[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-28 UTC."],[],[],null,["# Transcoder V1 API - Class Google::Cloud::Video::Transcoder::V1::PreprocessingConfig::Audio (v2.2.0)\n\nVersion latestkeyboard_arrow_down\n\n- [2.2.0 (latest)](/ruby/docs/reference/google-cloud-video-transcoder-v1/latest/Google-Cloud-Video-Transcoder-V1-PreprocessingConfig-Audio)\n- [2.1.0](/ruby/docs/reference/google-cloud-video-transcoder-v1/2.1.0/Google-Cloud-Video-Transcoder-V1-PreprocessingConfig-Audio)\n- [2.0.1](/ruby/docs/reference/google-cloud-video-transcoder-v1/2.0.1/Google-Cloud-Video-Transcoder-V1-PreprocessingConfig-Audio)\n- [1.2.0](/ruby/docs/reference/google-cloud-video-transcoder-v1/1.2.0/Google-Cloud-Video-Transcoder-V1-PreprocessingConfig-Audio)\n- [1.1.0](/ruby/docs/reference/google-cloud-video-transcoder-v1/1.1.0/Google-Cloud-Video-Transcoder-V1-PreprocessingConfig-Audio)\n- [1.0.1](/ruby/docs/reference/google-cloud-video-transcoder-v1/1.0.1/Google-Cloud-Video-Transcoder-V1-PreprocessingConfig-Audio)\n- [0.13.0](/ruby/docs/reference/google-cloud-video-transcoder-v1/0.13.0/Google-Cloud-Video-Transcoder-V1-PreprocessingConfig-Audio)\n- [0.12.2](/ruby/docs/reference/google-cloud-video-transcoder-v1/0.12.2/Google-Cloud-Video-Transcoder-V1-PreprocessingConfig-Audio)\n- [0.11.0](/ruby/docs/reference/google-cloud-video-transcoder-v1/0.11.0/Google-Cloud-Video-Transcoder-V1-PreprocessingConfig-Audio)\n- [0.10.0](/ruby/docs/reference/google-cloud-video-transcoder-v1/0.10.0/Google-Cloud-Video-Transcoder-V1-PreprocessingConfig-Audio)\n- [0.9.1](/ruby/docs/reference/google-cloud-video-transcoder-v1/0.9.1/Google-Cloud-Video-Transcoder-V1-PreprocessingConfig-Audio)\n- [0.8.0](/ruby/docs/reference/google-cloud-video-transcoder-v1/0.8.0/Google-Cloud-Video-Transcoder-V1-PreprocessingConfig-Audio)\n- [0.7.0](/ruby/docs/reference/google-cloud-video-transcoder-v1/0.7.0/Google-Cloud-Video-Transcoder-V1-PreprocessingConfig-Audio)\n- [0.6.0](/ruby/docs/reference/google-cloud-video-transcoder-v1/0.6.0/Google-Cloud-Video-Transcoder-V1-PreprocessingConfig-Audio)\n- [0.5.0](/ruby/docs/reference/google-cloud-video-transcoder-v1/0.5.0/Google-Cloud-Video-Transcoder-V1-PreprocessingConfig-Audio)\n- [0.4.0](/ruby/docs/reference/google-cloud-video-transcoder-v1/0.4.0/Google-Cloud-Video-Transcoder-V1-PreprocessingConfig-Audio)\n- [0.3.0](/ruby/docs/reference/google-cloud-video-transcoder-v1/0.3.0/Google-Cloud-Video-Transcoder-V1-PreprocessingConfig-Audio)\n- [0.2.2](/ruby/docs/reference/google-cloud-video-transcoder-v1/0.2.2/Google-Cloud-Video-Transcoder-V1-PreprocessingConfig-Audio) \nReference documentation and code samples for the Transcoder V1 API class Google::Cloud::Video::Transcoder::V1::PreprocessingConfig::Audio.\n\nAudio preprocessing configuration. \n\nInherits\n--------\n\n- Object \n\nExtended By\n-----------\n\n- Google::Protobuf::MessageExts::ClassMethods \n\nIncludes\n--------\n\n- Google::Protobuf::MessageExts\n\nMethods\n-------\n\n### #high_boost\n\n def high_boost() -\u003e ::Boolean\n\n**Returns**\n\n- (::Boolean) --- Enable boosting high frequency components. The default is `false`.\n\n\n **Note:** This field is not supported.\n\n### #high_boost=\n\n def high_boost=(value) -\u003e ::Boolean\n\n**Parameter**\n\n- **value** (::Boolean) --- Enable boosting high frequency components. The default is `false`.\n\n\n**Note:** This field is not supported. \n**Returns**\n\n- (::Boolean) --- Enable boosting high frequency components. The default is `false`.\n\n\n **Note:** This field is not supported.\n\n### #low_boost\n\n def low_boost() -\u003e ::Boolean\n\n**Returns**\n\n- (::Boolean) --- Enable boosting low frequency components. The default is `false`.\n\n\n **Note:** This field is not supported.\n\n### #low_boost=\n\n def low_boost=(value) -\u003e ::Boolean\n\n**Parameter**\n\n- **value** (::Boolean) --- Enable boosting low frequency components. The default is `false`.\n\n\n**Note:** This field is not supported. \n**Returns**\n\n- (::Boolean) --- Enable boosting low frequency components. The default is `false`.\n\n\n **Note:** This field is not supported.\n\n### #lufs\n\n def lufs() -\u003e ::Float\n\n**Returns**\n\n- (::Float) --- Specify audio loudness normalization in loudness units relative to full\n scale (LUFS). Enter a value between -24 and 0 (the default), where:\n\n - -24 is the Advanced Television Systems Committee (ATSC A/85) standard\n - -23 is the EU R128 broadcast standard\n - -19 is the prior standard for online mono audio\n - -18 is the ReplayGain standard\n - -16 is the prior standard for stereo audio\n - -14 is the new online audio standard recommended by Spotify, as well as Amazon Echo\n - 0 disables normalization\n\n### #lufs=\n\n def lufs=(value) -\u003e ::Float\n\n**Parameter**\n\n- **value** (::Float) ---\n\n Specify audio loudness normalization in loudness units relative to full\n scale (LUFS). Enter a value between -24 and 0 (the default), where:\n - -24 is the Advanced Television Systems Committee (ATSC A/85) standard\n - -23 is the EU R128 broadcast standard\n - -19 is the prior standard for online mono audio\n - -18 is the ReplayGain standard\n - -16 is the prior standard for stereo audio\n - -14 is the new online audio standard recommended by Spotify, as well as Amazon Echo\n- 0 disables normalization \n**Returns**\n\n- (::Float) --- Specify audio loudness normalization in loudness units relative to full\n scale (LUFS). Enter a value between -24 and 0 (the default), where:\n\n - -24 is the Advanced Television Systems Committee (ATSC A/85) standard\n - -23 is the EU R128 broadcast standard\n - -19 is the prior standard for online mono audio\n - -18 is the ReplayGain standard\n - -16 is the prior standard for stereo audio\n - -14 is the new online audio standard recommended by Spotify, as well as Amazon Echo\n - 0 disables normalization"]]