.audio Are Deprecated
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5**Access Level**
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7Public API
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9**Reason for Change**
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11The **setRenderRate** and **getRenderRate** APIs are deprecated and replaced by **setSpeed** and **getSpeed**, which provide more comprehensive functions.
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13**Change Impact**
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15The change is not compatible with earlier versions. You are advised to use new APIs.
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17**API Level**
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19setRenderRate(): 8
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21getRenderRate(): 8
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23getRenderRateSync(): 10
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25**Deprecated Since**
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27OpenHarmony SDK 4.1.5.5
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29**Deprecated APIs**
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31In the **AudioRenderer** class:
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33setRenderRate(rate: AudioRendererRate, callback: AsyncCallback\<void>): void;
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35setRenderRate(rate: AudioRendererRate): Promise\<void>;
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37getRenderRate(callback: AsyncCallback\<AudioRendererRate>): void;
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39getRenderRate(): Promise\<AudioRendererRate>;
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41getRenderRateSync(): AudioRendererRate;
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43**Adaptation Guide**
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45Use the new APIs in **AudioRenderer**. The new APIs support the adjustment of the playback speed through a floating point number instead of a fixed multiple.
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47setSpeed(speed: number): void;
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49getSpeed(): number;
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51The deprecated APIs will be retained for five more SDK versions. Make your adaptation plan as required.
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