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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