標清電視（standard-definition television），又叫標準畫質電視、SDTV，係指解像度達到720x576像素嘅標準，但重未夠叫做高解析度（High Definition）嘅電視系統。呢個定義通常適用喺數碼電視度，特別係指同傳統類比系統有住相同（或近似）解像度嘅播送訊號。而錄影嘅媒體入面以DVD碟片VHS錄影帶，就係相當呢個規格。
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