diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 40c30fc8e4..1a45009968 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -1363,7 +1363,7 @@ typedef struct AVCodecContext {
      * A demuxer should set this to what is stored in the field used to identify the codec.
      * If there are multiple such fields in a container then the demuxer should choose the one
      * which maximizes the information about the used codec.
-     * If the codec tag field in a container is larger then 32 bits then the demuxer should
+     * If the codec tag field in a container is larger than 32 bits then the demuxer should
      * remap the longer ID to 32 bits with a table or other structure. Alternatively a new
      * extra_codec_tag + size could be added but for this a clear advantage must be demonstrated
      * first.
diff --git a/libavcodec/dca.c b/libavcodec/dca.c
index 68731c9033..e87a9e3ed4 100644
--- a/libavcodec/dca.c
+++ b/libavcodec/dca.c
@@ -1316,7 +1316,7 @@ static int dca_convert_bitstream(const uint8_t * src, int src_size, uint8_t * ds
     PutBitContext pb;
 
     if ((unsigned)src_size > (unsigned)max_size) {
-//        av_log(NULL, AV_LOG_ERROR, "Input frame size larger then DCA_MAX_FRAME_SIZE!\n");
+//        av_log(NULL, AV_LOG_ERROR, "Input frame size larger than DCA_MAX_FRAME_SIZE!\n");
 //        return -1;
         src_size = max_size;
     }
diff --git a/libavcodec/dsputil.h b/libavcodec/dsputil.h
index 7a28b06fd5..ea135ca1ba 100644
--- a/libavcodec/dsputil.h
+++ b/libavcodec/dsputil.h
@@ -150,7 +150,7 @@ void clear_blocks_c(DCTELEM *blocks);
 
 /* add and put pixel (decoding) */
 // blocksizes for op_pixels_func are 8x4,8x8 16x8 16x16
-//h for op_pixels_func is limited to {width/2, width} but never larger than 16 and never smaller then 4
+//h for op_pixels_func is limited to {width/2, width} but never larger than 16 and never smaller than 4
 typedef void (*op_pixels_func)(uint8_t *block/*align width (8 or 16)*/, const uint8_t *pixels/*align 1*/, int line_size, int h);
 typedef void (*tpel_mc_func)(uint8_t *block/*align width (8 or 16)*/, const uint8_t *pixels/*align 1*/, int line_size, int w, int h);
 typedef void (*qpel_mc_func)(uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride);
@@ -183,7 +183,7 @@ static void a(uint8_t *block, const uint8_t *pixels, int line_size, int h){\
 }
 
 /* motion estimation */
-// h is limited to {width/2, width, 2*width} but never larger than 16 and never smaller then 2
+// h is limited to {width/2, width, 2*width} but never larger than 16 and never smaller than 2
 // although currently h<4 is not used as functions with width <8 are neither used nor implemented
 typedef int (*me_cmp_func)(void /*MpegEncContext*/ *s, uint8_t *blk1/*align width (8 or 16)*/, uint8_t *blk2/*align 1*/, int line_size, int h)/* __attribute__ ((const))*/;
 
diff --git a/libavcodec/get_bits.h b/libavcodec/get_bits.h
index 4136498c71..b592b9a9a5 100644
--- a/libavcodec/get_bits.h
+++ b/libavcodec/get_bits.h
@@ -381,7 +381,7 @@ static inline int check_marker(GetBitContext *s, const char *msg)
 
 /**
  * init GetBitContext.
- * @param buffer bitstream buffer, must be FF_INPUT_BUFFER_PADDING_SIZE bytes larger then the actual read bits
+ * @param buffer bitstream buffer, must be FF_INPUT_BUFFER_PADDING_SIZE bytes larger than the actual read bits
  * because some optimized bitstream readers read 32 or 64 bit at once and could read over the end
  * @param bit_size the size of the buffer in bits
  *
@@ -504,7 +504,7 @@ void free_vlc(VLC *vlc);
 
 
 /**
- * parses a vlc code, faster then get_vlc()
+ * parses a vlc code, faster than get_vlc()
  * @param bits is the number of bits which will be read at once, must be
  *             identical to nb_bits in init_vlc()
  * @param max_depth is the number of times bits bits must be read to completely
diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index b5a1872eb1..f3885626c1 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -1787,7 +1787,7 @@ static av_always_inline void encode_mb(MpegEncContext *s, int motion_x, int moti
 static inline void copy_context_before_encode(MpegEncContext *d, MpegEncContext *s, int type){
     int i;
 
-    memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop?
+    memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster than a loop?
 
     /* mpeg1 */
     d->mb_skip_run= s->mb_skip_run;
@@ -1816,7 +1816,7 @@ static inline void copy_context_after_encode(MpegEncContext *d, MpegEncContext *
     int i;
 
     memcpy(d->mv, s->mv, 2*4*2*sizeof(int));
-    memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop?
+    memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster than a loop?
 
     /* mpeg1 */
     d->mb_skip_run= s->mb_skip_run;
diff --git a/libavcodec/pgssubdec.c b/libavcodec/pgssubdec.c
index 9546c38882..71b8242e70 100644
--- a/libavcodec/pgssubdec.c
+++ b/libavcodec/pgssubdec.c
@@ -198,7 +198,7 @@ static int parse_picture_segment(AVCodecContext *avctx,
 
     /* Make sure the bitmap is not too large */
     if (avctx->width < width || avctx->height < height) {
-        av_log(avctx, AV_LOG_ERROR, "Bitmap dimensions larger then video.\n");
+        av_log(avctx, AV_LOG_ERROR, "Bitmap dimensions larger than video.\n");
         return -1;
     }